cut-the-knot.org Open in urlscan Pro
107.180.50.227 Public Scan

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URL:
https://cut-the-knot.org/
Submission Tags: analytics-framework
Submission: On April 19 via api (April 19th 2023, 2:35:12 pm UTC) from US — Scanned from DE

Summary HTTP 18 Redirects Links 208 Behaviour Indicators

Summary

This website contacted 3 IPs in 1 countries across 3 domains to perform 18 HTTP transactions. The main IP is 107.180.50.227, located in Ashburn, United States and belongs to AS-26496-GO-DADDY-COM-LLC, US. The main domain is cut-the-knot.org.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on October 12th 2022. Valid for: a year.

This is the only time cut-the-knot.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
16	107.180.50.227 107.180.50.227	26496 (AS-26496-...) (AS-26496-GO-DADDY-COM-LLC)
1 1	152.199.22.244 152.199.22.244	15133 (EDGECAST) (EDGECAST)
1	140.177.18.78 140.177.18.78	3361 (DF-TUKWILA01) (DF-TUKWILA01)
18	3

16 107.180.50.227 (Ashburn, United States)

ASN26496 (AS-26496-GO-DADDY-COM-LLC, US)
PTR: 227.50.180.107.host.secureserver.net

cut-the-knot.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 152.199.22.244 (United States) 1 redirects

ASN15133 (EDGECAST, US)

www.wolframcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 140.177.18.78 (Champaign, United States)

ASN3361 (DF-TUKWILA01, US)
PTR: origin.wolframcdn.com

origin.wolframcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
16	cut-the-knot.org cut-the-knot.org	186 KB
2	wolframcdn.com 1 redirects www.wolframcdn.com — Cisco Umbrella Rank: 180470 origin.wolframcdn.com — Cisco Umbrella Rank: 412386	7 KB
0	jquery.com Failed code.jquery.com Failed
18	3

	Domain	Requested by
16	cut-the-knot.org	cut-the-knot.org
1	origin.wolframcdn.com	cut-the-knot.org
1	www.wolframcdn.com	1 redirects
0	code.jquery.com Failed	cut-the-knot.org
18	4

This site contains links to these domains. Also see Links.

Domain
www.cut-the-knot.org
twitter.com
www.facebook.com
www.amazon.com
medium.com
www.wolfram.com

Subject Issuer	Validity	Valid
cut-the-knot.org Go Daddy Secure Certificate Authority - G2	`2022-10-12` - `2023-11-13`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://cut-the-knot.org/
Frame ID: 7C398117A4E3858CD010FC8BB31DE27D
Requests: 18 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Interactive Mathematics Miscellany <br>and Puzzles

Detected technologies

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

18
Requests

89 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

3
IPs

1
Countries

193 kB
Transfer

412 kB
Size

1
Cookies

208 Outgoing links

These are links going to different origins than the main page.

URL: https://www.cut-the-knot.org/impossible/index.shtml
Title: Things impossible

Search URL Search Domain Scan URL

URL: https://www.cut-the-knot.org/

Search URL Search Domain Scan URL

URL: https://twitter.com/cuttheknotmath
Title: Twitter

Search URL Search Domain Scan URL

URL: https://www.facebook.com/alexander.bogomolny
Title: Facebook

Search URL Search Domain Scan URL

URL: https://www.amazon.com/Cut-Knot-Probability-Alexander-Bogomolny/dp/157955041X

Search URL Search Domain Scan URL

URL: https://medium.com/incerto/maestro-bogomolny-8498f08c0f0c
Title: Nassim Nicholas Taleb's post

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/arithmetic.shtml
Title: Arithmetic

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/recurrence/conversion.shtml
Title: Base Conversion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/divisibility.shtml
Title: Divisibility Criteria

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/EuclidAlg.shtml
Title: Euclid's Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/arithmetic/rapid/index.shtml
Title: Fast Arithmetic Tips

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/water2.shtml#HourGlass
Title: Hour glass timing

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Magic/MagicInSquare.shtml
Title: Magic in Square

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Arithmetic/MakeIdentity/index.shtml
Title: Make an Identity

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/Napier.shtml
Title: Napier Bones

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/Cards.shtml
Title: Number Guessing Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Outline/index.shtml#Arithmetic
Title: Arithmetic Word Problems

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Outline/index.shtml#practice
Title: Online practice

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#arithmetic
Title: And much much more ...

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/games.shtml
Title: Mathematics Games & Puzzles

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/ctk/Water.shtml
Title: Three Jugs Problem

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/SimpleGames/PickLabel.shtml
Title: Box Labels

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/SimpleGames/SoupFish.shtml
Title: Fish Soup game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/ctk/GoatCabbageWolf.shtml
Title: Goat, Cabbage and Wolf

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/recurrence/flavius.shtml
Title: Josephus Flavius' problem

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/MastermindVariant.shtml
Title: Mastermind Variants

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URL: http://www.cut-the-knot.org/proofs/pegsolitaire.shtml
Title: Peg Solitaire

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/recurrence/Scoring.shtml
Title: Scoring

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/SimpleGames/FrogsAndToads.shtml
Title: Toads And Frogs Puzzle

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URL: http://www.cut-the-knot.org/SimpleGames/FrogsAndToads2D.shtml
Title: Toads And Frogs in 2D

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/recurrence/hanoi.shtml
Title: Tower of Hanoi

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/TrominoPuzzle.shtml
Title: Tromino Puzzle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#logic
Title: Logic

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/LewisCarroll/LCGame.shtml
Title: Lewis Carroll's Logic Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/LewisCarroll/VennDiagrams.shtml
Title: Venn Diagrams

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Outline/index.shtml#logic
Title: Logic Word Problems

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#f
Title: Fractals & Chaos

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Magic/MandelCycle.shtml
Title: Color Cycling on Mandelbrot

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/chaos.shtml
Title: Emergence of Chaos

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/PeanoComplete.shtml
Title: All Peano Curves

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/do_you_know/Cantor2.shtml
Title: Cantor sets

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/DotPatterns.shtml
Title: Pascal Triangle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/do_you_know/dimension.shtml
Title: Fractal Curves and Dimension

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/ifs.shtml
Title: Iterated Function Systems

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/MandelbrotIterations.shtml
Title: Iterations in Mandelbrot Set

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/JuliaIndexing.shtml
Title: Julia Sets

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/LogisticModel.shtml
Title: Logistic Model

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/PlaneFillingCurves.shtml
Title: Plane Filling Curves

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Tremas.shtml
Title: Sierpinski Gasket

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/StringFSM.shtml
Title: Toying with Tremas

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#Fallacies
Title: Fallacies

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Fallacies/CurryParadox.shtml
Title: Curry's Paradox

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Delian.shtml
Title: Delian Problem Solved

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Fallacies/FibonacciCheat.shtml
Title: A Faulty Dissection

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Fallacies/LangmanParadox.shtml
Title: Langman's Paradox

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Fallacies/SamLoydSon.shtml
Title: Sam Loyd's Son's Dissection

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Fallacies/GeoFallacy.shtml
Title: Rouse Ball's Fallacy

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#calculus
Title: Calculus

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/StraightLine.shtml
Title: Equations of the Straight Line

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/CubicSpline.shtml
Title: Function, Derivative and Integral

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/LagrangeInterpolation.shtml
Title: Lagrange Interpolation

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/RiemannSums.shtml
Title: Riemann Sums

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/MVT.shtml
Title: Rolle's and Mean Value

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Calculus/TaylorSeries.shtml
Title: Taylor Series for Cosine

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#games
Title: Combinatorial Games

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Date.shtml
Title: Date Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Grundy.shtml
Title: Grundy's Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Arithmetic/Kayles.shtml
Title: Kayles

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/nim_st.shtml
Title: Nim

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Nimble.shtml
Title: Nimble

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Northcott.shtml
Title: Northcott's game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/OnePile.shtml
Title: One Pile

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/PlainimMisere.shtml
Title: Plainim Misère

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Arithmetic/SubtractionGame.shtml
Title: Subtraction Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/TakeAway.shtml
Title: Take-Away Games

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/blue/tt.shtml
Title: Turning Turtles

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Wythoff.shtml
Title: Wythoff's Nim

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/algebra.shtml
Title: Algebra

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Arithmetic/ArithmeticSequence.shtml
Title: 3-Term Arithmetic Series

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URL: http://www.cut-the-knot.org/Curriculum/Algebra/BinaryColorDevice.shtml
Title: Binary Color Device

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/IntergerIterationsOnACircle.shtml
Title: Candy Game

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URL: http://www.cut-the-knot.org/Curriculum/Algebra/ChebyshevTest.shtml
Title: Chebyshev polynomials

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/NSquared.shtml
Title: Counting Triangles

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URL: http://www.cut-the-knot.org/arithmetic/HarmonicMean.shtml
Title: Averages

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/FirstProof.shtml
Title: Heads and Tails

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Figurate.shtml
Title: Multiplication Table

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/arithmetic/interest.shtml
Title: Interest Calculations

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URL: http://www.cut-the-knot.org/Curriculum/Algebra/LetterCount.shtml
Title: Letter Counting

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Merlin.shtml
Title: Merlin's Magic Squares

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/ProizvolovGame.shtml
Title: Proizvolov's Identity

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/PythagoreanTriples.shtml
Title: Pythagorean Triples

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/SelfDescriptive.shtml
Title: Self-documenting Sentences

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/recurrence/guess.shtml
Title: What's next?

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/arithmetic/WProblem.shtml
Title: Word Problems

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Outline/index.shtml#WordProblems
Title: Online practice

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#algebra
Title: And much more ...

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#illusions
Title: Visual Illusions

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Shadow.shtml
Title: Balls and Shadows Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/BulgingLines.shtml
Title: Bulging lines illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Bender.shtml
Title: Gerbino's Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Heaver.shtml
Title: Heaver: A Visual Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/HeringIllusion.shtml
Title: Hering Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/JuddIllusion.shtml
Title: Judd Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/EdgeIllusion.shtml
Title: Kanizsa Triangle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/MullerIllusion.shtml
Title: Müller-Lyer Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Necker.shtml
Title: Necker Cube

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Perspective2.shtml
Title: Perspective Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Poggendorff.shtml
Title: Poggendorff Illusion II

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Ponzo.shtml
Title: Ponzo Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/RevolvingCircles.shtml
Title: Revolving Circles Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/TwistedCord.shtml
Title: Twisted Cord Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/WundtBlock.shtml
Title: Wundt Block Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Zollner.shtml
Title: Zöllner's Illusion

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/probability.shtml
Title: Probability

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Probability/BirdsOnWire.shtml
Title: Birds On a Wire

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Probability/Buffon.shtml
Title: Buffon's Noodle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/do_you_know/misuse.shtml
Title: Misuse of Statistics

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/hall.shtml
Title: Monty Hall Dilemma

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/ctk/Parrondo.shtml
Title: Parrondo's Paradox

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Probability/infinity.shtml
Title: Probability and Infinity

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#mathmagic
Title: Computer Math Magic

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Arithmetic/ArithmeticMagicMatrix.shtml
Title: Arithmetic magic matrix

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Magic/Bachet.shtml
Title: Bachet's Magic Trick

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/SimpleGames/Calendar.shtml
Title: Calendar Magic

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Magic/GergonneMagic.shtml
Title: Gergonne's Magic Trick

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Magic/MindReader.shtml
Title: Hummer's Mind Reader

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Cards.shtml
Title: Number Guessing Game

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/arithmetic/rapid/TwoNumbers.shtml
Title: Guessing Two Numbers

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#combinatorics
Title: Combinatorics

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/BiColorTowerOfHanoi.shtml
Title: Bicolor Tower of Hanoi

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/Chvatal.shtml
Title: Art Gallery Theorem

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/CoinChange.shtml
Title: Coin change

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/CriticalPath.shtml
Title: Critical Path

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Latin.shtml
Title: Latin Squares

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/do_you_know/AllPerm.shtml
Title: Listing all permutations

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Mazes.shtml
Title: Mazes

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/UpAndDownGame.shtml
Title: Monotone Sequences

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/UpAndDown.shtml
Title: A Pigeonhole Problem

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/ProjectScheduling.shtml
Title: Project Scheduling

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/ScrubTiles.shtml
Title: Scrub Tile Puzzle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Algebra/Shuttles.shtml
Title: Shuttle Puzzle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Combinatorics/TowerOfHanoi.shtml
Title: Tower of Hanoi

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/index.shtml#demonstrations
Title: Mathematics Miscellany

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Games/Leprechaun.shtml
Title: Disappearing Rectangles

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/SimpleGames/evolutions.shtml
Title: Genetic Algorithm

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/ImpossibleTrinomial.shtml
Title: Impossible Fork

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/DupontGarden.shtml
Title: Projectile Trajectory

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Geometry/Stereo.shtml
Title: Random Dot Stereograms

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/Curriculum/Probability/Ratchet.shtml
Title: Ratchet Effect

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/ForYoung/Davids1.shtml

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/geometry.shtml
Title: Geometry

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/do_you_know/3Utilities.shtml
Title: 3 Utilities Puzzle

Search URL Search Domain Scan URL

URL: http://www.cut-the-knot.org/triangle/altitudes.shtml
Title: All About Altitudes

Search URL Search Domain Scan URL

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General Check archive.org Show headers Download Go to Full URL https://cut-the-knot.org/assets/jquery-2.1.0.min.js Requested by Host: cut-the-knot.org URL: https://cut-the-knot.org/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_256_GCM Server 107.180.50.227 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US), Reverse DNS 227.50.180.107.host.secureserver.net Software Apache / Resource Hash `f284353a7cc4d97f6fe20a5155131bd43587a0f1c98a56eeaf52cff72910f47d` Request headers accept-language de-DE,de;q=0.9 Referer https://cut-the-knot.org/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36 Response headers date Wed, 19 Apr 2023 14:35:05 GMT content-encoding br last-modified Wed, 11 Feb 2015 03:01:43 GMT server Apache etag "5b03085-1469f-50ec7391c73c0-br" vary Accept-Encoding content-type application/javascript accept-ranges bytes content-length 28637
GET H2	200	bootstrap.min.js Show response cut-the-knot.org/assets/	27 KB 7 KB	99ms 99ms	Script application/javascript	107.180.50.227 AS-26496-GO-DADDY...
General Check archive.org Show headers Download Go to Full URL https://cut-the-knot.org/assets/bootstrap.min.js Requested by Host: cut-the-knot.org URL: https://cut-the-knot.org/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_256_GCM Server 107.180.50.227 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US), Reverse DNS 227.50.180.107.host.secureserver.net Software Apache / Resource Hash `fc1d94f50dd3822e1e53cb96af4f040d2ad8b5c7b984bae5e84efc7641acfada` Request headers accept-language de-DE,de;q=0.9 Referer https://cut-the-knot.org/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36 Response headers date Wed, 19 Apr 2023 14:35:05 GMT content-encoding br last-modified Wed, 11 Feb 2015 03:01:39 GMT server Apache etag "5b03089-6cae-50ec738df6ac0-br" vary Accept-Encoding content-type application/javascript accept-ranges bytes content-length 6987
GET H2	200	jquery.smartmenus.js Show response cut-the-knot.org/assets/	41 KB 10 KB	105ms 104ms	Script application/javascript	107.180.50.227 AS-26496-GO-DADDY...
General Check archive.org Show headers Download Go to Full URL https://cut-the-knot.org/assets/jquery.smartmenus.js Requested by Host: cut-the-knot.org URL: https://cut-the-knot.org/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_256_GCM Server 107.180.50.227 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US), Reverse DNS 227.50.180.107.host.secureserver.net Software Apache / Resource Hash `b2c5930c940c19c8309892f987359522e5110d6ad8bbbba25ccadf046637c804` Request headers accept-language de-DE,de;q=0.9 Referer https://cut-the-knot.org/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36 Response headers date Wed, 19 Apr 2023 14:35:05 GMT content-encoding br last-modified Wed, 11 Feb 2015 03:01:44 GMT server Apache etag "5b03078-a306-50ec7392bb600-br" vary Accept-Encoding content-type application/javascript accept-ranges bytes content-length 10265
GET H2	200	jquery.smartmenus.bootstrap.js Show response cut-the-knot.org/assets/	2 KB 1015 B	96ms 96ms	Script application/javascript	107.180.50.227 AS-26496-GO-DADDY...
General Check archive.org Show headers Download Go to Full URL https://cut-the-knot.org/assets/jquery.smartmenus.bootstrap.js Requested by Host: cut-the-knot.org URL: https://cut-the-knot.org/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_256_GCM Server 107.180.50.227 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US), Reverse DNS 227.50.180.107.host.secureserver.net Software Apache / Resource Hash `fe1d5cae5c311b22e249ae51b67d903bc869bae49dd2d0b60acd82af31a57687` Request headers accept-language de-DE,de;q=0.9 Referer https://cut-the-knot.org/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36 Response headers date Wed, 19 Apr 2023 14:35:05 GMT content-encoding br last-modified Wed, 11 Feb 2015 03:01:43 GMT server Apache etag "5b03087-912-50ec7391c73c0-br" vary Accept-Encoding content-type application/javascript accept-ranges bytes content-length 957
GET		jquery-1.9.1.min.js code.jquery.com/	0 0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: code.jquery.com
URL: http://code.jquery.com/jquery-1.9.1.min.js

Verdicts & Comments Add Verdict or Comment

5 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

1 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

			Domain/Path	Expires	Name / Value
			.cut-the-knot.org/	1970-01-20 11:11:58	Name: __cookie_consent Value: 0

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
security	error	URL: https://cut-the-knot.org/ Message: Mixed Content: The page at 'https://cut-the-knot.org/' was loaded over HTTPS, but requested an insecure script 'http://code.jquery.com/jquery-1.9.1.min.js'. This request has been blocked; the content must be served over HTTPS.

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

code.jquery.com
cut-the-knot.org
origin.wolframcdn.com
www.wolframcdn.com
code.jquery.com
107.180.50.227
140.177.18.78
152.199.22.244
000367eead0ebd1e1f4ac787188cd7f4954c8ba83aaba393c8b3fce2aeb1ca1a
0c0ef3851469ba5ad351926c61d2ba000bbe62066d44133f5b3d08deacde3f2b
18ea0290ad9a973f9e36259b43344cd667e20f45d8a4dfd0ef02ace00c46e818
1c45f3056640f44239d0352409dd62724c28bd736dd135f86a495486303a1615
3c80df3aa2b8249a65d0678283a514cb06b2ef0b898d049ed2cb342332d98e91
43610aac445110c30dace8269806add2a934d40f47414786d2c971e2a1495694
46a2de362f54e3c988cc8c9fbf68fe12018c8ae42fe11509a747f52f17834466
507e453e4fcc502b1706a6e8dceddd82176ea6e6dad30b1e1fd9cc40d4cd3f16
5a7a0b88bcce28e75dbe1eb248fa3cd9bee9cb6da842b612effc0f6d383b7705
6f1f9ad36c67e8ed7f9f4e11fa8efc438909fed7656630f2ad8934810dc0e1c0
7e8d97fde639e6dd078709e9864086209746595c95f9cff4bc0124bd5c426093
b2c5930c940c19c8309892f987359522e5110d6ad8bbbba25ccadf046637c804
b6076991a0dbcb965120f1ff64931af0f04268a365e9885b4a0104727ca9bc71
f284353a7cc4d97f6fe20a5155131bd43587a0f1c98a56eeaf52cff72910f47d
fac2164b2c86dd46ef9c80bc0ec73c7bf0692bd257ebad4230a7cf48a696b811
fc1d94f50dd3822e1e53cb96af4f040d2ad8b5c7b984bae5e84efc7641acfada
fe1d5cae5c311b22e249ae51b67d903bc869bae49dd2d0b60acd82af31a57687

cut-the-knot.org Open in urlscan Pro 107.180.50.227 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

18 Requests

89 %HTTPS

0 %IPv6

3 Domains

4 Subdomains

3 IPs

1 Countries

193 kBTransfer

412 kBSize

1 Cookies

208 Outgoing links

Redirected requests

18 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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Failed requests

Verdicts & Comments Add Verdict or Comment

5 JavaScript Global Variables

1 Cookies

1 Console Messages

Indicators

cut-the-knot.org Open in urlscan Pro
107.180.50.227 Public Scan

Screenshot
Live screenshot

Full Image

18
Requests

89 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

3
IPs

1
Countries

193 kB
Transfer

412 kB
Size

1
Cookies

18 HTTP transactions
0 data transactions