www.ietf.org
104.16.45.99
Public Scan
Open in
urlscan Pro
http://www.ietf.org/rfc/rfc2817.txt 9yr old
Effective URL:
https://www.ietf.org/rfc/rfc2817.txt 9yr old
Submission: On April 24 via api (April 24th 2026, 6:35:25 pm UTC) from CA — Scanned from CA
Summary
TLS certificate: Issued by E8 on March 11th 2026. Valid for: 3mo.
This is the only time www.ietf.org was scanned on urlscan.io!
urlscan.io Verdict: No classification
Domain & IP information
| IP Address | AS Autonomous System | ||
|---|---|---|---|
| 2 | 104.16.45.99 104.16.45.99 | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
| 2 | 1 |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
| www.ietf.org 9yr old |
| Apex Domain Subdomains |
Transfer | |
|---|---|---|
| 2 |
ietf.org
www.ietf.org — Cisco Umbrella Rank: 11644 9yr old |
18 KB |
| 2 | 1 |
| Domain | Requested by | |
|---|---|---|
| 2 | www.ietf.org | |
| 2 | 1 |
This site contains no links.
| Subject Issuer | Validity | Valid | |
|---|---|---|---|
| ietf.org E8 |
2026-03-11 - 2026-06-09 |
3mo | crt.sh |
This page contains 1 frames:
Primary Page:
https://www.ietf.org/rfc/rfc2817.txt
Frame ID: 8DD7B03A19B626A3300C013E23D14397
Requests: 2 HTTP requests in this frame
Screenshot
Page URL History Show full URLs
-
http://www.ietf.org/rfc/rfc2817.txt
HTTP 307
https://www.ietf.org/rfc/rfc2817.txt Page URL
Detected technologies
Cloudflare Bot Management
(Security)
Expand
Detected patterns
Page Statistics
0 Outgoing links
These are links going to different origins than the main page.
Page URL History
This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.
-
http://www.ietf.org/rfc/rfc2817.txt
HTTP 307
https://www.ietf.org/rfc/rfc2817.txt Page URL
Redirected requests
There were HTTP redirect chains for the following requests:
2 HTTP transactions
0 data transactions
| Method Protocol |
Status | Resource Path |
Size x-fer |
Time Latency |
Type MIME-Type |
IP Location |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GET H3 |
200 |
Primary Request
rfc2817.txt
Show response
www.ietf.org/rfc/ Redirect Chain
|
27 KB 10 KB |
115ms
74ms |
Document
text/plain |
104.16.45.99 Cloudflare |
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|
General
Request headers
Response headers
Redirect headers
|
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|
GET H3 |
404 |
favicon.ico
www.ietf.org/ |
76 KB 8 KB |
45ms
45ms |
Other
text/html |
104.16.45.99 Cloudflare |
|||||||||||||||||||||||||||||||||||||||||||||||||
|
General
Request headers
Response headers
|
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Verdicts & Comments Add Verdict or Comment
0 JavaScript Window variables
These are the non-standard variables defined on the window object. These include var declarations and global functions and 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 | |||
|---|---|---|---|---|---|
| .ietf.org/ | 1970-01-21 13:37:37 |
Name: __cf_bm Value: FC81kE63ERLhtXf0_cBTQ5Xfdo9q4nJt.VIQESSStLE-1777055726.0727515-1.0.1.1-vpt9RATxrhkSBWgJekzEDSFNxGTra6E5B6B9G8QGnGeS8KLa37tgBprJVz46jfqYwKOGpqd7e1D9lijbA1C0.XYp2fTFfA1GsgWmq9B3tQ6rSJoOBY6wRRBIiRN8txBT |
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 |
|---|
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.
www.ietf.org
104.16.45.99
2f461e4c44bef0a8feda1f0b3a0eda71d5ac39f92d7c26dc0b6f7721a2764032
eafd56ede719efdf00c55716b5ae2f8b3d1d40d87857763e7c67099826a16306