t.co

Last analyzed: Refreshing...

Some Things to Review

A few signals may warrant a closer look

Category: URL Shortener

This reflects observed technical signals, not a judgment of the website's intent or safety. Wondering if T is legit? Below you'll find technical signals for t.co including domain age, HTTPS security, DNS records, and redirect behavior to help you decide if this website is trustworthy.

Observed signals
Registration data not publicly available
Valid HTTPS certificate
DNS records present
No redirects
HSTS enabled
Cloudflare returned error (possible bot protection)
AI Summary Plain-language explanation of the signals

The domain t.co is a website with DNS records. DNS appears to be hosted via twtrdns.net (inferred from nameservers) and the domain resolves to IP address 151.101.66.146 using nameservers a.r06.twtrdns.net and a.u06.twtrdns.net. HTTPS is enforced, with a certificate issued by Let's Encrypt that covers the domain and expires on 2026-04-13T10:48:35Z. No redirects were detected; the final URL is http://t.co/. These signals describe technical characteristics only and do not indicate intent or safety.

HTTP Response
HTTPS Direct

Final URL:

http://t.co/
TLS Certificate
Valid
Yes
Covers Domain
Yes
Type
Single

Expires in 39 days

Certificate details

Subject: /CN=t.co

Issuer: /C=US/O=Let's Encrypt/CN=E7

Chain: 2 certificates

Subject Alt Names (1)
t.co matches
DNS Records
A Records
1
AAAA
0
NS
8
IP addresses & nameservers

A: 162.159.140.229

NS: a.r06.twtrdns.net, a.u06.twtrdns.net, b.r06.twtrdns.net, b.u06.twtrdns.net, c.r06.twtrdns.net, c.u06.twtrdns.net, d.r06.twtrdns.net, d.u06.twtrdns.net

TXT records (4)
v=spf1 -all
1nfb08f5jkpy0flhn6lwml2vk7x34hrd
1z8q6j6wymwb6bh0t3q28tp7vsbgnh6d
48qgbs8f2v055y997kpf4cx2302fzfs2
Domain Registration

Could not retrieve domain registration information.

Robots.txt (Crawl directives)
Status
200 OK
Crawl Access
Restricted (blocks all paths)

These directives apply to crawlers requesting this host.

Agents
4
Rules
4
Sitemaps
0
Directive breakdown
Disallow 4
Allow 0
Raw content
12 lines View full file 
User-agent: twitterbot
Disallow:

#Google Search Engine Robot
User-agent: Googlebot
Disallow:

User-agent: Bingbot
Disallow:

User-agent: *
Disallow: /

Robots.txt directives are advisory instructions for crawlers and do not enforce access control.

Tech Stack
Platform
Not detected
JS Framework
Not detected
Server
Hidden (CDN)
CDN
Cloudflare
Analytics
Not detected
Security Headers
1 / 6
Cloudflare
HSTS
Detection evidence
HSTS:
strict-transport-security header present
Cloudflare:
cf-ray header present (IAD)

Technologies detected from HTTP headers and HTML patterns. Detection is passive and may not capture all technologies.

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