linkreldns-prefetchhrefhttpsuser-images.githubusercontent.com

No Valid Email Server
Domain Lookup › linkreldns-prefetchhrefhttpsuser-images.githubusercontent.com

Domain Overview

DNS: ✓ 11d ago Checker: ✓ 11d ago
linkreldns-prefetchhrefhttpsuser-images.githubusercontent.com
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via test@linkreldns-prefetchhrefhttpsuser-images.githubusercontent.com · 2026-05-22 07:38:11 UTC · ↺ Refresh

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MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 185.199.111.133 ↩ cdn-185-199-111-133.github.com
  • 185.199.110.133 ↩ cdn-185-199-110-133.github.com
  • 185.199.109.133 ↩ cdn-185-199-109-133.github.com
  • 185.199.108.133 ↩ cdn-185-199-108-133.github.com

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

No TXT records found.

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