collegextra.net

.net dns

First seen 2026-05-01 · Last seen 2026-05-20 · pending HTTP 400 crawled 2026-05-19 3 attempts

US · 54.90.29.167 · AS14618 Amazon.com, Inc.

Reputation 67/100 wrong cert no dmarc policy

http 400

Registration

Registrar
DNC Holdings, Inc.
Created
2001-02-20
Expires
2028-02-20 640 days left
Updated
2026-03-27
Name servers
  • ns.collegextra.com
  • ns.collegextra.net
  • ns3.collegextra.com
  • ns4.collegextra.com

DNS records live

NS
  • ns.collegextra.com
  • ns.collegextra.net
  • ns3.collegextra.com
  • ns4.collegextra.com
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 10 aspmx4.googlemail.com
  • 10 aspmx5.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 a mx include:aspmx.googlemail.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-04-15 to 2026-07-14
Expires in 54 days