indexo.dev

erols.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-14 · error crawled 2026-05-17 5 attempts

Reputation 84/100 crawl error dmarc monitor-only

http error: [Errno -5] No address associated with hostname

Registration

Registrar
CSC Corporate Domains, Inc.
Created
1995-04-30
Expires
2027-05-01 347 days left
Updated
2025-01-13
Name servers
  • auth1.dns.rcn.net
  • auth2.dns.rcn.net
  • auth3.dns.rcn.net
  • auth4.dns.rcn.net

DNS records live

NS
  • auth1.dns.rcn.net
  • auth2.dns.rcn.net
  • auth3.dns.rcn.net
  • auth4.dns.rcn.net
MX
  • 50 mx.rcn.com
TXT
  • google-site-verification=E1U-H1EjKHKZcs-AAb28liYKoCFFGj2ll49_krU2Mwo

Email authentication partial

SPF
v=spf1 ip4:207.172.4.0/24 ip4:207.172.157.0/24 ip4:208.58.56.0/24 include:_spf.rcn.syn-alias.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none;pct=100;rua=mailto:dmarc@eng.rcn.net;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificates

Loading certificate

Linked from (3)