indexo.dev

challengerdoor.com

.com crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP 200 1863 ms crawled 2026-05-18

US · 18.165.122.36 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Registrar
Amazon Registrar, Inc.
Created
2008-09-05
Expires
2026-09-05 107 days left
Updated
2026-05-13
Name servers
  • ns-1114.awsdns-11.org
  • ns-2028.awsdns-61.co.uk
  • ns-317.awsdns-39.com
  • ns-642.awsdns-16.net

DNS records live

NS
  • ns-1114.awsdns-11.org
  • ns-2028.awsdns-61.co.uk
  • ns-317.awsdns-39.com
  • ns-642.awsdns-16.net
MX
  • 0 mx1.lci1.iphmx.com
  • 0 mx2.lci1.iphmx.com
TXT
Show 5 TXT records
  • 9NoRdVCVNQNiQhiHoP7O5+hyVAtvi+/qoEySSYriwNebI3Zwcsai4+W/XhytzR8Xc2j0zSl1Pj4K+QVdgmNqRA==
  • ca3-63872d02f39f40a0945c38d163157db5
  • ca3-c7488c19fb094179b9ec4086e011bd52
  • kcl1o02scbndan2gfq1c8lj46p
  • knowbe4-site-verification=918ecf42ae1003e9399327687de9fa53
Verified for
  • Microsoft 365
  • Miro

Email authentication partial

SPF
v=spf1 exists:%{i}.spf.lci1.iphmx.com ip4:66.249.231.101 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:db85daabc5b7606@rep.dmarcanalyzer.com; ruf=mailto:db85daabc5b7606@for.dmarcanalyzer.com; sp=none; fo=1;
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2025-10-01 to 2026-10-31
Expires in 163 days

Full certificate history on crt.sh ↗

Linked from (1)