indexo.dev

learningblade.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-10 · ok HTTP 200 3384 ms crawled 2026-05-07

US · 13.248.253.131 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Registration

Registrar
Amazon Registrar, Inc.
Created
2012-03-09
Expires
2027-03-09 292 days left
Updated
2026-02-02
Name servers
  • ns-1230.awsdns-25.org
  • ns-1700.awsdns-20.co.uk
  • ns-235.awsdns-29.com
  • ns-790.awsdns-34.net

DNS records live

NS
  • ns-1230.awsdns-25.org
  • ns-1700.awsdns-20.co.uk
  • ns-235.awsdns-29.com
  • ns-790.awsdns-34.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 4 TXT records
  • knowbe4-site-verification=02db3631a1a5fec3016f509c2afb2112
  • sending_domain855153=463dc19c4671d6a217a4e745be32656e21b56680a645868ead69d6609d9cb223
  • cl_verification=90f0eb33-f1e6-4c49-9741-9b0988e24501
  • cl_verification=e276d9f3-5636-459a-8911-1c2d7eab1e85
Verified for
  • 1Password
  • Google
  • Smartsheet
  • Zoom

Email authentication strong

SPF
v=spf1 ip4:72.3.191.136/16 include:_spf.google.com include:emailsrvr.com include:_spf.salesforce.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDjL0wKEXtSO33dDf4iad+15ggFwKytbVEZ8HoV4OhN33KA/D/tDMM/w36VL250tD3q4IHD35gUyyrfmEpquN…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2026-03-04 to 2026-09-18
Expires in 120 days

Full certificate history on crt.sh ↗

Linked from (2)