skillbuilder.io

.io crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP 200 1522 ms crawled 2026-05-31

US · 3.164.68.30 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

DNS records live

NS
  • ns-1303.awsdns-34.org
  • ns-1639.awsdns-12.co.uk
  • ns-173.awsdns-21.com
  • ns-718.awsdns-25.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
  • amazonses:3e8qDqUUJVV4/fGNenLtxBy4J40IAfimwYwmzpJv6qA=
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:re+tae1es0lfgr@dmarc.postmarkapp.com; sp=none; aspf=r;
policy: none (monitoring only) · sp=none
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrron6ZjVlNRBrDE7zpCHrmkABwLSLBSQxFP6n1UKP81BxxQEhf3mLAGRJKG58zQoPp5T4QOviW/tRv8Sh9E…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Amazon RSA 2048 M02
from 2025-08-21 to 2026-09-20
Expires in 109 days

Linked from (1)