indexo.dev

gilderlehrman.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-30 · error HTTP 403 crawled 2026-06-01 5 attempts

US · 104.20.40.176 · AS13335 Cloudflare, Inc.

Reputation 90/100 crawl error

cloudflare bot challenge

Registration

Registrar
Network Solutions, LLC
Created
1998-09-26
Expires
2026-09-25 115 days left
Updated
2026-04-22
Name servers
  • hazel.ns.cloudflare.com
  • ryan.ns.cloudflare.com

DNS records live

NS
  • hazel.ns.cloudflare.com
  • ryan.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • pardot941553=83a945c85061899e2c0a00e00b0222707950ad0fdfff38fcc45f3f47f9d5e877
Verified for
  • Anthropic
  • Apple
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:aspmx.pardot.com include:_spf.salesforce.com include:_spf.soapboxengage.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-reports@gilderlehrman.org
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGVJ8NTj0yOv3hI36CIChKr9mZ0jzvPpcUksb4r2WMHNSBTXBvWX51PUwRnn2xV0EqxeR0DnYv5pnKb3gan5…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwoux+6ceDwTEaYZ1yja1et84ZH5/hiRieNt0Un/DlbrTMtZP2tZsEejUrtZ3bRETf9aIcmij8n7jmLh9ZQ…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiBaByFt14F13j1BQNM/8xv6f0KSwkLnlXN7B7HoB+ohZwWfpWPHf6hxE8mq+vVe1WfKoP9iyY7zK1LFsSAz5AMw…
selectors probed

Certificate (current)

E7
from 2026-04-22 to 2026-07-21
Expires in 50 days

Full certificate history on crt.sh ↗

Linked from (5)