readthedocs.org

.org toplist crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP 200 2154 ms crawled 2026-05-18

US · 104.18.6.29 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Registrar
Cloudflare, Inc.
Created
2010-08-12
Expires
2029-08-12 1180 days left
Updated
2025-06-24
Name servers
  • ivan.ns.cloudflare.com
  • tegan.ns.cloudflare.com

DNS records live

NS
  • ivan.ns.cloudflare.com
  • tegan.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf.mlsend.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:42c49d9b4a484188a99b6a9a589b8d25@dmarc-reports.cloudflare.net;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmkmCaleu4oENo69BW+WbN1Mr1FjqYzlMm+iYmFMMeMvaDhBOuPmL/2xsR8wVfhfA+E0lsr7kK3Hd93…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvf/c0HNw4XoeFxbdd6GhqMJ2b6YGwfF0bVeUGhjqY0dhqD62tl+Hyw9/TKySFgEijZiYkoODCuJwe1szOp…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5GlJs62LEv97+KUYCLfJB4WVH88LOJFwn6/3VzUv0wqVCUzUq2Z/psHPgZchJfqpgllE+nTMqKI7CtCSNWdkS1h…
selectors probed

Certificate (current)

WE1
from 2026-04-19 to 2026-07-18
Expires in 59 days

Linked from (50)