gitbook.io

.io toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP 200 943 ms crawled 2026-05-18

US · 104.18.40.47 · AS13335 Cloudflare, Inc.

Reputation 100/100

DNS records live

NS
  • dahlia.ns.cloudflare.com
  • hugh.ns.cloudflare.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
TXT
Show 6 TXT records
  • 8277640
  • 8lncom12tnn1so22eu2gvaoe9q
  • google-site-verification=9HmRew5KGY83Wzed-UhP71FdHHbV3qoUKP5h_Jenjeo
  • google-site-verification=jOO29_Act4pfhfArsLE_txCdET-NuQQyqp1aAG5-H8s
  • google-site-verification=mAI4k7A4RaCrAbrsgv7m8w6VPx0irEHUO3bHYEPPwdI
  • openai-domain-verification=dv-5coTbUFl8eIUWr3rQkpd9lw2

Email authentication strong

SPF
v=spf1 a mx include:_spf.google.com include:sendgrid.net include:stspg-customer.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:johan@gitbook.io; ruf=mailto:johan@gitbook.io; fo=1; pct=100
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNOaPg/6XTvWJZ+PIbuRUBF8KZXipVYR+Q2x5UvRpPUFWnqZUoLa5RXRv0Bo73UJ1/XJ2H0rAINYXO1ectF+…
selectors probed

Certificate (current)

WE1
from 2026-04-09 to 2026-07-08
Expires in 50 days

Linked from (50)