gitbook.io
The domain gitbook.io answers at IP address 104.18.40.47. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for gitbook.io goes through 5 servers; the highest priority one is aspmx.l.google.com. It also publishes 7 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 104.18.40.47 300s
- 172.64.147.209 300s
AAAA AAAA records
MX MX records
- 10 aspmx.l.google.com 300s
- 20 alt2.aspmx.l.google.com 300s
- 20 alt1.aspmx.l.google.com 300s
- 30 aspmx3.googlemail.com 300s
- 30 aspmx2.googlemail.com 300s
NS NS records
- hugh.ns.cloudflare.com 21600s
- dahlia.ns.cloudflare.com 21600s
TXT TXT records
- 8lncom12tnn1so22eu2gvaoe9q 300s
- google-site-verification=jOO29_Act4pfhfArsLE_txCdET-NuQQyqp1aAG5-H8s 300s
- google-site-verification=mAI4k7A4RaCrAbrsgv7m8w6VPx0irEHUO3bHYEPPwdI 300s
- v=spf1 a mx include:_spf.google.com include:sendgrid.net include:stspg-customer.com -all 300s
- google-site-verification=9HmRew5KGY83Wzed-UhP71FdHHbV3qoUKP5h_Jenjeo 300s
- 8277640 300s
- openai-domain-verification=dv-5coTbUFl8eIUWr3rQkpd9lw2 300s
SOA SOA records
- dahlia.ns.cloudflare.com 1800s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.