gitbook.org - dns.ninja
gitbook.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-84-62.compute-1.amazonaws.com | ||||||
| NS | ns1.atom.com ⭐ | ||||||
| A | 44.219.81.145🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| PTR | ec2-44-219-81-145.compute-1.amazonaws.com | ||||||
| NS | ns2.atom.com | ||||||
| A | 50.19.240.86🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix | ||||||
| PTR | ec2-50-19-240-86.compute-1.amazonaws.com | ||||||
| SOA | ns1.atom.comhostmaster@gitbook.org 2025-11-01 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785708421 | ||||||
Same first word
gitbook.me |
gitbook.cn |
gitbook.org |
gitbook.net |
gitbook.ai |
gitbook.wtf |
gitbook.com |
gitbook.space |
gitbook.io |
gitbook.site |
Similar names
DNS History
15 records (3 active, 12 former)
●NSns1.atom.com2026-03-25 → 2026-08-02 · 3 obs
● 2026-03-25 01:07:10
● 2026-08-02 22:49:02
○NSns1.sedoparking.com2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-08-02 22:49:02
●NSns2.atom.com2026-03-25 → 2026-08-02 · 3 obs
● 2026-03-25 01:07:10
● 2026-08-02 22:49:02
○NSns2.sedoparking.com2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-08-02 22:49:02
○NSns77.domaincontrol.com2015-11-13 → 2017-01-20 · 5 obs
● 2015-11-13 11:17:14
● 2017-01-20 11:10:18
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○NSns78.domaincontrol.com2015-11-13 → 2017-01-20 · 5 obs
● 2015-11-13 11:17:14
● 2017-01-20 11:10:18
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○MXmail.b-io.co2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-08-02 22:49:02
○MXmailstore1.secureserver.net2015-11-13 → 2017-01-20 · 5 obs
● 2015-11-13 11:17:14
● 2017-01-20 11:10:18
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○MXsmtp.secureserver.net2015-11-13 → 2017-01-20 · 5 obs
● 2015-11-13 11:17:14
● 2017-01-20 11:10:18
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○A139.162.120.402018-08-13 → 2018-08-13 · 4 obs
● 2018-08-13 20:39:14
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○A184.168.221.12016-05-07 → 2017-01-20 · 5 obs
● 2016-05-07 09:03:12
● 2017-01-20 11:10:18
○ 2026-03-25 01:07:10
○ 2026-08-02 22:49:02
○A184.168.221.442016-02-04 → 2016-02-04 · 4 obs
● 2016-02-04 19:54:36
○ 2016-05-07 09:03:12
○ 2026-08-02 22:49:02
○A50.63.202.292015-11-13 → 2015-11-13 · 4 obs
● 2015-11-13 11:17:14
○ 2016-02-04 19:54:36
○ 2026-08-02 22:49:02
●A52.20.84.622026-03-25 → 2026-08-02 · 3 obs
● 2026-03-25 01:07:10
● 2026-08-02 22:49:02
○A72.52.4.1202015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-08-02 22:49:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| gitbook.org | ns1.atom.com, ns2.atom.com | - |
✅ Authoritative Response
Server:44.219.81.145
NS records: ns1.atom.com, ns2.atom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gitbook.org (unsigned zone)
⏱️ Timing
Total: 220ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.20.84.62 |
| NS | 2 | ns2.atom.com, ns1.atom.com |
| SOA | 1 | ns1.atom.com hostmaster.gitbook.org |
Analysis
IP Addresses
gitbook.org resolves to one IP address: 52.20.84.62.
decoluz.com, cobrik.com, www.tradedeep.com and two other host names share IP numbers with gitbook.org.
Name Servers
gitbook.org has two authoritative name servers — ns1.atom.com and ns2.atom.com.
gitbook.org uses the same name servers as several other domains — among them ldsso.org, noanime.com, wagoro.com and two more.
Some of gitbook.org's name servers are also used by other domains, including bellsum.com, sibee.com, ghornata.com and mabdaa.com.
These name servers are regularly seen alongside verification-yhehuhyrvixzqbtydgzisf.ns101.verify.hn and verification-8uneycqadhrltns2lewzss.ns101.verify.hn as name servers.
ns1.atom.com resolves to 44.219.81.145. ns2.atom.com resolves to 50.19.240.86. Both host names point to a single IP number.