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=1781680614 | ||||||
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 → 2026-06-17 · 3 obs
● 2026-03-25 01:07:10
● 2026-06-17 07:35:54
○NSns1.sedoparking.com2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-06-17 07:35:54
●NSns2.atom.com2026-03-25 → 2026-06-17 · 3 obs
● 2026-03-25 01:07:10
● 2026-06-17 07:35:54
○NSns2.sedoparking.com2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-06-17 07:35:54
○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
○ 2026-06-17 07:35:54
○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
○ 2026-06-17 07:35:54
○MXmail.b-io.co2015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-06-17 07:35:54
○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
○ 2026-06-17 07:35:54
○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
○ 2026-06-17 07:35:54
○A139.162.120.402018-08-13 → 2018-08-13 · 4 obs
● 2018-08-13 20:39:14
○ 2026-03-25 01:07:10
○ 2026-06-17 07:35:54
○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
○ 2026-06-17 07:35:54
○A184.168.221.442016-02-04 → 2016-02-04 · 4 obs
● 2016-02-04 19:54:36
○ 2016-05-07 09:03:12
○ 2026-06-17 07:35:54
○A50.63.202.292015-11-13 → 2015-11-13 · 4 obs
● 2015-11-13 11:17:14
○ 2016-02-04 19:54:36
○ 2026-06-17 07:35:54
●A52.20.84.622026-03-25 → 2026-06-17 · 3 obs
● 2026-03-25 01:07:10
● 2026-06-17 07:35:54
○A72.52.4.1202015-04-29 → 2015-04-29 · 3 obs
○ 2015-11-13 11:17:14
○ 2026-06-17 07:35:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| gitbook.org | ns2.atom.com, ns1.atom.com | - |
✅ Authoritative Response
Server:44.219.81.145
NS records: ns2.atom.com, ns1.atom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gitbook.org (unsigned zone)
⏱️ Timing
Total: 298ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.20.84.62 |
| NS | 2 | ns1.atom.com, ns2.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 stylux.co, wagoro.com, getonmypc.com and two more.
The name servers for gitbook.org are partially shared with other domains like bellsum.com, sibee.com and mabdaa.com
These name servers often co-occur with the name servers verification-8uneycqadhrltns2lewzss.ns101.verify.hn.
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.