gitlab-duo.app - dns.ninja

`gitlab-duo.app`

DNSSEC	⚠️ Not signed
A	34.197.194.64^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
		PTR	`ec2-34-197-194-64.compute-1.amazonaws.com`
A	54.204.71.177^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
A	100.60.42.97^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns-1967.awsdns-53.co.uk` ⭐
		A	2600:9000:5307:af00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1967.awsdns-53.co.uk`
		A	205.251.199.175^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1967.awsdns-53.co.uk`
NS	`ns-1520.awsdns-62.org`
		A	2600:9000:5305:f000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1520.awsdns-62.org`
		A	205.251.197.240^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1520.awsdns-62.org`
NS	`ns-909.awsdns-49.net`
		A	2600:9000:5303:8d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-909.awsdns-49.net`
		A	205.251.195.141^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-909.awsdns-49.net`
NS	`ns-91.awsdns-11.com`
		A	2600:9000:5300:5b00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-91.awsdns-11.com`
		A	205.251.192.91^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-91.awsdns-11.com`
SOA	`ns-1967.awsdns-53.co.uk`awsdns-hostmaster@amazon.com serial=1

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

gitlab-duo.io

gitlab-duo.org

gitlab-duo.bot

gitlab-duo.ai

gitlab-duo.net

gitlab-duo.dev

gitlab-duo.co

gitlab-duo.app

DNS History

43 records (7 active, 36 former)

●NSns-1520.awsdns-62.org2026-02-16 → 2026-07-27 · 2 obs

● 2026-02-16 04:30:38
● 2026-07-27 16:44:08

●NSns-1967.awsdns-53.co.uk2026-02-16 → 2026-07-27 · 2 obs

● 2026-02-16 04:30:38
● 2026-07-27 16:44:08

●NSns-909.awsdns-49.net2026-02-16 → 2026-07-27 · 2 obs

● 2026-02-16 04:30:38
● 2026-07-27 16:44:08

●NSns-91.awsdns-11.com2026-02-16 → 2026-07-27 · 2 obs

● 2026-02-16 04:30:38
● 2026-07-27 16:44:08

○A100.28.184.2312026-03-06 → 2026-03-06 · 4 obs

○ 2026-02-26 03:54:36
● 2026-03-06 14:11:42
○ 2026-03-16 15:46:58
○ 2026-07-27 16:44:08

○A100.30.168.892026-05-31 → 2026-06-10 · 5 obs

○ 2026-05-31 14:07:52
● 2026-05-31 23:26:52
● 2026-06-10 07:30:30
○ 2026-06-11 09:29:58
○ 2026-07-27 16:44:08

●A100.60.42.972026-07-27 → 2026-07-27 · 2 obs

○ 2026-07-19 20:28:30
● 2026-07-27 16:44:08

○A107.23.148.2472026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-09 10:09:42
● 2026-07-09 19:01:54
○ 2026-07-19 20:28:30
○ 2026-07-27 16:44:08

○A18.206.197.822026-02-16 → 2026-07-27 · 2 obs

○ 2026-02-16 04:30:38
○ 2026-07-27 16:44:08

○A18.215.211.242026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-11 09:29:58
● 2026-06-23 11:33:02
○ 2026-07-09 10:09:42
○ 2026-07-27 16:44:08

○A3.208.147.1162026-03-17 → 2026-03-20 · 5 obs

○ 2026-03-16 15:46:58
● 2026-03-17 13:18:50
● 2026-03-20 02:08:24
○ 2026-04-23 21:00:04
○ 2026-07-27 16:44:08

○A3.209.119.702026-02-16 → 2026-02-26 · 4 obs

● 2026-02-16 04:30:38
● 2026-02-26 03:54:36
○ 2026-03-06 14:11:42
○ 2026-07-27 16:44:08

○A3.212.15.22026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-10 00:39:10
● 2026-05-15 14:49:18
○ 2026-05-16 18:23:28
○ 2026-07-27 16:44:08

○A3.215.201.1732026-05-23 → 2026-05-31 · 5 obs

○ 2026-05-18 11:16:20
● 2026-05-23 10:00:18
● 2026-05-31 14:07:52
○ 2026-05-31 23:26:52
○ 2026-07-27 16:44:08

○A3.224.51.2452026-05-09 → 2026-05-10 · 5 obs

○ 2026-05-05 20:16:30
● 2026-05-09 15:19:12
● 2026-05-10 00:39:10
○ 2026-05-15 14:49:18
○ 2026-07-27 16:44:08

○A3.227.54.162026-03-16 → 2026-03-20 · 5 obs

○ 2026-03-06 14:11:42
● 2026-03-16 15:46:58
● 2026-03-20 02:08:24
○ 2026-04-23 21:00:04
○ 2026-07-27 16:44:08

○A3.229.203.2402026-05-05 → 2026-05-18 · 5 obs

○ 2026-05-01 12:28:24
● 2026-05-05 20:16:30
● 2026-05-18 11:16:20
○ 2026-05-23 10:00:18
○ 2026-07-27 16:44:08

○A3.231.122.1922026-02-16 → 2026-02-26 · 4 obs

● 2026-02-16 04:30:38
● 2026-02-26 03:54:36
○ 2026-03-06 14:11:42
○ 2026-07-27 16:44:08

○A32.194.0.1392026-05-16 → 2026-05-17 · 5 obs

○ 2026-05-15 14:49:18
● 2026-05-16 18:23:28
● 2026-05-17 19:20:42
○ 2026-05-18 11:16:20
○ 2026-07-27 16:44:08

○A32.196.101.1482026-04-24 → 2026-05-05 · 5 obs

○ 2026-04-23 21:00:04
● 2026-04-24 01:48:04
● 2026-05-05 20:16:30
○ 2026-05-09 15:19:12
○ 2026-07-27 16:44:08

○A32.198.160.592026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-02 14:53:46
● 2026-07-09 10:09:42
○ 2026-07-17 16:41:08
○ 2026-07-27 16:44:08

●A34.197.194.642026-07-19 → 2026-07-27 · 3 obs

○ 2026-07-17 16:41:08
● 2026-07-19 05:59:40
● 2026-07-27 16:44:08

○A34.227.183.1342026-02-19 → 2026-02-26 · 5 obs

○ 2026-02-16 05:28:54
● 2026-02-19 23:27:48
● 2026-02-26 03:54:36
○ 2026-03-06 14:11:42
○ 2026-07-27 16:44:08

○A34.231.136.1152026-06-10 → 2026-06-10 · 4 obs

○ 2026-06-08 22:15:54
● 2026-06-10 01:16:06
○ 2026-06-23 11:33:02
○ 2026-07-27 16:44:08

○A35.173.52.2012026-04-23 → 2026-05-01 · 5 obs

○ 2026-03-20 02:08:24
● 2026-04-23 21:00:04
● 2026-05-01 12:28:24
○ 2026-05-05 20:16:30
○ 2026-07-27 16:44:08

○A35.175.76.112026-04-23 → 2026-04-23 · 4 obs

○ 2026-03-20 02:08:24
● 2026-04-23 21:00:04
○ 2026-04-24 01:48:04
○ 2026-07-27 16:44:08

○A44.206.22.692026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-10 07:30:30
● 2026-06-11 09:29:58
○ 2026-06-23 11:33:02
○ 2026-07-27 16:44:08

○A50.19.170.192026-05-18 → 2026-05-27 · 5 obs

○ 2026-05-17 19:20:42
● 2026-05-18 11:16:20
● 2026-05-27 21:04:26
○ 2026-05-31 00:43:12
○ 2026-07-27 16:44:08

○A52.2.161.512026-04-23 → 2026-05-01 · 5 obs

○ 2026-03-20 02:08:24
● 2026-04-23 21:00:04
● 2026-05-01 12:28:24
○ 2026-05-05 20:16:30
○ 2026-07-27 16:44:08

○A52.2.64.1702026-07-02 → 2026-07-02 · 4 obs

○ 2026-06-23 11:33:02
● 2026-07-02 14:53:46
○ 2026-07-09 19:01:54
○ 2026-07-27 16:44:08

○A52.200.92.2052026-05-05 → 2026-05-18 · 5 obs

○ 2026-05-01 12:28:24
● 2026-05-05 20:16:30
● 2026-05-18 11:16:20
○ 2026-05-23 10:00:18
○ 2026-07-27 16:44:08

○A52.23.145.2452026-03-06 → 2026-03-16 · 5 obs

○ 2026-02-26 03:54:36
● 2026-03-06 14:11:42
● 2026-03-16 15:46:58
○ 2026-03-17 13:18:50
○ 2026-07-27 16:44:08

○A52.23.63.1102026-05-31 → 2026-06-08 · 5 obs

○ 2026-05-27 21:04:26
● 2026-05-31 00:43:12
● 2026-06-08 22:15:54
○ 2026-06-10 01:16:06
○ 2026-07-27 16:44:08

○A52.4.242.582026-07-17 → 2026-07-17 · 3 obs

○ 2026-07-09 19:01:54
● 2026-07-17 16:41:08
○ 2026-07-27 16:44:08

○A52.5.155.102026-03-06 → 2026-03-17 · 5 obs

○ 2026-02-26 03:54:36
● 2026-03-06 14:11:42
● 2026-03-17 13:18:50
○ 2026-03-20 02:08:24
○ 2026-07-27 16:44:08

○A52.72.255.912026-05-31 → 2026-06-10 · 5 obs

○ 2026-05-31 14:07:52
● 2026-05-31 23:26:52
● 2026-06-10 07:30:30
○ 2026-06-11 09:29:58
○ 2026-07-27 16:44:08

○A54.145.134.662026-02-16 → 2026-02-16 · 4 obs

● 2026-02-16 04:30:38
● 2026-02-16 05:28:54
○ 2026-02-19 23:27:48
○ 2026-07-27 16:44:08

○A54.146.80.972026-05-23 → 2026-05-31 · 5 obs

○ 2026-05-18 11:16:20
● 2026-05-23 10:00:18
● 2026-05-31 14:07:52
○ 2026-05-31 23:26:52
○ 2026-07-27 16:44:08

●A54.204.71.1772026-07-19 → 2026-07-27 · 3 obs

○ 2026-07-19 05:59:40
● 2026-07-19 20:28:30
● 2026-07-27 16:44:08

○A54.227.200.122026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-10 07:30:30
● 2026-06-11 09:29:58
○ 2026-07-02 14:53:46
○ 2026-07-27 16:44:08

○A54.86.114.1202026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-02 14:53:46
● 2026-07-09 10:09:42
○ 2026-07-19 05:59:40
○ 2026-07-27 16:44:08

○A98.89.99.1572026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-17 13:18:50
● 2026-03-20 02:08:24
○ 2026-04-23 21:00:04
○ 2026-07-27 16:44:08

○A98.94.121.1322026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-11 09:29:58
● 2026-06-23 11:33:02
○ 2026-07-09 10:09:42
○ 2026-07-27 16:44:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
gitlab-duo.app	ns-1967.awsdns-53.co.uk, ns-91.awsdns-11.com, ns-909.awsdns-49.net, ns-1520.awsdns-62.org	-

✅ Authoritative Response

Server:205.251.197.240

NS records: ns-1967.awsdns-53.co.uk, ns-91.awsdns-11.com, ns-909.awsdns-49.net, ns-1520.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gitlab-duo.app (unsigned zone)

⏱️ Timing

Total: 767ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`34.197.194.64, 100.60.42.97...`
NS	4	`ns-1520.awsdns-62.org, ns-1967.awsdns-53.co.uk...`
SOA	1	`ns-1967.awsdns-53.co.uk awsdns-hostmaste`

Analysis

IP Addresses

The hostname gitlab-duo.app resolves to three IP addresses: 34.197.194.64, 54.204.71.177 and 100.60.42.97.

gitlab.ci, gitlab.nz, gitlab.jp and two other host names share IP numbers with gitlab-duo.app.

Name Servers

The authoritative name servers for gitlab-duo.app are ns-91.awsdns-11.com, ns-909.awsdns-49.net, ns-1520.awsdns-62.org and ns-1967.awsdns-53.co.uk.

gitlab-duo.app partially shares its NS delegation with several other domains, including readly.ch, driveshack.info, localbeauty.singles and two others.

ns-91.awsdns-11.com, ns-909.awsdns-49.net, ns-1520.awsdns-62.org and ns-1967.awsdns-53.co.uk each carry two IP addresses. ns-91.awsdns-11.com has 205.251.192.91 and 2600:9000:5300:5b00::1; ns-909.awsdns-49.net has 205.251.195.141 and 2600:9000:5303:8d00::1; ns-1520.awsdns-62.org has 205.251.197.240 and 2600:9000:5305:f000::1; ns-1967.awsdns-53.co.uk has 205.251.199.175 and 2600:9000:5307:af00::1.