`mattermost.dev`

DNSSEC	⚠️ Not signed
A	3.174.59.13^{🇺🇸 Amazon3.174.58.0/23}
		PTR	`server-3-174-59-13.gig52.r.cloudfront.net`
A	3.174.59.50^{🇺🇸 Amazon3.174.58.0/23}
A	3.174.59.81^{🇺🇸 Amazon3.174.58.0/23}
A	3.174.59.91^{🇺🇸 Amazon3.174.58.0/23}
NS	`ns-644.awsdns-16.net` ⭐
		A	2600:9000:5302:8400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-644.awsdns-16.net`
		A	205.251.194.132^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-644.awsdns-16.net`
NS	`ns-1308.awsdns-35.org`
		A	2600:9000:5305:1c00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1308.awsdns-35.org`
		A	205.251.197.28^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1308.awsdns-35.org`
NS	`ns-155.awsdns-19.com`
		A	2600:9000:5300:9b00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-155.awsdns-19.com`
		A	205.251.192.155^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-155.awsdns-19.com`
NS	`ns-1552.awsdns-02.co.uk`
		A	2600:9000:5306:1000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1552.awsdns-02.co.uk`
		A	205.251.198.16^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1552.awsdns-02.co.uk`
SOA	`ns-644.awsdns-16.net`awsdns-hostmaster@amazon.com serial=1

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Same first word

mattermost.cloud

mattermost.s3.amazonaws.com

mattermost.org

mattermost.dev

mattermost.net

mattermost.at

mattermost.ru

mattermost.chat

mattermost.com

Similar names

smarttotem.com

smarttotem.fr

DNS History

44 records (8 active, 36 former)

●NSns-1308.awsdns-35.org2026-02-21 → 2026-04-11 · 2 obs

● 2026-02-21 17:38:54
● 2026-04-11 17:55:04

●NSns-155.awsdns-19.com2026-02-21 → 2026-04-11 · 2 obs

● 2026-02-21 17:38:54
● 2026-04-11 17:55:04

●NSns-1552.awsdns-02.co.uk2026-02-21 → 2026-04-11 · 2 obs

● 2026-02-21 17:38:54
● 2026-04-11 17:55:04

●NSns-644.awsdns-16.net2026-02-21 → 2026-04-11 · 2 obs

● 2026-02-21 17:38:54
● 2026-04-11 17:55:04

○A108.158.147.1282026-03-28 → 2026-04-11 · 15 obs

○ 2026-03-28 12:23:46
● 2026-03-28 22:07:30
○ 2026-03-29 05:07:02
● 2026-03-29 12:33:04
○ 2026-03-30 01:54:26
○ 2026-03-30 14:43:44
● 2026-03-31 02:45:36
○ 2026-03-31 12:12:00
○ 2026-04-09 02:22:34
● 2026-04-09 09:52:02
○ 2026-04-09 16:30:26
○ 2026-04-11 12:07:30
● 2026-04-11 12:45:34
○ 2026-04-11 16:06:10
○ 2026-04-11 17:55:04

○A108.158.147.482026-03-28 → 2026-04-11 · 15 obs

○A108.158.147.612026-03-28 → 2026-04-11 · 15 obs

○A108.158.147.952026-03-28 → 2026-04-11 · 15 obs

○A13.33.235.252026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:30:46
● 2026-03-27 02:30:02
○ 2026-03-27 05:35:30
○ 2026-04-11 17:55:04

○A13.33.235.412026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:30:46
● 2026-03-27 02:30:02
○ 2026-03-27 05:35:30
○ 2026-04-11 17:55:04

○A13.33.235.72026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:30:46
● 2026-03-27 02:30:02
○ 2026-03-27 05:35:30
○ 2026-04-11 17:55:04

○A13.33.235.792026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-27 01:30:46
● 2026-03-27 02:30:02
○ 2026-03-27 05:35:30
○ 2026-04-11 17:55:04

○A13.35.93.252026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 03:20:34
● 2026-03-08 18:41:32
○ 2026-03-09 03:06:56
○ 2026-04-11 17:55:04

○A13.35.93.32026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 03:20:34
● 2026-03-08 18:41:32
○ 2026-03-09 03:06:56
○ 2026-04-11 17:55:04

○A13.35.93.772026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 03:20:34
● 2026-03-08 18:41:32
○ 2026-03-09 03:06:56
○ 2026-04-11 17:55:04

○A13.35.93.922026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 03:20:34
● 2026-03-08 18:41:32
○ 2026-03-09 03:06:56
○ 2026-04-11 17:55:04

○A18.165.201.312026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 17:54:52
● 2026-03-21 02:15:26
○ 2026-03-21 09:19:56
○ 2026-04-11 17:55:04

○A18.165.201.352026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 17:54:52
● 2026-03-21 02:15:26
○ 2026-03-21 09:19:56
○ 2026-04-11 17:55:04

○A18.165.201.372026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 17:54:52
● 2026-03-21 02:15:26
○ 2026-03-21 09:19:56
○ 2026-04-11 17:55:04

○A18.165.201.622026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 17:54:52
● 2026-03-21 02:15:26
○ 2026-03-21 09:19:56
○ 2026-04-11 17:55:04

○A18.245.218.1152026-03-04 → 2026-04-11 · 54 obs

○ 2026-02-21 17:38:54
● 2026-03-04 10:02:32
○ 2026-03-05 03:01:32
○ 2026-03-06 02:02:32
● 2026-03-06 03:10:26
○ 2026-03-07 01:17:34
● 2026-03-07 03:20:34
○ 2026-03-08 18:41:32
● 2026-03-09 03:06:56
● 2026-03-13 01:51:42
○ 2026-03-14 00:27:26
● 2026-03-14 06:44:58
● 2026-03-15 07:12:36
○ 2026-03-15 19:57:52
● 2026-03-15 21:29:02
● 2026-03-18 02:34:16
○ 2026-03-18 14:46:24
● 2026-03-20 17:54:52
○ 2026-03-21 02:15:26
● 2026-03-21 09:19:56
○ 2026-03-21 11:11:40
● 2026-03-21 11:58:16
● 2026-03-27 01:30:46
○ 2026-03-27 02:30:02
● 2026-03-27 05:35:30
● 2026-03-28 02:05:14
○ 2026-03-28 07:01:32
● 2026-03-28 12:23:46
○ 2026-03-28 22:07:30
● 2026-03-29 05:07:02
○ 2026-03-29 12:33:04
● 2026-03-30 01:54:26
● 2026-03-30 14:43:44
○ 2026-03-31 02:45:36
● 2026-03-31 12:12:00
● 2026-04-01 09:12:12
○ 2026-04-01 17:36:08
● 2026-04-02 03:11:46
● 2026-04-03 19:43:02
○ 2026-04-03 21:28:56
○ 2026-04-04 02:47:32
● 2026-04-05 02:46:46
● 2026-04-08 01:59:48
○ 2026-04-08 13:28:52
● 2026-04-09 02:22:34
○ 2026-04-09 09:52:02
○ 2026-04-09 16:30:26
● 2026-04-10 00:04:58
● 2026-04-11 04:53:38
○ 2026-04-11 12:07:30
○ 2026-04-11 12:45:34
● 2026-04-11 16:06:10
○ 2026-04-11 17:55:02
○ 2026-04-11 17:55:04

○A18.245.218.1162026-03-04 → 2026-04-11 · 54 obs

○A18.245.218.212026-03-04 → 2026-04-11 · 54 obs

○A18.245.218.302026-03-04 → 2026-04-11 · 54 obs

○A3.170.42.1202026-03-05 → 2026-03-28 · 19 obs

○ 2026-03-04 10:02:32
● 2026-03-05 03:01:32
○ 2026-03-06 02:02:32
○ 2026-03-06 03:10:26
● 2026-03-07 01:17:34
○ 2026-03-07 03:20:34
○ 2026-03-13 01:51:42
● 2026-03-14 00:27:26
○ 2026-03-14 06:44:58
○ 2026-03-15 07:12:36
● 2026-03-15 19:57:52
○ 2026-03-15 21:29:02
○ 2026-03-21 09:19:56
● 2026-03-21 11:11:40
○ 2026-03-21 11:58:16
○ 2026-03-28 02:05:14
● 2026-03-28 07:01:32
○ 2026-03-28 12:23:46
○ 2026-04-11 17:55:04

○A3.170.42.1292026-03-05 → 2026-03-28 · 19 obs

○A3.170.42.372026-03-05 → 2026-03-28 · 19 obs

○A3.170.42.432026-03-05 → 2026-03-28 · 19 obs

○A3.174.29.1062026-04-08 → 2026-04-11 · 10 obs

○ 2026-04-08 01:59:48
● 2026-04-08 13:28:52
○ 2026-04-09 02:22:34
○ 2026-04-09 09:52:02
● 2026-04-09 16:30:26
○ 2026-04-10 00:04:58
○ 2026-04-11 04:53:38
● 2026-04-11 12:07:30
○ 2026-04-11 12:45:34
○ 2026-04-11 17:55:04

○A3.174.29.562026-04-08 → 2026-04-11 · 10 obs

○A3.174.29.572026-04-08 → 2026-04-11 · 10 obs

○A3.174.29.692026-04-08 → 2026-04-11 · 10 obs

●A3.174.59.132026-04-03 → 2026-04-11 · 6 obs

○ 2026-04-03 19:43:02
● 2026-04-03 21:28:56
○ 2026-04-04 02:47:32
○ 2026-04-11 16:06:10
● 2026-04-11 17:55:02
● 2026-04-11 17:55:04

●A3.174.59.502026-04-03 → 2026-04-11 · 6 obs

○ 2026-04-03 19:43:02
● 2026-04-03 21:28:56
○ 2026-04-04 02:47:32
○ 2026-04-11 16:06:10
● 2026-04-11 17:55:02
● 2026-04-11 17:55:04

●A3.174.59.812026-04-03 → 2026-04-11 · 6 obs

○ 2026-04-03 19:43:02
● 2026-04-03 21:28:56
○ 2026-04-04 02:47:32
○ 2026-04-11 16:06:10
● 2026-04-11 17:55:02
● 2026-04-11 17:55:04

●A3.174.59.912026-04-03 → 2026-04-11 · 6 obs

○ 2026-04-03 19:43:02
● 2026-04-03 21:28:56
○ 2026-04-04 02:47:32
○ 2026-04-11 16:06:10
● 2026-04-11 17:55:02
● 2026-04-11 17:55:04

○A54.230.253.1052026-04-01 → 2026-04-04 · 7 obs

○ 2026-04-01 09:12:12
● 2026-04-01 17:36:08
○ 2026-04-02 03:11:46
○ 2026-04-03 21:28:56
● 2026-04-04 02:47:32
○ 2026-04-05 02:46:46
○ 2026-04-11 17:55:04

○A54.230.253.122026-04-01 → 2026-04-04 · 7 obs

○ 2026-04-01 09:12:12
● 2026-04-01 17:36:08
○ 2026-04-02 03:11:46
○ 2026-04-03 21:28:56
● 2026-04-04 02:47:32
○ 2026-04-05 02:46:46
○ 2026-04-11 17:55:04

○A54.230.253.322026-04-01 → 2026-04-04 · 7 obs

○ 2026-04-01 09:12:12
● 2026-04-01 17:36:08
○ 2026-04-02 03:11:46
○ 2026-04-03 21:28:56
● 2026-04-04 02:47:32
○ 2026-04-05 02:46:46
○ 2026-04-11 17:55:04

○A54.230.253.622026-04-01 → 2026-04-04 · 7 obs

○ 2026-04-01 09:12:12
● 2026-04-01 17:36:08
○ 2026-04-02 03:11:46
○ 2026-04-03 21:28:56
● 2026-04-04 02:47:32
○ 2026-04-05 02:46:46
○ 2026-04-11 17:55:04

○A99.84.215.1242026-02-21 → 2026-03-18 · 9 obs

● 2026-02-21 17:38:54
○ 2026-03-04 10:02:32
○ 2026-03-05 03:01:32
● 2026-03-06 02:02:32
○ 2026-03-06 03:10:26
○ 2026-03-18 02:34:16
● 2026-03-18 14:46:24
○ 2026-03-20 17:54:52
○ 2026-04-11 17:55:04

○A99.84.215.262026-02-21 → 2026-03-18 · 9 obs

○A99.84.215.922026-02-21 → 2026-03-18 · 9 obs

○A99.84.215.992026-02-21 → 2026-03-18 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
mattermost.dev	ns-155.awsdns-19.com, ns-644.awsdns-16.net, ns-1552.awsdns-02.co.uk, ns-1308.awsdns-35.org	-

✅ Authoritative Response

Server:205.251.197.28

NS records: ns-155.awsdns-19.com, ns-644.awsdns-16.net, ns-1552.awsdns-02.co.uk, ns-1308.awsdns-35.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mattermost.dev (unsigned zone)

⏱️ Timing

Total: 794ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.174.59.13, 3.174.59.81...`
NS	4	`ns-1308.awsdns-35.org, ns-155.awsdns-19.com...`
SOA	1	`ns-644.awsdns-16.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

mattermost.dev maps to four IP numbers: 3.174.59.13, 3.174.59.50, 3.174.59.81 and 3.174.59.91.

Other host names, for instance keeppp.com, tontturi.com, hackerone.awsapps.com, capecodctc.com and d19dx5ukw51dvy.cloudfront.net share IP numbers with mattermost.dev.

Name Servers

mattermost.dev's delegation is handled by four name servers: ns-155.awsdns-19.com, ns-644.awsdns-16.net, ns-1308.awsdns-35.org and ns-1552.awsdns-02.co.uk.

mattermost.dev partially shares name servers with other domains; examples include slider-test.com, production.meinestadt.de, kaplanreecampus.com, assets.hbo.com and collaborate-corp.amazon.com.

Host names with two IPs:

ns-155.awsdns-19.com points to 2600:9000:5300:9b00::1 and 205.251.192.155

ns-644.awsdns-16.net points to 2600:9000:5302:8400::1 and 205.251.194.132

ns-1308.awsdns-35.org points to 2600:9000:5305:1c00::1 and 205.251.197.28

ns-1552.awsdns-02.co.uk points to 2600:9000:5306:1000::1 and 205.251.198.16

mattermost.dev - robtex.com

mattermost.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`mattermost.dev`

`dev`