`mdcuj356.com`

DNSSEC	⚠️ Not signed
A	3.167.37.55^{🇺🇸 Amazon3.167.32.0/21}
		PTR	`server-3-167-37-55.iad61.r.cloudfront.net`
A	3.167.37.77^{🇺🇸 Amazon3.167.32.0/21}
A	3.167.37.92^{🇺🇸 Amazon3.167.32.0/21}
A	3.167.37.113^{🇺🇸 Amazon3.167.32.0/21}
NS	`ns-348.awsdns-43.com` ⭐
		A	2600:9000:5301:5c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-348.awsdns-43.com`
		A	205.251.193.92^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-348.awsdns-43.com`
NS	`ns-1227.awsdns-25.org`
		A	2600:9000:5304:cb00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1227.awsdns-25.org`
		A	205.251.196.203^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1227.awsdns-25.org`
NS	`ns-1706.awsdns-21.co.uk`
		A	2600:9000:5306:aa00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1706.awsdns-21.co.uk`
		A	205.251.198.170^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1706.awsdns-21.co.uk`
NS	`ns-686.awsdns-21.net`
		A	2600:9000:5302:ae00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-686.awsdns-21.net`
		A	205.251.194.174^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-686.awsdns-21.net`
SOA	`ns-348.awsdns-43.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

mdcuj356.com

DNS History

28 records (8 active, 20 former)

●NSns-1227.awsdns-25.org2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 01:51:14
● 2026-03-19 08:08:02

●NSns-1706.awsdns-21.co.uk2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 01:51:14
● 2026-03-19 08:08:02

●NSns-348.awsdns-43.com2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 01:51:14
● 2026-03-19 08:08:02

●NSns-686.awsdns-21.net2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 01:51:14
● 2026-03-19 08:08:02

○A18.165.9.1262026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-06 17:27:24
● 2026-03-06 19:28:00
● 2026-03-06 20:01:58
○ 2026-03-07 00:12:18
○ 2026-03-19 08:08:02

○A18.165.9.392026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-06 17:27:24
● 2026-03-06 19:28:00
● 2026-03-06 20:01:58
○ 2026-03-07 00:12:18
○ 2026-03-19 08:08:02

○A18.165.9.712026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-06 17:27:24
● 2026-03-06 19:28:00
● 2026-03-06 20:01:58
○ 2026-03-07 00:12:18
○ 2026-03-19 08:08:02

○A18.165.9.732026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-06 17:27:24
● 2026-03-06 19:28:00
● 2026-03-06 20:01:58
○ 2026-03-07 00:12:18
○ 2026-03-19 08:08:02

○A18.172.153.1142026-02-15 → 2026-03-19 · 98 obs

● 2026-02-15 01:51:14
● 2026-02-17 03:59:34
○ 2026-02-17 17:52:06
○ 2026-02-18 23:10:38
● 2026-02-18 23:58:38
○ 2026-02-19 01:20:06
○ 2026-02-19 14:48:16
● 2026-02-19 19:37:34
○ 2026-02-19 23:18:24
○ 2026-02-20 00:15:10
● 2026-02-20 00:51:36
○ 2026-02-20 03:19:16
○ 2026-02-20 03:53:52
● 2026-02-20 10:59:22
○ 2026-02-20 11:42:50
● 2026-02-20 20:31:56
○ 2026-02-20 22:12:40
○ 2026-02-23 00:13:06
● 2026-02-23 02:54:00
○ 2026-02-23 12:03:46
● 2026-02-23 13:27:24
○ 2026-02-23 14:16:08
● 2026-02-23 15:15:16
○ 2026-02-23 20:13:40
● 2026-02-23 21:03:38
● 2026-02-24 00:14:38
○ 2026-02-24 04:46:04
○ 2026-02-24 10:50:46
● 2026-02-24 13:19:34
● 2026-02-24 20:54:26
○ 2026-02-25 00:11:58
○ 2026-02-25 14:12:28
● 2026-02-25 21:35:24
● 2026-02-25 22:14:44
○ 2026-02-26 00:11:16
● 2026-02-26 07:24:20
● 2026-02-26 22:43:24
○ 2026-02-27 03:38:30
● 2026-02-27 19:28:26
○ 2026-02-27 21:24:18
○ 2026-02-28 14:29:34
● 2026-02-28 21:20:30
○ 2026-02-28 23:53:40
○ 2026-03-03 00:25:44
● 2026-03-03 12:41:32
● 2026-03-05 06:23:22
○ 2026-03-05 10:44:42
● 2026-03-05 19:28:50
○ 2026-03-05 20:45:26
● 2026-03-05 23:44:04
● 2026-03-06 13:15:54
○ 2026-03-06 14:32:04
○ 2026-03-07 03:25:32
● 2026-03-07 12:33:02
○ 2026-03-07 23:36:50
● 2026-03-08 06:24:12
● 2026-03-10 21:28:46
○ 2026-03-11 00:12:20
● 2026-03-11 04:06:42
● 2026-03-11 07:21:02
○ 2026-03-11 13:37:06
○ 2026-03-11 16:24:44
● 2026-03-11 18:57:46
○ 2026-03-12 00:13:58
● 2026-03-12 03:56:06
○ 2026-03-12 05:27:54
○ 2026-03-12 06:24:38
● 2026-03-12 07:22:58
○ 2026-03-12 12:33:44
● 2026-03-13 01:47:54
● 2026-03-13 12:11:40
○ 2026-03-13 16:41:58
○ 2026-03-14 19:16:32
● 2026-03-14 23:56:12
● 2026-03-15 02:26:26
○ 2026-03-15 05:49:58
● 2026-03-15 13:20:00
● 2026-03-15 18:50:20
○ 2026-03-15 23:51:12
● 2026-03-16 00:58:00
○ 2026-03-16 07:53:54
○ 2026-03-16 10:13:42
● 2026-03-16 14:13:10
○ 2026-03-16 16:03:54
● 2026-03-17 02:30:38
● 2026-03-17 04:56:08
○ 2026-03-17 08:59:16
○ 2026-03-17 15:12:02
● 2026-03-17 22:53:48
● 2026-03-17 23:46:46
○ 2026-03-18 05:03:00
○ 2026-03-18 10:54:16
● 2026-03-18 13:35:26
● 2026-03-18 21:24:12
○ 2026-03-18 22:24:06
● 2026-03-19 01:26:48
○ 2026-03-19 03:14:24
○ 2026-03-19 08:08:02

○A18.172.153.132026-02-15 → 2026-03-19 · 98 obs

○A18.172.153.732026-02-15 → 2026-03-19 · 98 obs

○A18.172.153.92026-02-15 → 2026-03-19 · 98 obs

○A18.238.217.232026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 03:27:42
● 2026-02-18 04:14:20
○ 2026-02-18 04:51:34
○ 2026-03-19 08:08:02

○A18.238.217.252026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 03:27:42
● 2026-02-18 04:14:20
○ 2026-02-18 04:51:34
○ 2026-03-19 08:08:02

○A18.238.217.902026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 03:27:42
● 2026-02-18 04:14:20
○ 2026-02-18 04:51:34
○ 2026-03-19 08:08:02

○A18.238.217.982026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 03:27:42
● 2026-02-18 04:14:20
○ 2026-02-18 04:51:34
○ 2026-03-19 08:08:02

●A3.167.37.1132026-02-18 → 2026-03-19 · 74 obs

○ 2026-02-15 01:51:14
○ 2026-02-17 17:52:06
● 2026-02-18 00:58:36
○ 2026-02-18 03:27:42
○ 2026-02-18 04:51:34
● 2026-02-18 23:10:38
○ 2026-02-18 23:58:38
○ 2026-02-19 01:20:06
● 2026-02-19 05:30:42
○ 2026-02-19 14:48:16
○ 2026-02-19 23:18:24
● 2026-02-20 00:15:10
○ 2026-02-20 00:51:36
● 2026-02-20 03:19:16
● 2026-02-20 03:53:52
○ 2026-02-20 10:59:22
● 2026-02-20 11:42:50
○ 2026-02-20 20:31:56
○ 2026-02-20 22:12:40
● 2026-02-21 00:11:34
● 2026-02-23 00:13:06
○ 2026-02-23 02:54:00
○ 2026-02-24 00:14:38
● 2026-02-24 04:46:04
○ 2026-02-24 10:50:46
○ 2026-02-24 20:54:26
● 2026-02-25 00:11:58
● 2026-02-25 02:09:22
○ 2026-02-25 14:12:28
○ 2026-02-25 22:14:44
● 2026-02-26 00:11:16
○ 2026-02-26 07:24:20
○ 2026-02-27 21:24:18
● 2026-02-28 00:14:40
○ 2026-02-28 13:43:56
○ 2026-03-05 06:23:22
● 2026-03-05 10:44:42
○ 2026-03-05 19:28:50
○ 2026-03-06 14:32:04
● 2026-03-06 17:27:24
○ 2026-03-06 19:28:00
○ 2026-03-06 20:01:58
● 2026-03-07 00:12:18
● 2026-03-07 03:25:32
○ 2026-03-07 12:33:02
○ 2026-03-10 21:28:46
● 2026-03-11 00:12:20
○ 2026-03-11 04:06:42
○ 2026-03-11 07:21:02
● 2026-03-11 13:37:06
● 2026-03-11 16:24:44
○ 2026-03-11 18:57:46
● 2026-03-12 00:13:58
○ 2026-03-12 03:56:06
○ 2026-03-13 22:58:40
● 2026-03-14 00:10:38
○ 2026-03-14 12:46:52
○ 2026-03-14 15:30:26
● 2026-03-14 16:35:08
● 2026-03-14 18:45:46
○ 2026-03-14 19:16:32
○ 2026-03-15 02:26:26
● 2026-03-15 05:49:58
○ 2026-03-15 13:20:00
○ 2026-03-16 00:58:00
● 2026-03-16 07:53:54
● 2026-03-16 10:13:42
○ 2026-03-16 14:13:10
○ 2026-03-18 21:24:12
● 2026-03-18 22:24:06
○ 2026-03-19 01:26:48
○ 2026-03-19 03:14:24
● 2026-03-19 08:07:58
● 2026-03-19 08:08:02

●A3.167.37.552026-02-18 → 2026-03-19 · 74 obs

●A3.167.37.772026-02-18 → 2026-03-19 · 74 obs

●A3.167.37.922026-02-18 → 2026-03-19 · 74 obs

○A3.168.102.342026-03-07 → 2026-03-14 · 11 obs

○ 2026-03-07 12:33:02
● 2026-03-07 23:36:50
○ 2026-03-08 06:24:12
○ 2026-03-13 16:41:58
● 2026-03-13 20:22:46
○ 2026-03-13 22:58:40
○ 2026-03-14 12:46:52
● 2026-03-14 13:26:56
● 2026-03-14 15:30:26
○ 2026-03-14 16:35:08
○ 2026-03-19 08:08:02

○A3.168.102.442026-03-07 → 2026-03-14 · 11 obs

○A3.168.102.472026-03-07 → 2026-03-14 · 11 obs

○A3.168.102.622026-03-07 → 2026-03-14 · 11 obs

○A99.84.215.112026-02-17 → 2026-03-19 · 81 obs

○ 2026-02-17 03:59:34
● 2026-02-17 17:52:06
○ 2026-02-18 00:58:36
● 2026-02-18 03:27:42
○ 2026-02-18 04:14:20
● 2026-02-18 04:51:34
○ 2026-02-18 23:10:38
○ 2026-02-18 23:58:38
● 2026-02-19 01:20:06
○ 2026-02-19 05:30:42
● 2026-02-19 14:48:16
○ 2026-02-19 19:37:34
● 2026-02-19 23:18:24
○ 2026-02-20 00:15:10
○ 2026-02-20 20:31:56
● 2026-02-20 22:12:40
○ 2026-02-21 00:11:34
○ 2026-02-23 02:54:00
● 2026-02-23 12:03:46
○ 2026-02-23 13:27:24
● 2026-02-23 14:16:08
○ 2026-02-23 15:15:16
● 2026-02-23 20:13:40
○ 2026-02-23 21:03:38
○ 2026-02-24 04:46:04
● 2026-02-24 10:50:46
○ 2026-02-24 13:19:34
○ 2026-02-25 02:09:22
● 2026-02-25 14:12:28
○ 2026-02-25 21:35:24
○ 2026-02-26 22:43:24
● 2026-02-27 03:38:30
○ 2026-02-27 19:28:26
● 2026-02-27 21:24:18
○ 2026-02-28 00:14:40
● 2026-02-28 13:43:56
● 2026-02-28 14:29:34
○ 2026-02-28 21:20:30
● 2026-02-28 23:53:40
● 2026-03-03 00:25:44
○ 2026-03-03 12:41:32
○ 2026-03-05 19:28:50
● 2026-03-05 20:45:26
○ 2026-03-05 23:44:04
○ 2026-03-06 13:15:54
● 2026-03-06 14:32:04
○ 2026-03-06 17:27:24
○ 2026-03-12 03:56:06
● 2026-03-12 05:27:54
● 2026-03-12 06:24:38
○ 2026-03-12 07:22:58
● 2026-03-12 12:33:44
○ 2026-03-13 01:47:54
○ 2026-03-13 12:11:40
● 2026-03-13 16:41:58
○ 2026-03-13 20:22:46
● 2026-03-13 22:58:40
○ 2026-03-14 00:10:38
● 2026-03-14 12:46:52
○ 2026-03-14 13:26:56
○ 2026-03-14 18:45:46
● 2026-03-14 19:16:32
○ 2026-03-14 23:56:12
○ 2026-03-15 18:50:20
● 2026-03-15 23:51:12
○ 2026-03-16 00:58:00
○ 2026-03-16 14:13:10
● 2026-03-16 16:03:54
○ 2026-03-17 02:30:38
○ 2026-03-17 04:56:08
● 2026-03-17 08:59:16
● 2026-03-17 15:12:02
○ 2026-03-17 22:53:48
○ 2026-03-17 23:46:46
● 2026-03-18 05:03:00
● 2026-03-18 10:54:16
○ 2026-03-18 13:35:26
○ 2026-03-19 01:26:48
● 2026-03-19 03:14:24
○ 2026-03-19 08:07:58
○ 2026-03-19 08:08:02

○A99.84.215.1122026-02-17 → 2026-03-19 · 81 obs

○A99.84.215.1242026-02-17 → 2026-03-19 · 81 obs

○A99.84.215.882026-02-17 → 2026-03-19 · 81 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mdcuj356.com	ns-686.awsdns-21.net, ns-348.awsdns-43.com, ns-1706.awsdns-21.co.uk, ns-1227.awsdns-25.org	1 record

✅ Authoritative Response

Server: 205.251.194.174

NS records: ns-686.awsdns-21.net, ns-348.awsdns-43.com, ns-1706.awsdns-21.co.uk, ns-1227.awsdns-25.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdcuj356.com (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.37.77, 3.167.37.55...`
NS	4	`ns-1227.awsdns-25.org, ns-1706.awsdns-21.co.uk...`
SOA	1	`ns-348.awsdns-43.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-348.awsdns-43.com)

Analysis

IP Addresses

mdcuj356.com resolves to four IPs: 3.167.37.55, 3.167.37.77, 3.167.37.92 and 3.167.37.113.

Name Servers

mdcuj356.com is delegated to four name servers: ns-348.awsdns-43.com, ns-686.awsdns-21.net, ns-1227.awsdns-25.org and ns-1706.awsdns-21.co.uk.

mdcuj356.com shares some name servers with other domains, for example rockaway-beach-rentals.com, visityellowstonepark.com, nikestoreservice.co.kr, jadeeagleson.link and d1a3nx2ww5eb65.cloudfront.net.

These name servers are commonly used together with ns-1645.awsdns-13.co.uk and ns-203.awsdns-25.com.

Host names with two IP numbers

Two IPs per host:

ns-348.awsdns-43.com points to 2600:9000:5301:5c00::1 and 205.251.193.92

ns-686.awsdns-21.net points to 2600:9000:5302:ae00::1 and 205.251.194.174

ns-1227.awsdns-25.org points to 2600:9000:5304:cb00::1 and 205.251.196.203

ns-1706.awsdns-21.co.uk points to 2600:9000:5306:aa00::1 and 205.251.198.170

mdcuj356.com - robtex.com

mdcuj356.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`mdcuj356.com`

`com`