`k4tsu.net`

DNSSEC	⚠️ Not signed
A	13.33.109.46^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-46.bos50.r.cloudfront.net`
A	13.33.109.61^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.114^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.121^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
NS	`ns-1626.awsdns-11.co.uk` ⭐
		A	2600:9000:5306:5a00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1626.awsdns-11.co.uk`
		A	205.251.198.90^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1626.awsdns-11.co.uk`
NS	`ns-1334.awsdns-38.org`
		A	2600:9000:5305:3600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1334.awsdns-38.org`
		A	205.251.197.54^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1334.awsdns-38.org`
NS	`ns-438.awsdns-54.com`
		A	2600:9000:5301:b600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-438.awsdns-54.com`
		A	205.251.193.182^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-438.awsdns-54.com`
NS	`ns-917.awsdns-50.net`
		A	2600:9000:5303:9500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-917.awsdns-50.net`
		A	205.251.195.149^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-917.awsdns-50.net`
SOA	`ns-1626.awsdns-11.co.uk`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1778386666

Same first word

k4tsu.net

DNS History

48 records (8 active, 40 former)

●NSns-1334.awsdns-38.org2026-03-19 → 2026-05-10 · 2 obs

● 2026-03-19 22:45:36
● 2026-05-10 04:24:08

●NSns-1626.awsdns-11.co.uk2026-03-19 → 2026-05-10 · 2 obs

● 2026-03-19 22:45:36
● 2026-05-10 04:24:08

●NSns-438.awsdns-54.com2026-03-19 → 2026-05-10 · 2 obs

● 2026-03-19 22:45:36
● 2026-05-10 04:24:08

●NSns-917.awsdns-50.net2026-03-19 → 2026-05-10 · 2 obs

● 2026-03-19 22:45:36
● 2026-05-10 04:24:08

○A108.156.60.1182026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 04:20:38
● 2026-03-23 23:28:20
○ 2026-03-27 01:13:48
○ 2026-05-10 04:24:08

○A108.156.60.292026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 04:20:38
● 2026-03-23 23:28:20
○ 2026-03-27 01:13:48
○ 2026-05-10 04:24:08

○A108.156.60.352026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 04:20:38
● 2026-03-23 23:28:20
○ 2026-03-27 01:13:48
○ 2026-05-10 04:24:08

○A108.156.60.632026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 04:20:38
● 2026-03-23 23:28:20
○ 2026-03-27 01:13:48
○ 2026-05-10 04:24:08

○A13.224.125.1142026-03-28 → 2026-04-24 · 25 obs

○ 2026-03-28 13:36:40
● 2026-03-28 20:11:06
○ 2026-03-31 03:12:26
○ 2026-04-01 00:49:02
● 2026-04-01 07:46:24
○ 2026-04-02 03:30:20
○ 2026-04-11 01:44:44
● 2026-04-12 23:47:48
○ 2026-04-13 09:21:14
○ 2026-04-14 01:54:02
● 2026-04-14 03:58:20
○ 2026-04-14 04:38:54
● 2026-04-14 18:16:40
○ 2026-04-15 11:25:46
○ 2026-04-21 00:51:18
● 2026-04-21 10:40:06
○ 2026-04-22 12:45:10
○ 2026-04-24 00:52:36
● 2026-04-24 04:13:18
○ 2026-04-24 07:34:54
● 2026-04-24 08:47:32
○ 2026-04-24 10:33:12
● 2026-04-24 17:58:54
○ 2026-04-24 23:03:52
○ 2026-05-10 04:24:08

○A13.224.125.332026-03-28 → 2026-04-24 · 25 obs

○A13.224.125.712026-03-28 → 2026-04-24 · 25 obs

○A13.224.125.812026-03-28 → 2026-04-24 · 25 obs

○A13.226.144.1202026-03-20 → 2026-05-09 · 51 obs

○ 2026-03-19 22:45:36
● 2026-03-20 01:45:08
○ 2026-03-20 02:47:16
○ 2026-03-22 03:07:00
● 2026-03-22 19:47:12
● 2026-03-22 20:48:40
○ 2026-03-23 02:06:48
● 2026-03-23 04:20:38
○ 2026-03-23 23:28:20
○ 2026-03-27 01:13:48
● 2026-03-27 02:33:16
○ 2026-03-28 12:37:58
● 2026-03-28 13:36:40
○ 2026-03-28 20:11:06
● 2026-03-31 03:12:26
● 2026-04-01 00:49:02
○ 2026-04-01 07:46:24
● 2026-04-02 03:30:20
● 2026-04-07 10:25:30
○ 2026-04-07 15:32:50
● 2026-04-07 18:31:02
● 2026-04-10 00:07:06
○ 2026-04-10 07:58:54
○ 2026-04-11 00:25:04
● 2026-04-11 01:44:44
○ 2026-04-12 23:47:48
○ 2026-04-13 18:08:10
● 2026-04-14 01:54:02
○ 2026-04-14 03:58:20
● 2026-04-14 04:38:54
○ 2026-04-14 18:16:40
● 2026-04-15 11:25:46
● 2026-04-21 00:51:18
○ 2026-04-21 10:40:06
● 2026-04-22 12:45:10
● 2026-04-24 00:52:36
○ 2026-04-24 04:13:18
○ 2026-04-24 08:47:32
● 2026-04-24 10:33:12
○ 2026-04-24 17:58:54
○ 2026-04-25 00:39:10
● 2026-04-25 02:18:10
● 2026-04-26 02:00:26
○ 2026-04-26 04:13:16
● 2026-04-26 07:57:12
○ 2026-04-27 13:34:24
○ 2026-05-05 14:19:14
● 2026-05-06 16:17:48
● 2026-05-09 17:52:38
○ 2026-05-10 04:24:04
○ 2026-05-10 04:24:08

○A13.226.144.402026-03-20 → 2026-05-09 · 51 obs

○A13.226.144.492026-03-20 → 2026-05-09 · 51 obs

○A13.226.144.762026-03-20 → 2026-05-09 · 51 obs

●A13.33.109.1142026-04-24 → 2026-05-10 · 20 obs

○ 2026-04-24 04:13:18
● 2026-04-24 07:34:54
○ 2026-04-24 08:47:32
○ 2026-04-24 17:58:54
● 2026-04-24 23:03:52
● 2026-04-25 00:39:10
○ 2026-04-25 02:18:10
○ 2026-04-26 02:00:26
● 2026-04-26 04:13:16
○ 2026-04-26 07:57:12
○ 2026-04-29 09:53:28
● 2026-04-29 16:24:00
○ 2026-04-29 17:05:38
○ 2026-05-01 15:01:38
● 2026-05-02 06:15:36
● 2026-05-02 11:19:36
○ 2026-05-02 13:06:22
○ 2026-05-09 17:52:38
● 2026-05-10 04:24:04
● 2026-05-10 04:24:08

●A13.33.109.1212026-04-24 → 2026-05-10 · 20 obs

●A13.33.109.462026-04-24 → 2026-05-10 · 20 obs

●A13.33.109.612026-04-24 → 2026-05-10 · 20 obs

○A18.165.116.1202026-04-07 → 2026-05-05 · 7 obs

○ 2026-04-07 10:25:30
● 2026-04-07 15:32:50
○ 2026-04-07 18:31:02
○ 2026-05-05 06:55:42
● 2026-05-05 10:00:20
○ 2026-05-05 14:19:14
○ 2026-05-10 04:24:08

○A18.165.116.232026-04-07 → 2026-05-05 · 7 obs

○ 2026-04-07 10:25:30
● 2026-04-07 15:32:50
○ 2026-04-07 18:31:02
○ 2026-05-05 06:55:42
● 2026-05-05 10:00:20
○ 2026-05-05 14:19:14
○ 2026-05-10 04:24:08

○A18.165.116.722026-04-07 → 2026-05-05 · 7 obs

○ 2026-04-07 10:25:30
● 2026-04-07 15:32:50
○ 2026-04-07 18:31:02
○ 2026-05-05 06:55:42
● 2026-05-05 10:00:20
○ 2026-05-05 14:19:14
○ 2026-05-10 04:24:08

○A18.165.116.912026-04-07 → 2026-05-05 · 7 obs

○ 2026-04-07 10:25:30
● 2026-04-07 15:32:50
○ 2026-04-07 18:31:02
○ 2026-05-05 06:55:42
● 2026-05-05 10:00:20
○ 2026-05-05 14:19:14
○ 2026-05-10 04:24:08

○A18.173.219.112026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 00:07:06
● 2026-04-10 07:58:54
● 2026-04-11 00:25:04
○ 2026-04-11 01:44:44
○ 2026-05-10 04:24:08

○A18.173.219.132026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 00:07:06
● 2026-04-10 07:58:54
● 2026-04-11 00:25:04
○ 2026-04-11 01:44:44
○ 2026-05-10 04:24:08

○A18.173.219.612026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 00:07:06
● 2026-04-10 07:58:54
● 2026-04-11 00:25:04
○ 2026-04-11 01:44:44
○ 2026-05-10 04:24:08

○A18.173.219.872026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 00:07:06
● 2026-04-10 07:58:54
● 2026-04-11 00:25:04
○ 2026-04-11 01:44:44
○ 2026-05-10 04:24:08

○A3.166.152.1062026-04-28 → 2026-04-29 · 8 obs

○ 2026-04-27 20:04:04
● 2026-04-28 05:03:38
○ 2026-04-28 06:18:36
○ 2026-04-28 19:52:04
● 2026-04-29 02:36:46
● 2026-04-29 04:16:08
○ 2026-04-29 09:53:28
○ 2026-05-10 04:24:08

○A3.166.152.322026-04-28 → 2026-04-29 · 8 obs

○ 2026-04-27 20:04:04
● 2026-04-28 05:03:38
○ 2026-04-28 06:18:36
○ 2026-04-28 19:52:04
● 2026-04-29 02:36:46
● 2026-04-29 04:16:08
○ 2026-04-29 09:53:28
○ 2026-05-10 04:24:08

○A3.166.152.572026-04-28 → 2026-04-29 · 8 obs

○ 2026-04-27 20:04:04
● 2026-04-28 05:03:38
○ 2026-04-28 06:18:36
○ 2026-04-28 19:52:04
● 2026-04-29 02:36:46
● 2026-04-29 04:16:08
○ 2026-04-29 09:53:28
○ 2026-05-10 04:24:08

○A3.166.152.942026-04-28 → 2026-04-29 · 8 obs

○ 2026-04-27 20:04:04
● 2026-04-28 05:03:38
○ 2026-04-28 06:18:36
○ 2026-04-28 19:52:04
● 2026-04-29 02:36:46
● 2026-04-29 04:16:08
○ 2026-04-29 09:53:28
○ 2026-05-10 04:24:08

○A3.169.252.1202026-03-19 → 2026-03-20 · 6 obs

● 2026-03-19 22:45:36
○ 2026-03-20 01:45:08
● 2026-03-20 02:47:16
● 2026-03-20 12:52:40
○ 2026-03-21 00:13:54
○ 2026-05-10 04:24:08

○A3.169.252.152026-03-19 → 2026-03-20 · 6 obs

● 2026-03-19 22:45:36
○ 2026-03-20 01:45:08
● 2026-03-20 02:47:16
● 2026-03-20 12:52:40
○ 2026-03-21 00:13:54
○ 2026-05-10 04:24:08

○A3.169.252.82026-03-19 → 2026-03-20 · 6 obs

● 2026-03-19 22:45:36
○ 2026-03-20 01:45:08
● 2026-03-20 02:47:16
● 2026-03-20 12:52:40
○ 2026-03-21 00:13:54
○ 2026-05-10 04:24:08

○A3.169.252.962026-03-19 → 2026-03-20 · 6 obs

● 2026-03-19 22:45:36
○ 2026-03-20 01:45:08
● 2026-03-20 02:47:16
● 2026-03-20 12:52:40
○ 2026-03-21 00:13:54
○ 2026-05-10 04:24:08

○A3.170.42.282026-03-21 → 2026-04-13 · 17 obs

○ 2026-03-20 12:52:40
● 2026-03-21 00:13:54
● 2026-03-22 03:07:00
○ 2026-03-22 19:47:12
○ 2026-03-22 20:48:40
● 2026-03-23 02:06:48
○ 2026-03-23 04:20:38
○ 2026-03-23 23:28:20
● 2026-03-27 01:13:48
○ 2026-03-27 02:33:16
● 2026-03-28 12:37:58
○ 2026-03-28 13:36:40
○ 2026-04-12 23:47:48
● 2026-04-13 09:21:14
● 2026-04-13 18:08:10
○ 2026-04-14 01:54:02
○ 2026-05-10 04:24:08

○A3.170.42.572026-03-21 → 2026-04-13 · 17 obs

○A3.170.42.632026-03-21 → 2026-04-13 · 17 obs

○A3.170.42.732026-03-21 → 2026-04-13 · 17 obs

○A3.174.141.252026-04-27 → 2026-05-05 · 17 obs

○ 2026-04-27 13:34:24
● 2026-04-27 20:04:04
○ 2026-04-28 05:03:38
● 2026-04-28 06:18:36
● 2026-04-28 19:52:04
○ 2026-04-29 02:36:46
○ 2026-04-29 16:24:00
● 2026-04-29 17:05:38
● 2026-05-01 15:01:38
○ 2026-05-02 06:15:36
○ 2026-05-02 11:19:36
● 2026-05-02 13:06:22
● 2026-05-05 06:55:42
○ 2026-05-05 10:00:20
● 2026-05-05 14:19:14
○ 2026-05-06 16:17:48
○ 2026-05-10 04:24:08

○A3.174.141.82026-04-27 → 2026-05-05 · 17 obs

○A3.174.141.882026-04-27 → 2026-05-05 · 17 obs

○A3.174.141.932026-04-27 → 2026-05-05 · 17 obs

○A54.240.184.1022026-04-27 → 2026-04-29 · 7 obs

○ 2026-04-26 07:57:12
● 2026-04-27 13:34:24
○ 2026-04-27 20:04:04
○ 2026-04-29 04:16:08
● 2026-04-29 09:53:28
○ 2026-04-29 16:24:00
○ 2026-05-10 04:24:08

○A54.240.184.422026-04-27 → 2026-04-29 · 7 obs

○ 2026-04-26 07:57:12
● 2026-04-27 13:34:24
○ 2026-04-27 20:04:04
○ 2026-04-29 04:16:08
● 2026-04-29 09:53:28
○ 2026-04-29 16:24:00
○ 2026-05-10 04:24:08

○A54.240.184.942026-04-27 → 2026-04-29 · 7 obs

○ 2026-04-26 07:57:12
● 2026-04-27 13:34:24
○ 2026-04-27 20:04:04
○ 2026-04-29 04:16:08
● 2026-04-29 09:53:28
○ 2026-04-29 16:24:00
○ 2026-05-10 04:24:08

○A54.240.184.992026-04-27 → 2026-04-29 · 7 obs

○ 2026-04-26 07:57:12
● 2026-04-27 13:34:24
○ 2026-04-27 20:04:04
○ 2026-04-29 04:16:08
● 2026-04-29 09:53:28
○ 2026-04-29 16:24:00
○ 2026-05-10 04:24:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
k4tsu.net	ns-438.awsdns-54.com, ns-917.awsdns-50.net, ns-1626.awsdns-11.co.uk, ns-1334.awsdns-38.org	2 records

✅ Authoritative Response

Server:205.251.193.182

NS records: ns-438.awsdns-54.com, ns-917.awsdns-50.net, ns-1626.awsdns-11.co.uk, ns-1334.awsdns-38.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k4tsu.net (unsigned zone)

⏱️ Timing

Total: 512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.114, 13.33.109.46...`
NS	4	`ns-1334.awsdns-38.org, ns-1626.awsdns-11.co.uk...`
SOA	1	`ns-1626.awsdns-11.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-917.awsdns-50.net, ns-917.awsdns-50.net)

Analysis

IP Addresses

k4tsu.net maps to four IP numbers: 13.33.109.46, 13.33.109.61, 13.33.109.114 and 13.33.109.121.

Other host names, for instance acc-s.wetransfer.com, moderncodpiece.com, lv2luh.launches.appsflyersdk.com, pentair.wetransfer.com and admin.dayrobo.com share IP numbers with k4tsu.net.

Name Servers

k4tsu.net is delegated to four name servers: ns-438.awsdns-54.com, ns-917.awsdns-50.net, ns-1334.awsdns-38.org and ns-1626.awsdns-11.co.uk.

k4tsu.net at least partially shares name servers with other domains such as supersaas.es, laab2.com, apica.fi, ishikawakogyou.jp and 112.56.64.in-addr.arpa.

Host names with two IP numbers:

ns-438.awsdns-54.com points to 2600:9000:5301:b600::1 and 205.251.193.182

ns-917.awsdns-50.net points to 2600:9000:5303:9500::1 and 205.251.195.149

ns-1334.awsdns-38.org points to 2600:9000:5305:3600::1 and 205.251.197.54

ns-1626.awsdns-11.co.uk points to 2600:9000:5306:5a00::1 and 205.251.198.90

k4tsu.net - robtex.com

k4tsu.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`k4tsu.net`

`net`