simdut.org - dns.ninja

`simdut.org`

DNSSEC	⚠️ Not signed
A	3.167.56.7^{🇺🇸 Amazon3.167.56.0/23}
		PTR	`server-3-167-56-7.iad61.r.cloudfront.net`
A	3.167.56.33^{🇺🇸 Amazon3.167.56.0/23}
A	3.167.56.35^{🇺🇸 Amazon3.167.56.0/23}
A	3.167.56.108^{🇺🇸 Amazon3.167.56.0/23}
NS	`ns-377.awsdns-47.com` ⭐
		A	2600:9000:5301:7900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-377.awsdns-47.com`
		A	205.251.193.121^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-377.awsdns-47.com`
NS	`ns-1527.awsdns-62.org`
		A	2600:9000:5305:f700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1527.awsdns-62.org`
		A	205.251.197.247^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1527.awsdns-62.org`
NS	`ns-1605.awsdns-08.co.uk`
		A	2600:9000:5306:4500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1605.awsdns-08.co.uk`
		A	205.251.198.69^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1605.awsdns-08.co.uk`
NS	`ns-764.awsdns-31.net`
		A	2600:9000:5302:fc00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-764.awsdns-31.net`
		A	205.251.194.252^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-764.awsdns-31.net`
MX	`newman.ccohs.ca` ⭐
		A	205.193.209.11^{🇨🇦 AS11079205.193.209.0/24 Government of Canada, Shared Services Canada}
			PTR	`mail.ccohs.ca`
SOA	`ns-377.awsdns-47.com`awsdns-hostmaster@amazon.com serial=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.info`hostmaster@donuts.email serial=1786111181

PTR for

163.104.82.192.in-addr.arpa

Same first word

simdut.com.br

simdut.gc.ca

simdut.org

Similar names

tmsudi.com

sdimut.com

dimtus.com

midust.com

studim.com.br

mtsudi.com

ustimd.cc

mudits.com

mitsdu.dk

studim.com

tsmudi.com

itmsud.be

imusdt.org

stidum.com

tidmus.com

distum.com.mx

dumist.com

studim.ru

DNS History

74 records (9 active, 65 former)

○NSbogey.ccohs.ca2015-07-16 → 2017-09-15 · 4 obs

● 2015-07-16 10:02:26
● 2017-09-15 04:44:14
○ 2026-02-16 14:48:50
○ 2026-08-07 14:43:22

○NSbuster.ccohs.ca2015-07-16 → 2017-09-15 · 4 obs

● 2015-07-16 10:02:26
● 2017-09-15 04:44:14
○ 2026-02-16 14:48:50
○ 2026-08-07 14:43:22

●NSns-1527.awsdns-62.org2026-02-16 → 2026-08-07 · 3 obs

○ 2017-09-15 04:44:14
● 2026-02-16 14:48:50
● 2026-08-07 14:43:22

●NSns-1605.awsdns-08.co.uk2026-02-16 → 2026-08-07 · 3 obs

○ 2017-09-15 04:44:14
● 2026-02-16 14:48:50
● 2026-08-07 14:43:22

●NSns-377.awsdns-47.com2026-02-16 → 2026-08-07 · 3 obs

○ 2017-09-15 04:44:14
● 2026-02-16 14:48:50
● 2026-08-07 14:43:22

●NSns-764.awsdns-31.net2026-02-16 → 2026-08-07 · 3 obs

○ 2017-09-15 04:44:14
● 2026-02-16 14:48:50
● 2026-08-07 14:43:22

○NSnsah.nas.net2015-07-16 → 2017-09-15 · 4 obs

● 2015-07-16 10:02:26
● 2017-09-15 04:44:14
○ 2026-02-16 14:48:50
○ 2026-08-07 14:43:22

○NSnsat.nas.net2015-07-16 → 2017-09-15 · 4 obs

● 2015-07-16 10:02:26
● 2017-09-15 04:44:14
○ 2026-02-16 14:48:50
○ 2026-08-07 14:43:22

●MXnewman.ccohs.ca2015-07-16 → 2026-08-07 · 2 obs

● 2015-07-16 10:02:26
● 2026-08-07 14:43:22

○A108.157.150.1222026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 00:22:32
● 2026-06-05 18:06:12
○ 2026-06-06 06:26:34
○ 2026-08-07 14:43:22

○A108.157.150.402026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 00:22:32
● 2026-06-05 18:06:12
○ 2026-06-06 06:26:34
○ 2026-08-07 14:43:22

○A108.157.150.442026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 00:22:32
● 2026-06-05 18:06:12
○ 2026-06-06 06:26:34
○ 2026-08-07 14:43:22

○A108.157.150.962026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 00:22:32
● 2026-06-05 18:06:12
○ 2026-06-06 06:26:34
○ 2026-08-07 14:43:22

○A13.32.179.1292026-04-03 → 2026-07-30 · 50 obs

○ 2026-04-01 15:48:40
● 2026-04-03 17:03:08
○ 2026-04-03 17:57:12
○ 2026-04-06 21:08:28
● 2026-04-07 08:30:36
○ 2026-04-07 09:17:12
● 2026-04-07 15:35:08
○ 2026-04-07 16:51:18
○ 2026-04-19 05:07:16
● 2026-04-19 07:30:34
○ 2026-04-19 13:49:20
○ 2026-05-06 00:35:36
● 2026-05-06 05:32:32
○ 2026-05-06 11:29:58
● 2026-05-06 22:37:42
○ 2026-05-07 04:26:02
● 2026-05-07 08:20:12
○ 2026-05-07 10:41:34
○ 2026-05-25 05:04:16
● 2026-05-25 07:23:24
○ 2026-05-25 08:01:20
● 2026-06-18 21:17:24
○ 2026-06-18 21:50:32
● 2026-06-23 08:42:34
○ 2026-06-23 10:27:00
● 2026-06-23 13:27:50
○ 2026-06-23 17:15:32
● 2026-06-24 16:14:48
○ 2026-06-24 23:05:20
● 2026-06-25 16:28:40
○ 2026-06-25 21:47:08
● 2026-06-26 02:30:08
○ 2026-06-26 05:48:54
● 2026-06-26 11:19:54
○ 2026-06-26 12:34:58
● 2026-06-27 00:21:02
○ 2026-06-27 01:40:20
● 2026-06-27 04:14:46
○ 2026-06-27 11:00:54
● 2026-07-01 23:21:00
○ 2026-07-02 18:37:44
● 2026-07-28 06:50:36
○ 2026-07-29 20:12:04
● 2026-07-29 23:00:44
○ 2026-07-30 03:06:26
● 2026-07-30 09:25:28
○ 2026-07-30 11:20:28
● 2026-07-30 15:21:22
○ 2026-07-30 18:05:24
○ 2026-08-07 14:43:22

○A13.32.179.472026-04-03 → 2026-07-30 · 50 obs

○A13.32.179.632026-04-03 → 2026-07-30 · 50 obs

○A13.32.179.712026-04-03 → 2026-07-30 · 50 obs

○A13.33.109.1042026-04-16 → 2026-08-02 · 25 obs

○ 2026-02-16 14:48:50
○ 2026-04-15 13:42:10
● 2026-04-16 02:39:38
○ 2026-04-16 22:23:22
○ 2026-04-27 11:21:10
● 2026-04-27 22:03:48
○ 2026-04-28 06:50:46
○ 2026-05-10 07:24:30
● 2026-05-10 10:38:22
○ 2026-05-10 22:45:10
○ 2026-05-14 01:00:44
● 2026-05-14 11:29:54
○ 2026-05-14 21:52:42
○ 2026-05-16 10:29:54
● 2026-05-17 00:45:02
○ 2026-05-17 07:20:28
○ 2026-05-19 05:47:48
● 2026-05-19 10:55:16
○ 2026-05-20 07:40:38
○ 2026-05-26 11:22:28
● 2026-05-26 16:01:44
○ 2026-05-26 17:27:36
● 2026-08-02 16:00:50
○ 2026-08-02 21:08:22
○ 2026-08-07 14:43:22

○A13.33.109.1282026-04-16 → 2026-08-02 · 25 obs

○A13.33.109.492026-04-16 → 2026-08-02 · 25 obs

○A13.33.109.942026-04-16 → 2026-08-02 · 25 obs

○A13.33.235.322026-03-23 → 2026-07-18 · 15 obs

○ 2026-03-23 03:11:06
● 2026-03-23 08:20:06
○ 2026-03-23 17:24:20
○ 2026-03-24 01:45:04
● 2026-03-24 09:37:26
○ 2026-03-26 15:24:36
● 2026-07-11 10:32:06
○ 2026-07-12 04:24:08
● 2026-07-13 15:51:18
○ 2026-07-14 17:53:48
● 2026-07-15 02:52:02
○ 2026-07-15 06:17:34
● 2026-07-18 19:02:50
○ 2026-07-19 07:39:38
○ 2026-08-07 14:43:22

○A13.33.235.442026-03-23 → 2026-07-18 · 15 obs

○A13.33.235.702026-03-23 → 2026-07-18 · 15 obs

○A13.33.235.852026-03-23 → 2026-07-18 · 15 obs

○A13.35.107.222026-07-14 → 2026-07-31 · 20 obs

○ 2026-07-13 15:51:18
● 2026-07-14 17:53:48
○ 2026-07-15 02:52:02
● 2026-07-17 07:16:44
○ 2026-07-17 09:17:14
● 2026-07-17 23:39:16
○ 2026-07-18 07:13:44
● 2026-07-19 07:39:38
○ 2026-07-19 18:06:52
● 2026-07-20 18:13:14
○ 2026-07-21 11:17:26
● 2026-07-26 02:59:12
○ 2026-07-26 10:10:26
● 2026-07-29 20:12:04
○ 2026-07-29 23:00:44
● 2026-07-30 03:06:26
○ 2026-07-30 09:25:28
● 2026-07-31 12:34:00
○ 2026-08-01 07:21:02
○ 2026-08-07 14:43:22

○A13.35.107.572026-07-14 → 2026-07-31 · 20 obs

○A13.35.107.752026-07-14 → 2026-07-31 · 20 obs

○A13.35.107.982026-07-14 → 2026-07-31 · 20 obs

○A18.161.34.362026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 08:20:12
● 2026-05-07 10:41:34
○ 2026-05-07 14:13:16
○ 2026-08-07 14:43:22

○A18.161.34.762026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 08:20:12
● 2026-05-07 10:41:34
○ 2026-05-07 14:13:16
○ 2026-08-07 14:43:22

○A18.161.34.862026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 08:20:12
● 2026-05-07 10:41:34
○ 2026-05-07 14:13:16
○ 2026-08-07 14:43:22

○A18.161.34.982026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 08:20:12
● 2026-05-07 10:41:34
○ 2026-05-07 14:13:16
○ 2026-08-07 14:43:22

○A18.165.25.1092026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-30 23:01:26
● 2026-04-01 01:01:24
○ 2026-04-01 15:48:40
○ 2026-08-07 14:43:22

○A18.165.25.492026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-30 23:01:26
● 2026-04-01 01:01:24
○ 2026-04-01 15:48:40
○ 2026-08-07 14:43:22

○A18.165.25.822026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-30 23:01:26
● 2026-04-01 01:01:24
○ 2026-04-01 15:48:40
○ 2026-08-07 14:43:22

○A18.165.25.962026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-30 23:01:26
● 2026-04-01 01:01:24
○ 2026-04-01 15:48:40
○ 2026-08-07 14:43:22

○A18.245.86.1102026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-27 14:14:30
● 2026-05-29 05:42:04
○ 2026-05-29 06:19:14
○ 2026-08-07 14:43:22

○A18.245.86.242026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-27 14:14:30
● 2026-05-29 05:42:04
○ 2026-05-29 06:19:14
○ 2026-08-07 14:43:22

○A18.245.86.562026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-27 14:14:30
● 2026-05-29 05:42:04
○ 2026-05-29 06:19:14
○ 2026-08-07 14:43:22

○A18.245.86.602026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-27 14:14:30
● 2026-05-29 05:42:04
○ 2026-05-29 06:19:14
○ 2026-08-07 14:43:22

○A192.82.104.1632015-07-16 → 2017-09-15 · 4 obs

● 2015-07-16 10:02:26
● 2017-09-15 04:44:14
○ 2026-02-16 14:48:50
○ 2026-08-07 14:43:22

○A3.162.125.1142026-02-16 → 2026-05-26 · 25 obs

○ 2017-09-15 04:44:14
● 2026-02-16 14:48:50
● 2026-02-16 22:59:08
○ 2026-02-17 00:11:00
○ 2026-02-18 23:39:48
● 2026-02-19 04:43:02
○ 2026-02-19 13:08:58
● 2026-02-20 03:54:16
○ 2026-02-20 11:07:40
○ 2026-02-23 05:51:02
● 2026-02-23 19:11:16
○ 2026-02-23 21:12:44
○ 2026-03-22 16:07:08
● 2026-03-23 03:11:06
○ 2026-03-23 08:20:06
○ 2026-03-23 17:24:20
● 2026-03-24 01:45:04
○ 2026-03-24 09:37:26
○ 2026-03-26 15:24:36
● 2026-03-27 23:30:06
○ 2026-03-28 02:15:22
○ 2026-05-26 09:30:38
● 2026-05-26 11:22:28
○ 2026-05-26 16:01:44
○ 2026-08-07 14:43:22

○A3.162.125.1262026-02-16 → 2026-05-26 · 25 obs

○A3.162.125.192026-02-16 → 2026-05-26 · 25 obs

○A3.162.125.72026-02-16 → 2026-05-26 · 25 obs

○A3.164.182.1092026-05-27 → 2026-06-04 · 17 obs

○ 2026-05-26 17:27:36
● 2026-05-27 06:19:02
○ 2026-05-27 11:23:34
● 2026-05-27 12:18:12
○ 2026-05-27 14:14:30
○ 2026-05-29 22:34:24
● 2026-05-30 01:04:20
○ 2026-05-30 05:52:00
● 2026-05-30 16:22:32
○ 2026-05-30 17:09:20
○ 2026-06-01 19:55:08
● 2026-06-01 22:52:22
○ 2026-06-02 00:02:42
○ 2026-06-04 01:47:02
● 2026-06-04 04:26:04
○ 2026-06-04 06:20:58
○ 2026-08-07 14:43:22

○A3.164.182.172026-05-27 → 2026-06-04 · 17 obs

○A3.164.182.632026-05-27 → 2026-06-04 · 17 obs

○A3.164.182.812026-05-27 → 2026-06-04 · 17 obs

○A3.166.160.1222026-03-28 → 2026-08-05 · 75 obs

○ 2026-03-28 02:15:22
● 2026-03-28 20:10:30
● 2026-03-29 04:45:00
○ 2026-03-29 14:56:00
○ 2026-04-12 21:23:40
● 2026-04-14 11:02:52
● 2026-04-15 11:14:22
○ 2026-04-16 02:39:38
○ 2026-04-23 22:00:18
● 2026-04-25 01:20:22
○ 2026-04-25 11:59:08
○ 2026-05-29 06:19:14
● 2026-05-29 22:34:24
● 2026-05-31 05:56:28
○ 2026-06-01 15:25:10
○ 2026-06-06 17:36:38
● 2026-06-07 16:14:02
○ 2026-06-08 11:40:34
● 2026-06-09 16:02:40
● 2026-06-10 22:21:44
○ 2026-06-12 01:50:36
○ 2026-06-16 07:32:56
● 2026-06-16 15:47:10
○ 2026-06-16 22:28:10
● 2026-07-01 03:02:42
○ 2026-07-01 23:21:00
● 2026-07-02 18:37:44
○ 2026-07-03 02:39:34
● 2026-07-03 16:02:46
○ 2026-07-04 08:36:28
● 2026-07-07 14:11:38
○ 2026-07-07 14:42:10
● 2026-07-07 21:02:38
○ 2026-07-08 04:19:32
● 2026-07-08 11:55:52
○ 2026-07-11 05:31:10
● 2026-07-11 09:45:08
○ 2026-07-11 10:32:06
● 2026-07-12 04:24:08
○ 2026-07-13 15:51:18
● 2026-07-15 06:17:34
○ 2026-07-17 07:16:44
● 2026-07-17 09:17:14
○ 2026-07-17 23:39:16
● 2026-07-18 07:13:44
○ 2026-07-18 19:02:50
● 2026-07-19 18:06:52
○ 2026-07-20 05:54:20
● 2026-07-20 16:56:06
○ 2026-07-20 18:13:14
● 2026-07-21 11:17:26
○ 2026-07-23 11:33:40
● 2026-07-23 17:59:56
○ 2026-07-26 02:59:12
● 2026-07-26 10:10:26
○ 2026-07-28 06:50:36
● 2026-07-30 18:05:24
○ 2026-07-31 08:01:20
● 2026-08-01 09:58:34
○ 2026-08-01 12:49:50
● 2026-08-02 08:49:32
○ 2026-08-02 09:45:10
● 2026-08-02 12:05:18
○ 2026-08-02 13:37:00
● 2026-08-02 21:08:22
○ 2026-08-03 02:07:18
● 2026-08-03 02:46:40
○ 2026-08-03 11:29:20
● 2026-08-03 13:34:14
○ 2026-08-03 14:17:54
● 2026-08-04 06:47:22
○ 2026-08-05 03:22:18
● 2026-08-05 12:00:56
○ 2026-08-06 17:30:30
○ 2026-08-07 14:43:22

○A3.166.160.242026-03-28 → 2026-08-05 · 75 obs

○A3.166.160.602026-03-28 → 2026-08-05 · 75 obs

○A3.166.160.852026-03-28 → 2026-08-05 · 75 obs

●A3.167.56.1082026-04-19 → 2026-08-07 · 34 obs

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

●A3.167.56.332026-04-19 → 2026-08-07 · 34 obs

●A3.167.56.352026-04-19 → 2026-08-07 · 34 obs

●A3.167.56.72026-04-19 → 2026-08-07 · 34 obs

○A3.171.22.102026-05-20 → 2026-06-06 · 25 obs

○ 2026-05-20 07:40:38
● 2026-05-20 08:32:04
○ 2026-05-20 20:37:44
● 2026-05-21 01:16:48
● 2026-05-21 07:37:02
○ 2026-05-21 13:23:06
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○A3.171.22.1052026-05-20 → 2026-06-06 · 25 obs

○A3.171.22.442026-05-20 → 2026-06-06 · 25 obs

○A3.171.22.652026-05-20 → 2026-06-06 · 25 obs

○A3.174.141.292026-02-17 → 2026-06-28 · 39 obs

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○A3.174.141.62026-02-17 → 2026-06-28 · 39 obs

○A3.174.141.752026-02-17 → 2026-06-28 · 39 obs

○A3.174.141.972026-02-17 → 2026-06-28 · 39 obs

○A52.222.244.1282026-02-17 → 2026-08-05 · 55 obs

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○A52.222.244.252026-02-17 → 2026-08-05 · 55 obs

○A52.222.244.362026-02-17 → 2026-08-05 · 55 obs

○A52.222.244.722026-02-17 → 2026-08-05 · 55 obs

○A52.85.61.1142026-03-29 → 2026-05-22 · 14 obs

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○A52.85.61.1252026-03-29 → 2026-05-22 · 14 obs

○A52.85.61.52026-03-29 → 2026-05-22 · 14 obs

○A52.85.61.572026-03-29 → 2026-05-22 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
simdut.org	ns-377.awsdns-47.com, ns-764.awsdns-31.net, ns-1527.awsdns-62.org, ns-1605.awsdns-08.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.252

NS records: ns-377.awsdns-47.com, ns-764.awsdns-31.net, ns-1527.awsdns-62.org, ns-1605.awsdns-08.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simdut.org (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.56.33, 3.167.56.35...`
NS	4	`ns-1527.awsdns-62.org, ns-1605.awsdns-08.co.uk...`
MX	1	`newman.ccohs.ca (pri: 5)`
SOA	1	`ns-377.awsdns-47.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1527.awsdns-62.org, ns-1527.awsdns-62.org)

Analysis

IP Addresses

simdut.org directs to four IP numbers, which are 3.167.56.7, 3.167.56.33, 3.167.56.35 and 3.167.56.108.

Additional host names — areyourare.sg, valess.de, d3dn0a5n0zcifp.cloudfront.net and two others — share IP numbers with simdut.org.

Name Servers

simdut.org has four authoritative name servers: ns-377.awsdns-47.com, ns-764.awsdns-31.net, ns-1527.awsdns-62.org and ns-1605.awsdns-08.co.uk.

There is at least partial name server overlap between simdut.org and other domains — mobyzer.com, midtownexpress.org, nabbonizio.com and two more among them.

These name servers regularly appear alongside ns-261.awsdns-32.com, ns-653.awsdns-17.net, ns-1856.awsdns-40.co.uk and 4 other name servers in NS record sets.

All four hostnames — ns-377.awsdns-47.com, ns-764.awsdns-31.net, ns-1527.awsdns-62.org and ns-1605.awsdns-08.co.uk — resolve to two IP numbers apiece: ns-377.awsdns-47.com to 205.251.193.121 and 2600:9000:5301:7900::1; ns-764.awsdns-31.net to 205.251.194.252 and 2600:9000:5302:fc00::1; ns-1527.awsdns-62.org to 205.251.197.247 and 2600:9000:5305:f700::1; ns-1605.awsdns-08.co.uk to 205.251.198.69 and 2600:9000:5306:4500::1.

Mail Servers

simdut.org has one mail server: newman.ccohs.ca.

simdut.org shares the same mail server setup as other domains, including cchst.org, ccohs-cchst.net, cchst.com and two others.

newman.ccohs.ca resolves to a single IP number: 205.193.209.11.