`cerfistrim.com`

DNSSEC	⚠️ Not signed
A	3.166.160.36^{🇺🇸 Amazon3.166.160.0/21}
		PTR	`server-3-166-160-36.mia50.r.cloudfront.net`
A	3.166.160.43^{🇺🇸 Amazon3.166.160.0/21}
A	3.166.160.49^{🇺🇸 Amazon3.166.160.0/21}
A	3.166.160.94^{🇺🇸 Amazon3.166.160.0/21}
NS	`ns1.eastman.com` ⭐
		A	2600:9000:5303:100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-769.awsdns-32.net`
		A	205.251.195.1^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-769.awsdns-32.net`
NS	`ns2.eastman.com`
		A	2600:9000:5307:6000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1888.awsdns-44.co.uk`
		A	205.251.199.96^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1888.awsdns-44.co.uk`
NS	`ns3.eastman.com`
		A	2600:9000:5301:4600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-326.awsdns-40.com`
		A	205.251.193.70^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-326.awsdns-40.com`
NS	`ns4.eastman.com`
		A	2600:9000:5305:4200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1346.awsdns-40.org`
		A	205.251.197.66^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1346.awsdns-40.org`
TXT	`v=dkim1; p=`
TXT	`v=spf1 -all`
SOA	`ns1.eastman.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=1776161487

Same first word

cerfistrim.com

DNS History

51 records (8 active, 43 former)

○NSha1.markmonitor.zone2019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○NSha2.markmonitor.zone2019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○NSha3.markmonitor.zone2019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○NSha4.markmonitor.zone2019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

●NSns1.eastman.com2026-02-17 → 2026-04-14 · 3 obs

○ 2019-12-21 15:18:00
● 2026-02-17 17:53:26
● 2026-04-14 10:24:32

○NSns1.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

●NSns2.eastman.com2026-02-17 → 2026-04-14 · 3 obs

○ 2019-12-21 15:18:00
● 2026-02-17 17:53:26
● 2026-04-14 10:24:32

○NSns2.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

●NSns3.eastman.com2026-02-17 → 2026-04-14 · 3 obs

○ 2019-12-21 15:18:00
● 2026-02-17 17:53:26
● 2026-04-14 10:24:32

○NSns3.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

●NSns4.eastman.com2026-02-17 → 2026-04-14 · 3 obs

○ 2019-12-21 15:18:00
● 2026-02-17 17:53:26
● 2026-04-14 10:24:32

○NSns4.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

○NSns5.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

○NSns6.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

○NSns7.markmonitor.com2015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

○MXbh.markmonitor.com2015-04-22 → 2019-12-21 · 4 obs

● 2015-04-22 17:11:42
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○A13.249.182.302026-02-22 → 2026-03-28 · 35 obs

○ 2026-02-22 14:23:52
● 2026-02-22 19:00:44
○ 2026-02-22 20:15:36
● 2026-02-23 11:13:10
○ 2026-02-23 18:17:58
○ 2026-02-25 17:00:00
● 2026-02-26 01:21:54
● 2026-02-26 03:06:34
○ 2026-02-26 11:26:08
● 2026-02-26 14:04:54
○ 2026-02-26 17:53:34
○ 2026-02-28 21:07:44
● 2026-03-01 05:26:04
● 2026-03-01 06:25:50
○ 2026-03-01 07:19:16
○ 2026-03-08 20:27:42
● 2026-03-09 11:09:34
○ 2026-03-09 14:45:52
○ 2026-03-10 00:46:48
● 2026-03-10 04:27:32
● 2026-03-10 08:07:32
○ 2026-03-10 09:09:06
○ 2026-03-12 19:56:20
● 2026-03-13 21:44:58
○ 2026-03-14 00:09:56
● 2026-03-14 01:09:54
○ 2026-03-14 04:28:24
○ 2026-03-15 15:09:30
● 2026-03-15 19:22:10
● 2026-03-15 20:56:46
○ 2026-03-15 21:39:10
○ 2026-03-27 01:32:22
● 2026-03-28 00:23:16
○ 2026-03-28 03:45:28
○ 2026-04-14 10:24:32

○A13.249.182.372026-02-22 → 2026-03-28 · 35 obs

○A13.249.182.62026-02-22 → 2026-03-28 · 35 obs

○A13.249.182.972026-02-22 → 2026-03-28 · 35 obs

○A18.164.124.1022026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 21:27:18
● 2026-03-08 00:12:44
○ 2026-03-08 06:14:06
○ 2026-03-14 04:28:24
● 2026-03-14 13:05:26
○ 2026-03-14 15:22:20
○ 2026-04-14 10:24:32

○A18.164.124.1132026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 21:27:18
● 2026-03-08 00:12:44
○ 2026-03-08 06:14:06
○ 2026-03-14 04:28:24
● 2026-03-14 13:05:26
○ 2026-03-14 15:22:20
○ 2026-04-14 10:24:32

○A18.164.124.92026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 21:27:18
● 2026-03-08 00:12:44
○ 2026-03-08 06:14:06
○ 2026-03-14 04:28:24
● 2026-03-14 13:05:26
○ 2026-03-14 15:22:20
○ 2026-04-14 10:24:32

○A18.164.124.992026-03-08 → 2026-03-14 · 7 obs

○ 2026-03-07 21:27:18
● 2026-03-08 00:12:44
○ 2026-03-08 06:14:06
○ 2026-03-14 04:28:24
● 2026-03-14 13:05:26
○ 2026-03-14 15:22:20
○ 2026-04-14 10:24:32

○A18.165.140.1052026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-22 14:59:50
● 2026-03-23 09:05:24
○ 2026-03-23 12:05:54
○ 2026-03-24 06:49:08
● 2026-03-24 10:29:20
○ 2026-03-25 04:27:08
○ 2026-04-14 10:24:32

○A18.165.140.182026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-22 14:59:50
● 2026-03-23 09:05:24
○ 2026-03-23 12:05:54
○ 2026-03-24 06:49:08
● 2026-03-24 10:29:20
○ 2026-03-25 04:27:08
○ 2026-04-14 10:24:32

○A18.165.140.332026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-22 14:59:50
● 2026-03-23 09:05:24
○ 2026-03-23 12:05:54
○ 2026-03-24 06:49:08
● 2026-03-24 10:29:20
○ 2026-03-25 04:27:08
○ 2026-04-14 10:24:32

○A18.165.140.62026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-22 14:59:50
● 2026-03-23 09:05:24
○ 2026-03-23 12:05:54
○ 2026-03-24 06:49:08
● 2026-03-24 10:29:20
○ 2026-03-25 04:27:08
○ 2026-04-14 10:24:32

○A18.239.18.1092026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:05:54
● 2026-03-23 22:30:50
○ 2026-03-24 03:17:36
○ 2026-04-14 10:24:32

○A18.239.18.502026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:05:54
● 2026-03-23 22:30:50
○ 2026-03-24 03:17:36
○ 2026-04-14 10:24:32

○A18.239.18.812026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:05:54
● 2026-03-23 22:30:50
○ 2026-03-24 03:17:36
○ 2026-04-14 10:24:32

○A18.239.18.892026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:05:54
● 2026-03-23 22:30:50
○ 2026-03-24 03:17:36
○ 2026-04-14 10:24:32

○A18.244.140.302026-02-17 → 2026-04-14 · 114 obs

○ 2026-02-17 17:53:26
● 2026-02-17 21:36:38
● 2026-02-18 03:08:12
○ 2026-02-18 03:45:08
○ 2026-02-18 21:44:58
● 2026-02-18 23:38:02
○ 2026-02-19 11:53:58
● 2026-02-20 00:47:08
○ 2026-02-20 08:29:44
○ 2026-02-20 11:03:48
● 2026-02-21 10:50:06
● 2026-02-22 05:03:06
○ 2026-02-22 11:19:56
● 2026-02-22 14:23:52
○ 2026-02-22 19:00:44
● 2026-02-22 20:15:36
○ 2026-02-23 11:13:10
● 2026-02-23 18:17:58
● 2026-02-23 20:31:50
○ 2026-02-24 14:15:54
● 2026-02-24 17:31:26
● 2026-02-25 17:00:00
○ 2026-02-26 01:21:54
○ 2026-02-26 17:53:34
● 2026-02-26 20:26:46
● 2026-02-27 15:13:28
○ 2026-02-27 22:02:22
○ 2026-02-28 02:16:24
● 2026-02-28 03:23:18
● 2026-02-28 09:34:18
○ 2026-02-28 13:46:38
○ 2026-02-28 20:32:08
● 2026-02-28 21:07:44
○ 2026-03-01 05:26:04
○ 2026-03-01 06:25:50
● 2026-03-01 07:19:16
● 2026-03-01 09:42:42
○ 2026-03-01 13:50:12
● 2026-03-01 14:50:46
● 2026-03-01 16:00:46
○ 2026-03-01 22:25:58
● 2026-03-01 23:40:02
● 2026-03-03 07:34:02
○ 2026-03-03 13:01:14
● 2026-03-03 14:50:46
● 2026-03-03 21:48:30
○ 2026-03-04 02:09:32
● 2026-03-04 08:18:26
● 2026-03-04 20:05:00
○ 2026-03-05 00:48:54
● 2026-03-05 02:11:50
● 2026-03-07 21:27:18
○ 2026-03-08 00:12:44
● 2026-03-08 06:14:06
● 2026-03-08 20:27:42
○ 2026-03-09 11:09:34
● 2026-03-09 14:45:52
● 2026-03-10 00:46:48
○ 2026-03-10 04:27:32
○ 2026-03-10 18:58:36
● 2026-03-10 21:08:42
● 2026-03-10 21:51:20
○ 2026-03-11 06:44:28
● 2026-03-11 08:41:06
● 2026-03-12 19:56:20
○ 2026-03-13 21:44:58
○ 2026-03-14 01:09:54
● 2026-03-14 04:28:24
○ 2026-03-14 13:05:26
● 2026-03-14 15:22:20
○ 2026-03-14 16:43:28
● 2026-03-14 20:30:26
○ 2026-03-15 04:15:36
● 2026-03-15 10:19:40
● 2026-03-15 15:09:30
○ 2026-03-15 19:22:10
○ 2026-03-15 20:56:46
● 2026-03-15 21:39:10
● 2026-03-16 07:11:06
○ 2026-03-16 13:20:00
● 2026-03-16 16:17:08
● 2026-03-16 19:56:38
○ 2026-03-17 05:56:28
○ 2026-03-17 11:45:22
● 2026-03-17 14:33:28
● 2026-03-20 04:46:12
○ 2026-03-20 16:50:26
● 2026-03-21 06:59:06
● 2026-03-22 14:59:50
○ 2026-03-23 09:05:24
○ 2026-03-23 22:30:50
● 2026-03-24 03:17:36
● 2026-03-24 06:49:08
○ 2026-03-24 10:29:20
● 2026-03-25 04:27:08
● 2026-03-27 01:32:22
○ 2026-03-28 00:23:16
○ 2026-03-28 03:45:28
● 2026-03-28 06:25:50
● 2026-03-30 14:49:00
○ 2026-03-31 22:04:38
● 2026-04-01 07:27:44
● 2026-04-11 06:06:18
○ 2026-04-11 06:41:40
○ 2026-04-11 22:24:26
● 2026-04-12 03:04:00
○ 2026-04-12 16:41:14
● 2026-04-13 00:49:44
○ 2026-04-13 01:49:42
● 2026-04-13 04:26:02
○ 2026-04-13 07:52:44
● 2026-04-14 08:37:42
○ 2026-04-14 10:24:30
○ 2026-04-14 10:24:32

○A18.244.140.822026-02-17 → 2026-04-14 · 114 obs

○A18.244.140.922026-02-17 → 2026-04-14 · 114 obs

○A18.244.140.982026-02-17 → 2026-04-14 · 114 obs

●A3.166.160.362026-03-31 → 2026-04-14 · 14 obs

○ 2026-03-30 14:49:00
● 2026-03-31 22:04:38
○ 2026-04-01 07:27:44
○ 2026-04-11 06:06:18
● 2026-04-11 06:41:40
● 2026-04-11 22:24:26
○ 2026-04-12 03:04:00
● 2026-04-12 16:41:14
○ 2026-04-13 00:49:44
● 2026-04-13 01:49:42
○ 2026-04-13 04:26:02
○ 2026-04-14 08:37:42
● 2026-04-14 10:24:30
● 2026-04-14 10:24:32

●A3.166.160.432026-03-31 → 2026-04-14 · 14 obs

●A3.166.160.492026-03-31 → 2026-04-14 · 14 obs

●A3.166.160.942026-03-31 → 2026-04-14 · 14 obs

○A3.167.99.612026-02-17 → 2026-04-13 · 79 obs

○ 2019-12-21 15:18:00
● 2026-02-17 17:53:26
○ 2026-02-17 21:36:38
○ 2026-02-18 03:08:12
● 2026-02-18 03:45:08
● 2026-02-18 21:44:58
○ 2026-02-18 23:38:02
● 2026-02-19 11:53:58
○ 2026-02-20 00:47:08
● 2026-02-20 08:29:44
● 2026-02-20 11:03:48
○ 2026-02-21 10:50:06
○ 2026-02-22 05:03:06
● 2026-02-22 11:19:56
○ 2026-02-22 14:23:52
○ 2026-02-23 20:31:50
● 2026-02-24 14:15:54
○ 2026-02-24 17:31:26
○ 2026-02-26 03:06:34
● 2026-02-26 11:26:08
○ 2026-02-26 14:04:54
● 2026-02-26 17:53:34
○ 2026-02-26 20:26:46
○ 2026-02-27 15:13:28
● 2026-02-27 22:02:22
● 2026-02-28 02:16:24
○ 2026-02-28 03:23:18
○ 2026-02-28 09:34:18
● 2026-02-28 13:46:38
● 2026-02-28 20:32:08
○ 2026-02-28 21:07:44
○ 2026-03-01 09:42:42
● 2026-03-01 13:50:12
○ 2026-03-01 14:50:46
○ 2026-03-01 16:00:46
● 2026-03-01 22:25:58
○ 2026-03-01 23:40:02
○ 2026-03-03 07:34:02
● 2026-03-03 13:01:14
○ 2026-03-03 14:50:46
○ 2026-03-03 21:48:30
● 2026-03-04 02:09:32
○ 2026-03-04 08:18:26
○ 2026-03-04 20:05:00
● 2026-03-05 00:48:54
○ 2026-03-05 02:11:50
○ 2026-03-10 08:07:32
● 2026-03-10 09:09:06
● 2026-03-10 18:58:36
○ 2026-03-10 21:08:42
○ 2026-03-10 21:51:20
● 2026-03-11 06:44:28
○ 2026-03-11 08:41:06
○ 2026-03-13 21:44:58
● 2026-03-14 00:09:56
○ 2026-03-14 01:09:54
○ 2026-03-14 15:22:20
● 2026-03-14 16:43:28
○ 2026-03-14 20:30:26
○ 2026-03-16 07:11:06
● 2026-03-16 13:20:00
○ 2026-03-16 16:17:08
○ 2026-03-16 19:56:38
● 2026-03-17 05:56:28
● 2026-03-17 11:45:22
○ 2026-03-17 14:33:28
○ 2026-03-20 04:46:12
● 2026-03-20 16:50:26
○ 2026-03-21 06:59:06
○ 2026-03-23 09:05:24
● 2026-03-23 12:05:54
○ 2026-03-23 22:30:50
○ 2026-03-28 00:23:16
● 2026-03-28 03:45:28
○ 2026-03-28 06:25:50
○ 2026-04-13 04:26:02
● 2026-04-13 07:52:44
○ 2026-04-14 08:37:42
○ 2026-04-14 10:24:32

○A3.167.99.822026-02-17 → 2026-04-13 · 79 obs

○A3.167.99.92026-02-17 → 2026-04-13 · 79 obs

○A3.167.99.962026-02-17 → 2026-04-13 · 79 obs

○A52.222.177.1042026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:30:26
● 2026-03-15 04:15:36
○ 2026-03-15 10:19:40
○ 2026-04-14 10:24:32

○A52.222.177.472026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:30:26
● 2026-03-15 04:15:36
○ 2026-03-15 10:19:40
○ 2026-04-14 10:24:32

○A52.222.177.552026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:30:26
● 2026-03-15 04:15:36
○ 2026-03-15 10:19:40
○ 2026-04-14 10:24:32

○A52.222.177.72026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:30:26
● 2026-03-15 04:15:36
○ 2026-03-15 10:19:40
○ 2026-04-14 10:24:32

○A52.52.239.2422019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○A52.52.3.1522019-12-21 → 2019-12-21 · 4 obs

○ 2017-02-12 21:50:08
● 2019-12-21 15:18:00
○ 2026-02-17 17:53:26
○ 2026-04-14 10:24:32

○A72.52.10.142015-04-22 → 2017-02-12 · 4 obs

● 2015-04-22 17:11:42
● 2017-02-12 21:50:08
○ 2019-12-21 15:18:00
○ 2026-04-14 10:24:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
cerfistrim.com	ns1.eastman.com, ns2.eastman.com, ns4.eastman.com, ns3.eastman.com	4 records

✅ Authoritative Response

Server:205.251.193.70

NS records: ns1.eastman.com, ns2.eastman.com, ns4.eastman.com, ns3.eastman.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cerfistrim.com (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.160.94, 3.166.160.49...`
NS	4	`ns1.eastman.com, ns2.eastman.com...`
TXT	2	`v=dkim1; p=, v=spf1 -all`
SOA	1	`ns1.eastman.com awsdns-hostmaster.amazon`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.eastman.com, ns2.eastman.com, ns4.eastman.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by cerfistrim.com: 3.166.160.36, 3.166.160.43, 3.166.160.49 and 3.166.160.94.

other host names including comune.stritaschool.org, akronfreightliner.com, bakewish.in, d9tapgbwxj7ja.cloudfront.net and anipha.jp share IP numbers with cerfistrim.com.

Name Servers

cerfistrim.com is delegated to four name servers: ns1.eastman.com, ns2.eastman.com, ns3.eastman.com and ns4.eastman.com.

cerfistrim.com at least partially shares name servers with other domains, for instance acetylatedwood.info, tenite.info, amphora3-dsolutions.net, flexsys.sg and eastman.nu.

Host names with two IP numbers:

ns1.eastman.com points to 2600:9000:5303:100::1 and 205.251.195.1; ns2.eastman.com points to 2600:9000:5307:6000::1 and 205.251.199.96; ns3.eastman.com points to 2600:9000:5301:4600::1 and 205.251.193.70; ns4.eastman.com points to 2600:9000:5305:4200::1 and 205.251.197.66.

cerfistrim.com - robtex.com

cerfistrim.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

`cerfistrim.com`

`com`