dev.dnamastercourse.com - dns.ninja

`dev.dnamastercourse.com`

DNSSEC	⚠️ Not signed
A	18.155.21.19^{🇺🇸 Amazon18.155.16.0/21}
		PTR	`server-18-155-21-19.gru3.r.cloudfront.net`
A	18.155.21.22^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.84^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.107^{🇺🇸 Amazon18.155.16.0/21}

`dnamastercourse.com`

	DNSSEC	⚠️ Not signed
	A	13.227.207.21^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
	A	13.227.207.103^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
	A	13.227.207.105^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
	A	13.227.207.117^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
	NS	`ns-889.awsdns-47.net` ⭐
	NS	`ns-1389.awsdns-45.org`
	NS	`ns-1742.awsdns-25.co.uk`
	NS	`ns-19.awsdns-02.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	SOA	`ns-889.awsdns-47.net`awsdns-hostmaster@amazon.com serial=1

Same first word

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dev.us

dev.zip

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dev.watch

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dev.se

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dev.email

dev.de

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dev.im

dev.com.mx

dev.tatar

dev.careers

dev

dev.am

dev.global

dev.wf

dev.es

dev.st

Similar names

dev.vn

dev.kz

dev.uz

dev.lu

dev.events

dev.shiksha

dev.idf.il

dve.com

edv.net

ved.ru

dev.rt.ht

dev.gold

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edv.by

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vde.net.au

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dev.ad

dev.space

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dev.international

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dev.med

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evd.cc

dev.dn.ua

edv.koeln

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dev.s3-us-west-2.amazonaws.com

dev.dance

evd.sk

dev.aws

ved.nl

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dev.com.br

edv.works

dev.hm

dev.live

dev.ws

dev.ca

dev.no

dve.com.cn

dev.awsapps.com

edv.com

ved.co.in

dev.biz

dev.ltd

dve.co

dev.education

dev.web.id

ved.com.ua

dev.cz

dve.tw

edv.at

edv.world

dev.exchange

dve.dev

dev.host

dev.work

dev.canva-apps.com

evd.jp

dev.black

dev.sa

edv.tools

edv.co.uk

dev.mine.nu

dev.com.jo

vde.de

dve.com.mx

dev.lc

dev.myshopify.com

dev.adobeaemcloud.com

dev.kitchen

dev.ss

dev.tn

ved.gov.ru

vde.es

vde.com.au

edv.ag

dev.server-on.net

dev.hu

edv.jp

dve.in

dev.dk

dev.com.pl

vde.one

dev.org.pk

dev.domains

dve.sk

dev.ml

dev.family

dev.org

dev.site

vde.nu

dev.camp

DNS History

100 records (4 active, 96 former)

○A13.225.143.1082026-03-31 → 2026-07-30 · 47 obs

○ 2026-03-31 13:14:34
● 2026-03-31 15:23:44
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○A13.225.143.1142026-03-31 → 2026-07-30 · 47 obs

○A13.225.143.132026-03-31 → 2026-07-30 · 47 obs

○A13.225.143.322026-03-31 → 2026-07-30 · 47 obs

○A13.227.173.132026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-27 07:48:14
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○ 2026-08-02 04:13:06

○A13.227.173.602026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-27 07:48:14
● 2026-07-27 08:40:48
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○A13.227.173.752026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-27 07:48:14
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○ 2026-07-28 13:56:00
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○A13.227.173.982026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-27 07:48:14
● 2026-07-27 08:40:48
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○ 2026-07-27 10:48:44
● 2026-07-28 10:34:52
○ 2026-07-28 13:56:00
○ 2026-08-02 04:13:06

○A13.32.241.1002026-03-07 → 2026-03-22 · 9 obs

○ 2026-02-15 19:42:14
○ 2026-03-07 13:40:40
● 2026-03-07 20:08:22
● 2026-03-07 23:30:10
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○A13.32.241.1162026-03-07 → 2026-03-22 · 9 obs

○A13.32.241.942026-03-07 → 2026-03-22 · 9 obs

○A13.32.241.962026-03-07 → 2026-03-22 · 9 obs

○A13.33.153.1202026-04-30 → 2026-04-30 · 4 obs

○ 2026-04-28 19:54:44
● 2026-04-30 05:32:02
○ 2026-04-30 07:05:08
○ 2026-08-02 04:13:06

○A13.33.153.402026-04-30 → 2026-04-30 · 4 obs

○ 2026-04-28 19:54:44
● 2026-04-30 05:32:02
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○A13.33.153.712026-04-30 → 2026-04-30 · 4 obs

○ 2026-04-28 19:54:44
● 2026-04-30 05:32:02
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○A13.33.153.762026-04-30 → 2026-04-30 · 4 obs

○ 2026-04-28 19:54:44
● 2026-04-30 05:32:02
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○A13.35.20.1262026-05-28 → 2026-06-04 · 19 obs

○ 2026-05-27 16:40:24
● 2026-05-28 08:02:32
● 2026-05-28 08:32:40
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● 2026-05-28 16:48:26
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○A13.35.20.282026-05-28 → 2026-06-04 · 19 obs

○A13.35.20.572026-05-28 → 2026-06-04 · 19 obs

○A13.35.20.742026-05-28 → 2026-06-04 · 19 obs

○A143.204.204.1232026-05-19 → 2026-07-02 · 29 obs

○ 2026-05-19 07:57:12
● 2026-05-19 13:57:22
● 2026-05-19 14:27:32
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● 2026-05-19 20:11:40
● 2026-05-21 04:18:18
○ 2026-05-22 05:32:00
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● 2026-05-27 16:40:24
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○ 2026-08-02 04:13:06

○A143.204.204.182026-05-19 → 2026-07-02 · 29 obs

○A143.204.204.362026-05-19 → 2026-07-02 · 29 obs

○A143.204.204.602026-05-19 → 2026-07-02 · 29 obs

○A143.204.68.1122026-03-15 → 2026-06-15 · 11 obs

○ 2026-03-14 18:07:20
● 2026-03-15 01:30:44
○ 2026-03-15 04:33:24
○ 2026-04-07 00:38:44
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○ 2026-08-02 04:13:06

○A143.204.68.262026-03-15 → 2026-06-15 · 11 obs

○A143.204.68.882026-03-15 → 2026-06-15 · 11 obs

○A143.204.68.912026-03-15 → 2026-06-15 · 11 obs

●A18.155.21.1072026-04-06 → 2026-08-02 · 69 obs

○ 2026-04-03 16:17:44
● 2026-04-06 08:47:24
○ 2026-04-06 12:40:50
○ 2026-04-10 00:57:44
● 2026-04-10 02:59:24
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○ 2026-05-29 07:08:38
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○ 2026-06-01 18:18:58
○ 2026-06-14 20:43:26
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○ 2026-07-01 00:11:02
● 2026-07-01 03:22:48
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● 2026-07-02 13:24:42
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● 2026-08-02 04:13:06

●A18.155.21.192026-04-06 → 2026-08-02 · 69 obs

●A18.155.21.222026-04-06 → 2026-08-02 · 69 obs

●A18.155.21.842026-04-06 → 2026-08-02 · 69 obs

○A18.155.68.1282026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:35:30
● 2026-05-29 07:08:38
○ 2026-05-29 09:11:12
○ 2026-08-02 04:13:06

○A18.155.68.192026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:35:30
● 2026-05-29 07:08:38
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○ 2026-08-02 04:13:06

○A18.155.68.472026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:35:30
● 2026-05-29 07:08:38
○ 2026-05-29 09:11:12
○ 2026-08-02 04:13:06

○A18.155.68.992026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:35:30
● 2026-05-29 07:08:38
○ 2026-05-29 09:11:12
○ 2026-08-02 04:13:06

○A18.161.205.1082026-04-10 → 2026-07-28 · 35 obs

○ 2026-04-10 12:06:44
● 2026-04-10 23:06:06
○ 2026-04-11 00:49:44
○ 2026-04-11 21:00:30
● 2026-04-11 22:27:12
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○A18.161.205.1092026-04-10 → 2026-07-28 · 35 obs

○A18.161.205.332026-04-10 → 2026-07-28 · 35 obs

○A18.161.205.422026-04-10 → 2026-07-28 · 35 obs

○A18.173.132.102026-02-15 → 2026-03-14 · 9 obs

● 2026-02-15 19:42:14
○ 2026-02-17 00:20:58
○ 2026-03-13 13:30:18
● 2026-03-13 20:19:44
○ 2026-03-14 01:22:58
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○A18.173.132.1292026-02-15 → 2026-03-14 · 9 obs

○A18.173.132.332026-02-15 → 2026-03-14 · 9 obs

○A18.173.132.752026-02-15 → 2026-03-14 · 9 obs

○A18.239.105.1192026-03-23 → 2026-05-10 · 7 obs

○ 2026-03-22 18:23:50
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○ 2026-03-24 02:28:56
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○A18.239.105.482026-03-23 → 2026-05-10 · 7 obs

○ 2026-03-22 18:23:50
● 2026-03-23 19:44:22
○ 2026-03-24 02:28:56
○ 2026-05-10 16:43:48
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○A18.239.105.802026-03-23 → 2026-05-10 · 7 obs

○ 2026-03-22 18:23:50
● 2026-03-23 19:44:22
○ 2026-03-24 02:28:56
○ 2026-05-10 16:43:48
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○ 2026-05-10 19:54:02
○ 2026-08-02 04:13:06

○A18.239.105.842026-03-23 → 2026-05-10 · 7 obs

○ 2026-03-22 18:23:50
● 2026-03-23 19:44:22
○ 2026-03-24 02:28:56
○ 2026-05-10 16:43:48
● 2026-05-10 18:50:00
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○A18.239.168.1002026-04-25 → 2026-05-21 · 20 obs

○ 2026-04-24 21:21:46
● 2026-04-25 08:26:04
○ 2026-04-25 11:24:30
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○A18.239.168.1222026-04-25 → 2026-05-21 · 20 obs

○A18.239.168.162026-04-25 → 2026-05-21 · 20 obs

○A18.239.168.502026-04-25 → 2026-05-21 · 20 obs

○A18.245.187.1202026-02-17 → 2026-06-30 · 50 obs

○ 2026-02-15 19:42:14
● 2026-02-17 00:20:58
● 2026-02-17 01:24:58
○ 2026-02-17 15:23:56
○ 2026-02-18 00:10:30
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○ 2026-06-30 22:45:00
○ 2026-08-02 04:13:06

○A18.245.187.582026-02-17 → 2026-06-30 · 50 obs

○A18.245.187.632026-02-17 → 2026-06-30 · 50 obs

○A18.245.187.922026-02-17 → 2026-06-30 · 50 obs

○A18.66.171.1012026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-20 20:54:44
● 2026-03-22 01:17:40
○ 2026-03-22 02:56:40
○ 2026-08-02 04:13:06

○A18.66.171.1282026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-20 20:54:44
● 2026-03-22 01:17:40
○ 2026-03-22 02:56:40
○ 2026-08-02 04:13:06

○A18.66.171.342026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-20 20:54:44
● 2026-03-22 01:17:40
○ 2026-03-22 02:56:40
○ 2026-08-02 04:13:06

○A18.66.171.922026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-20 20:54:44
● 2026-03-22 01:17:40
○ 2026-03-22 02:56:40
○ 2026-08-02 04:13:06

○A18.66.255.1242026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 19:41:12
● 2026-06-17 04:29:34
○ 2026-06-17 06:14:52
○ 2026-08-02 04:13:06

○A18.66.255.142026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 19:41:12
● 2026-06-17 04:29:34
○ 2026-06-17 06:14:52
○ 2026-08-02 04:13:06

○A18.66.255.582026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 19:41:12
● 2026-06-17 04:29:34
○ 2026-06-17 06:14:52
○ 2026-08-02 04:13:06

○A18.66.255.602026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 19:41:12
● 2026-06-17 04:29:34
○ 2026-06-17 06:14:52
○ 2026-08-02 04:13:06

○A18.67.0.1282026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-25 16:48:58
● 2026-07-27 07:05:38
○ 2026-07-27 07:48:14
● 2026-07-27 16:14:10
○ 2026-07-27 16:51:34
● 2026-07-28 16:13:18
○ 2026-07-28 16:54:54
○ 2026-08-02 04:13:06

○A18.67.0.472026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-25 16:48:58
● 2026-07-27 07:05:38
○ 2026-07-27 07:48:14
● 2026-07-27 16:14:10
○ 2026-07-27 16:51:34
● 2026-07-28 16:13:18
○ 2026-07-28 16:54:54
○ 2026-08-02 04:13:06

○A18.67.0.582026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-25 16:48:58
● 2026-07-27 07:05:38
○ 2026-07-27 07:48:14
● 2026-07-27 16:14:10
○ 2026-07-27 16:51:34
● 2026-07-28 16:13:18
○ 2026-07-28 16:54:54
○ 2026-08-02 04:13:06

○A18.67.0.912026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-25 16:48:58
● 2026-07-27 07:05:38
○ 2026-07-27 07:48:14
● 2026-07-27 16:14:10
○ 2026-07-27 16:51:34
● 2026-07-28 16:13:18
○ 2026-07-28 16:54:54
○ 2026-08-02 04:13:06

○A18.67.65.1132026-03-19 → 2026-06-21 · 15 obs

○ 2026-03-15 07:59:56
● 2026-03-19 07:48:40
○ 2026-03-20 03:10:12
○ 2026-03-20 13:42:06
● 2026-03-20 16:57:58
○ 2026-03-20 20:54:44
○ 2026-04-19 06:51:34
● 2026-04-19 09:12:52
● 2026-04-19 11:25:32
○ 2026-04-19 13:13:36
● 2026-06-19 13:17:16
○ 2026-06-19 20:13:54
● 2026-06-21 06:29:56
○ 2026-06-21 07:28:26
○ 2026-08-02 04:13:06

○A18.67.65.212026-03-19 → 2026-06-21 · 15 obs

○A18.67.65.42026-03-19 → 2026-06-21 · 15 obs

○A18.67.65.622026-03-19 → 2026-06-21 · 15 obs

○A3.164.206.112026-03-24 → 2026-07-18 · 16 obs

○ 2026-03-24 02:28:56
● 2026-03-24 22:28:28
● 2026-03-25 02:46:44
○ 2026-03-25 04:38:28
○ 2026-03-25 07:03:44
● 2026-03-25 13:15:32
○ 2026-03-25 16:33:08
● 2026-07-13 10:29:42
○ 2026-07-13 13:42:52
● 2026-07-14 17:50:38
○ 2026-07-14 18:52:40
● 2026-07-16 15:12:30
○ 2026-07-16 15:46:42
● 2026-07-18 10:13:28
○ 2026-07-18 13:32:44
○ 2026-08-02 04:13:06

○A3.164.206.1122026-03-24 → 2026-07-18 · 16 obs

○A3.164.206.182026-03-24 → 2026-07-18 · 16 obs

○A3.164.206.562026-03-24 → 2026-07-18 · 16 obs

○A3.166.192.1092026-07-13 → 2026-08-01 · 42 obs

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

○A3.166.192.512026-07-13 → 2026-08-01 · 42 obs

○A3.166.192.612026-07-13 → 2026-08-01 · 42 obs

○A3.166.192.882026-07-13 → 2026-08-01 · 42 obs

○A3.170.19.142026-02-17 → 2026-07-12 · 48 obs

○ 2026-02-17 15:23:56
● 2026-02-17 17:32:04
● 2026-02-18 00:10:30
○ 2026-02-18 19:41:20
○ 2026-02-19 13:39:16
● 2026-02-20 10:48:14
○ 2026-02-20 13:28:28
○ 2026-02-25 13:35:24
● 2026-02-25 20:24:16
● 2026-02-27 00:17:58
○ 2026-02-27 07:31:48
○ 2026-03-02 01:25:40
● 2026-03-02 15:56:26
○ 2026-03-02 22:50:32
○ 2026-06-16 10:37:14
● 2026-06-16 11:26:00
○ 2026-06-16 19:41:12
● 2026-06-22 04:49:24
○ 2026-06-22 05:39:02
● 2026-06-23 06:51:50
○ 2026-06-23 08:34:18
● 2026-06-24 10:15:38
○ 2026-06-24 10:53:52
● 2026-06-24 15:58:18
○ 2026-06-24 21:42:16
● 2026-06-25 22:39:30
○ 2026-06-26 01:06:30
● 2026-06-26 07:16:38
○ 2026-06-26 07:51:24
● 2026-06-26 09:09:28
○ 2026-06-26 13:20:08
● 2026-06-27 02:51:20
○ 2026-06-27 03:41:22
● 2026-06-28 09:32:54
○ 2026-06-28 11:33:36
● 2026-06-29 03:37:36
○ 2026-06-29 04:28:32
● 2026-06-29 05:02:42
○ 2026-06-29 08:31:58
● 2026-06-30 00:05:16
○ 2026-06-30 04:43:24
● 2026-07-07 14:38:04
○ 2026-07-07 17:07:32
● 2026-07-11 01:35:44
○ 2026-07-11 05:04:44
● 2026-07-12 09:39:42
○ 2026-07-12 12:20:32
○ 2026-08-02 04:13:06

○A3.170.19.402026-02-17 → 2026-07-12 · 48 obs

○A3.170.19.532026-02-17 → 2026-07-12 · 48 obs

○A3.170.19.962026-02-17 → 2026-07-12 · 48 obs

○A3.174.59.452026-04-23 → 2026-07-24 · 14 obs

○ 2026-04-19 13:13:36
● 2026-04-23 04:06:52
○ 2026-04-23 08:14:00
○ 2026-05-03 07:30:14
● 2026-05-03 08:33:26
○ 2026-05-03 09:04:02
○ 2026-05-09 18:38:32
● 2026-05-09 21:19:04
○ 2026-05-09 22:32:58
● 2026-07-23 08:59:32
○ 2026-07-23 11:19:40
● 2026-07-24 06:38:34
○ 2026-07-24 17:32:08
○ 2026-08-02 04:13:06

○A3.174.59.632026-04-23 → 2026-07-24 · 14 obs

○A3.174.59.72026-04-23 → 2026-07-24 · 14 obs

○A3.174.59.922026-04-23 → 2026-07-24 · 14 obs

○A3.174.83.1212026-03-28 → 2026-05-25 · 20 obs

○ 2026-03-25 16:33:08
● 2026-03-28 15:32:28
● 2026-03-29 01:07:54
○ 2026-03-29 09:52:46
○ 2026-03-31 05:35:30
● 2026-03-31 10:54:00
○ 2026-03-31 13:14:34
○ 2026-04-01 01:50:18
● 2026-04-01 05:32:40
○ 2026-04-01 09:15:38
○ 2026-04-06 18:06:20
● 2026-04-07 00:38:44
○ 2026-04-07 01:15:10
○ 2026-04-24 10:26:32
● 2026-04-24 19:14:22
○ 2026-04-24 21:21:46
○ 2026-05-25 02:24:24
● 2026-05-25 04:36:02
○ 2026-05-25 07:55:22
○ 2026-08-02 04:13:06

○A3.174.83.212026-03-28 → 2026-05-25 · 20 obs

○A3.174.83.242026-03-28 → 2026-05-25 · 20 obs

○A3.174.83.502026-03-28 → 2026-05-25 · 20 obs

○A3.175.14.1182026-04-10 → 2026-06-08 · 20 obs

○ 2026-04-10 02:59:24
● 2026-04-10 12:06:44
○ 2026-04-10 23:06:06
○ 2026-04-14 13:35:04
● 2026-04-14 14:56:50
○ 2026-04-14 22:25:02
● 2026-04-15 04:35:18
○ 2026-04-15 11:23:16
○ 2026-04-16 09:36:38
● 2026-04-16 11:58:36
○ 2026-04-16 22:15:00
● 2026-04-17 01:55:00
○ 2026-04-17 06:47:40
○ 2026-06-07 11:07:20
● 2026-06-07 16:11:00
○ 2026-06-07 21:32:02
○ 2026-06-08 00:56:00
● 2026-06-08 02:40:42
○ 2026-06-08 13:20:42
○ 2026-08-02 04:13:06

○A3.175.14.1222026-04-10 → 2026-06-08 · 20 obs

○A3.175.14.212026-04-10 → 2026-06-08 · 20 obs

○A3.175.14.442026-04-10 → 2026-06-08 · 20 obs

○A99.84.215.1062026-02-17 → 2026-07-31 · 40 obs

○ 2026-02-17 01:24:58
● 2026-02-17 15:23:56
○ 2026-02-17 17:32:04
○ 2026-02-26 11:03:48
● 2026-02-26 18:17:16
○ 2026-02-27 07:31:48
● 2026-02-27 14:15:54
○ 2026-02-28 00:54:12
● 2026-02-28 15:36:50
○ 2026-03-01 01:41:52
● 2026-03-01 16:58:10
○ 2026-03-02 01:25:40
○ 2026-03-10 13:20:02
● 2026-03-11 03:04:30
● 2026-03-11 14:24:26
○ 2026-03-12 04:52:38
○ 2026-05-28 18:31:28
● 2026-05-29 03:44:08
○ 2026-05-29 04:35:30
● 2026-07-03 19:01:00
○ 2026-07-04 04:52:00
● 2026-07-04 05:44:18
○ 2026-07-04 15:46:00
● 2026-07-07 23:15:14
○ 2026-07-08 01:15:02
● 2026-07-09 12:38:42
○ 2026-07-09 18:07:40
● 2026-07-10 04:02:58
○ 2026-07-10 04:52:52
● 2026-07-10 22:36:34
○ 2026-07-11 01:35:44
● 2026-07-11 05:04:44
○ 2026-07-11 07:12:44
● 2026-07-21 02:49:30
○ 2026-07-21 03:34:10
● 2026-07-25 03:37:22
○ 2026-07-25 10:41:06
● 2026-07-31 18:40:06
○ 2026-07-31 19:37:22
○ 2026-08-02 04:13:06

○A99.84.215.1072026-02-17 → 2026-07-31 · 40 obs

○A99.84.215.672026-02-17 → 2026-07-31 · 40 obs

○A99.84.215.782026-02-17 → 2026-07-31 · 40 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...	-
dnamastercourse.com	ns-19.awsdns-02.com, ns-889.awsdns-47.net, ns-1742.awsdns-25.co.uk, ns-1389.awsdns-45.org	2 records

✅ Authoritative Response

Server:205.251.197.109

NS records: ns-19.awsdns-02.com, ns-889.awsdns-47.net, ns-1742.awsdns-25.co.uk, ns-1389.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dnamastercourse.com (unsigned zone)

⏱️ Timing

Total: 1349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.192.61, 3.166.192.88...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-19.awsdns-02.com, ns-19.awsdns-02.com)

Analysis

IP Addresses

dev.dnamastercourse.com points to the four IP addresses 18.155.21.19, 18.155.21.22, 18.155.21.84 and 18.155.21.107.

township-wp.playrix.com, foodmarketmaker.com, api2.epibrowser.com and two other host names share IP numbers with dev.dnamastercourse.com.