`aula-kosugi.com`

DNSSEC	⚠️ Not signed
A	54.240.184.28^{🇺🇸 Amazon54.240.184.0/24}
		PTR	`server-54-240-184-28.mia50.r.cloudfront.net`
A	54.240.184.38^{🇺🇸 Amazon54.240.184.0/24}
A	54.240.184.82^{🇺🇸 Amazon54.240.184.0/24}
A	54.240.184.90^{🇺🇸 Amazon54.240.184.0/24}
NS	`ns-494.awsdns-61.com` ⭐
		A	2600:9000:5301:ee00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-494.awsdns-61.com`
		A	205.251.193.238^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-494.awsdns-61.com`
NS	`ns-1456.awsdns-54.org`
		A	2600:9000:5305:b000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1456.awsdns-54.org`
		A	205.251.197.176^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1456.awsdns-54.org`
NS	`ns-1959.awsdns-52.co.uk`
		A	2600:9000:5307:a700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1959.awsdns-52.co.uk`
		A	205.251.199.167^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1959.awsdns-52.co.uk`
NS	`ns-562.awsdns-06.net`
		A	2600:9000:5302:3200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-562.awsdns-06.net`
		A	205.251.194.50^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-562.awsdns-06.net`
SOA	`ns-494.awsdns-61.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=1780784536

Same first word

aula-kosugi.com

DNS History

60 records (8 active, 52 former)

●NSns-1456.awsdns-54.org2026-03-19 → 2026-06-06 · 2 obs

● 2026-03-19 03:17:36
● 2026-06-06 22:26:38

●NSns-1959.awsdns-52.co.uk2026-03-19 → 2026-06-06 · 2 obs

● 2026-03-19 03:17:36
● 2026-06-06 22:26:38

●NSns-494.awsdns-61.com2026-03-19 → 2026-06-06 · 2 obs

● 2026-03-19 03:17:36
● 2026-06-06 22:26:38

●NSns-562.awsdns-06.net2026-03-19 → 2026-06-06 · 2 obs

● 2026-03-19 03:17:36
● 2026-06-06 22:26:38

○A108.157.142.1052026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-20 21:14:14
● 2026-05-21 01:20:52
○ 2026-05-21 05:52:46
○ 2026-06-06 22:26:38

○A108.157.142.1092026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-20 21:14:14
● 2026-05-21 01:20:52
○ 2026-05-21 05:52:46
○ 2026-06-06 22:26:38

○A108.157.142.1272026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-20 21:14:14
● 2026-05-21 01:20:52
○ 2026-05-21 05:52:46
○ 2026-06-06 22:26:38

○A108.157.142.432026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-20 21:14:14
● 2026-05-21 01:20:52
○ 2026-05-21 05:52:46
○ 2026-06-06 22:26:38

○A13.226.209.1012026-03-23 → 2026-04-19 · 24 obs

○ 2026-03-19 07:44:50
● 2026-03-23 02:29:46
● 2026-03-23 10:31:58
○ 2026-03-23 12:28:00
● 2026-03-24 02:23:26
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● 2026-03-25 02:01:32
● 2026-03-25 16:08:08
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● 2026-03-26 05:44:26
● 2026-03-26 15:33:34
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● 2026-03-27 01:02:14
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● 2026-03-27 10:15:30
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● 2026-03-30 16:40:46
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○ 2026-04-18 03:22:24
● 2026-04-19 08:52:18
○ 2026-04-19 19:12:56
○ 2026-06-06 22:26:38

○A13.226.209.412026-03-23 → 2026-04-19 · 24 obs

○A13.226.209.462026-03-23 → 2026-04-19 · 24 obs

○A13.226.209.562026-03-23 → 2026-04-19 · 24 obs

○A13.33.235.122026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:13:18
● 2026-03-26 19:57:22
○ 2026-03-26 22:52:18
○ 2026-06-06 22:26:38

○A13.33.235.1242026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:13:18
● 2026-03-26 19:57:22
○ 2026-03-26 22:52:18
○ 2026-06-06 22:26:38

○A13.33.235.532026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:13:18
● 2026-03-26 19:57:22
○ 2026-03-26 22:52:18
○ 2026-06-06 22:26:38

○A13.33.235.922026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:13:18
● 2026-03-26 19:57:22
○ 2026-03-26 22:52:18
○ 2026-06-06 22:26:38

○A143.204.29.102026-03-30 → 2026-05-25 · 19 obs

○ 2026-03-28 06:56:14
● 2026-03-30 07:15:16
○ 2026-03-30 16:40:46
○ 2026-04-15 02:05:34
● 2026-04-16 19:30:34
○ 2026-04-16 23:57:12
○ 2026-05-04 06:50:52
● 2026-05-04 16:14:40
○ 2026-05-05 10:54:02
○ 2026-05-21 05:52:46
● 2026-05-21 06:45:52
○ 2026-05-21 12:51:26
○ 2026-05-24 05:09:12
● 2026-05-24 08:16:44
○ 2026-05-24 11:30:56
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● 2026-05-25 02:38:22
○ 2026-05-25 04:36:18
○ 2026-06-06 22:26:38

○A143.204.29.22026-03-30 → 2026-05-25 · 19 obs

○A143.204.29.842026-03-30 → 2026-05-25 · 19 obs

○A143.204.29.902026-03-30 → 2026-05-25 · 19 obs

○A18.154.144.1132026-03-19 → 2026-03-19 · 3 obs

● 2026-03-19 03:17:36
○ 2026-03-19 07:44:50
○ 2026-06-06 22:26:38

○A18.154.144.42026-03-19 → 2026-03-19 · 3 obs

● 2026-03-19 03:17:36
○ 2026-03-19 07:44:50
○ 2026-06-06 22:26:38

○A18.154.144.502026-03-19 → 2026-03-19 · 3 obs

● 2026-03-19 03:17:36
○ 2026-03-19 07:44:50
○ 2026-06-06 22:26:38

○A18.154.144.692026-03-19 → 2026-03-19 · 3 obs

● 2026-03-19 03:17:36
○ 2026-03-19 07:44:50
○ 2026-06-06 22:26:38

○A18.160.225.322026-05-19 → 2026-06-06 · 72 obs

○ 2026-05-19 09:23:58
● 2026-05-19 12:06:24
○ 2026-05-19 13:22:02
○ 2026-05-20 08:09:36
● 2026-05-20 09:11:12
● 2026-05-20 10:04:34
○ 2026-05-20 18:55:26
● 2026-05-20 21:14:14
○ 2026-05-21 01:20:52
○ 2026-05-21 06:45:52
● 2026-05-21 12:51:26
● 2026-05-24 04:18:32
○ 2026-05-24 05:09:12
○ 2026-05-24 08:16:44
● 2026-05-24 11:30:56
● 2026-05-24 15:18:54
○ 2026-05-24 16:24:56
○ 2026-05-24 20:25:06
● 2026-05-24 22:37:16
● 2026-05-25 01:31:56
○ 2026-05-25 02:38:22
● 2026-05-25 04:36:18
● 2026-05-25 12:23:48
○ 2026-05-25 13:09:56
● 2026-05-25 14:33:56
● 2026-05-25 21:44:46
○ 2026-05-25 23:20:18
○ 2026-05-26 02:22:18
● 2026-05-26 05:19:30
● 2026-05-26 17:48:18
○ 2026-05-26 19:52:50
● 2026-05-26 22:44:58
● 2026-05-27 11:36:04
○ 2026-05-27 12:42:48
○ 2026-05-27 13:19:42
● 2026-05-27 15:09:06
○ 2026-05-27 17:52:32
● 2026-05-27 21:18:02
● 2026-05-28 17:22:20
○ 2026-05-28 19:42:14
● 2026-05-28 20:50:08
● 2026-05-29 07:39:34
○ 2026-05-29 13:51:54
○ 2026-05-29 18:26:00
● 2026-05-29 21:39:42
● 2026-05-29 23:04:42
○ 2026-05-30 01:28:20
● 2026-05-30 02:56:28
● 2026-05-31 02:26:40
○ 2026-05-31 09:27:08
○ 2026-06-01 13:59:16
● 2026-06-02 01:37:32
● 2026-06-02 02:45:44
○ 2026-06-02 05:01:36
○ 2026-06-02 06:11:34
● 2026-06-02 08:20:10
● 2026-06-02 11:47:16
○ 2026-06-02 13:19:54
○ 2026-06-02 21:12:50
● 2026-06-03 00:57:24
○ 2026-06-03 01:44:52
● 2026-06-03 05:46:54
● 2026-06-03 17:00:28
○ 2026-06-03 19:08:44
● 2026-06-03 20:03:36
● 2026-06-04 10:54:18
○ 2026-06-04 12:33:56
○ 2026-06-04 18:30:14
● 2026-06-04 20:34:42
● 2026-06-06 19:51:50
○ 2026-06-06 22:26:34
○ 2026-06-06 22:26:38

○A18.160.225.72026-05-19 → 2026-06-06 · 72 obs

○A18.160.225.702026-05-19 → 2026-06-06 · 72 obs

○A18.160.225.972026-05-19 → 2026-06-06 · 72 obs

○A18.161.34.252026-05-04 → 2026-05-26 · 40 obs

○ 2026-05-03 11:22:34
● 2026-05-04 00:34:04
○ 2026-05-04 03:56:08
○ 2026-05-08 21:56:52
● 2026-05-09 00:37:46
● 2026-05-09 03:11:38
○ 2026-05-09 08:12:24
○ 2026-05-10 11:13:24
● 2026-05-10 12:00:20
○ 2026-05-10 20:20:56
○ 2026-05-11 01:45:16
● 2026-05-11 02:22:46
○ 2026-05-11 03:03:00
○ 2026-05-12 17:06:26
● 2026-05-12 18:20:30
○ 2026-05-12 19:15:16
○ 2026-05-17 04:14:34
● 2026-05-17 05:56:06
○ 2026-05-17 11:17:54
○ 2026-05-20 02:23:30
● 2026-05-20 06:43:52
○ 2026-05-20 08:09:36
○ 2026-05-20 10:04:34
● 2026-05-20 18:55:26
○ 2026-05-20 21:14:14
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● 2026-05-21 05:52:46
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○ 2026-05-24 15:18:54
● 2026-05-24 16:24:56
● 2026-05-24 17:58:18
○ 2026-05-24 20:25:06
○ 2026-05-25 12:23:48
● 2026-05-25 13:09:56
○ 2026-05-25 14:33:56
○ 2026-05-25 21:44:46
● 2026-05-25 23:20:18
● 2026-05-26 00:49:50
○ 2026-05-26 02:22:18
○ 2026-06-06 22:26:38

○A18.161.34.322026-05-04 → 2026-05-26 · 40 obs

○A18.161.34.342026-05-04 → 2026-05-26 · 40 obs

○A18.161.34.962026-05-04 → 2026-05-26 · 40 obs

○A18.164.144.22026-05-27 → 2026-06-03 · 20 obs

○ 2026-05-27 12:42:48
● 2026-05-27 13:19:42
○ 2026-05-27 15:09:06
● 2026-05-27 17:52:32
○ 2026-05-27 21:18:02
○ 2026-05-28 17:22:20
● 2026-05-28 19:42:14
○ 2026-05-28 20:50:08
○ 2026-06-01 11:40:54
● 2026-06-01 12:25:52
● 2026-06-01 13:06:20
○ 2026-06-01 13:59:16
○ 2026-06-02 11:47:16
● 2026-06-02 13:19:54
● 2026-06-02 18:40:04
○ 2026-06-02 21:12:50
○ 2026-06-03 00:57:24
● 2026-06-03 01:44:52
○ 2026-06-03 05:46:54
○ 2026-06-06 22:26:38

○A18.164.144.422026-05-27 → 2026-06-03 · 20 obs

○A18.164.144.802026-05-27 → 2026-06-03 · 20 obs

○A18.164.144.92026-05-27 → 2026-06-03 · 20 obs

○A18.238.136.192026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-19 06:55:30
● 2026-05-19 09:23:58
○ 2026-05-19 12:06:24
○ 2026-06-06 22:26:38

○A18.238.136.472026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-19 06:55:30
● 2026-05-19 09:23:58
○ 2026-05-19 12:06:24
○ 2026-06-06 22:26:38

○A18.238.136.632026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-19 06:55:30
● 2026-05-19 09:23:58
○ 2026-05-19 12:06:24
○ 2026-06-06 22:26:38

○A18.238.136.72026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-19 06:55:30
● 2026-05-19 09:23:58
○ 2026-05-19 12:06:24
○ 2026-06-06 22:26:38

○A18.238.55.1052026-04-16 → 2026-05-26 · 17 obs

○ 2026-04-16 19:30:34
● 2026-04-16 23:57:12
● 2026-04-18 03:22:24
○ 2026-04-19 08:52:18
○ 2026-05-18 09:06:34
● 2026-05-18 10:55:20
○ 2026-05-18 13:41:26
○ 2026-05-19 12:06:24
● 2026-05-19 13:22:02
○ 2026-05-20 00:06:26
○ 2026-05-24 17:58:18
● 2026-05-24 20:25:06
○ 2026-05-24 22:37:16
○ 2026-05-26 17:48:18
● 2026-05-26 19:52:50
○ 2026-05-26 22:44:58
○ 2026-06-06 22:26:38

○A18.238.55.492026-04-16 → 2026-05-26 · 17 obs

○A18.238.55.542026-04-16 → 2026-05-26 · 17 obs

○A18.238.55.852026-04-16 → 2026-05-26 · 17 obs

○A216.137.53.1002026-03-19 → 2026-06-04 · 75 obs

○ 2026-03-19 03:17:36
● 2026-03-19 07:44:50
○ 2026-03-23 02:29:46
○ 2026-03-23 10:31:58
● 2026-03-23 12:28:00
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● 2026-03-24 03:10:52
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○ 2026-03-27 01:02:14
● 2026-03-27 04:35:48
○ 2026-03-27 10:15:30
● 2026-03-27 14:41:22
● 2026-03-28 06:56:14
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○ 2026-03-30 16:40:46
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● 2026-04-28 01:03:32
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● 2026-05-17 03:11:02
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● 2026-05-18 09:06:34
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● 2026-05-19 06:55:30
○ 2026-05-19 09:23:58
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● 2026-06-04 12:33:56
○ 2026-06-04 13:30:36
○ 2026-06-06 22:26:38

○A216.137.53.1212026-03-19 → 2026-06-04 · 75 obs

○A216.137.53.1262026-03-19 → 2026-06-04 · 75 obs

○A216.137.53.452026-03-19 → 2026-06-04 · 75 obs

○A3.170.185.1122026-05-20 → 2026-05-31 · 7 obs

○ 2026-05-20 06:43:52
● 2026-05-20 08:09:36
○ 2026-05-20 09:11:12
○ 2026-05-31 02:26:40
● 2026-05-31 09:27:08
○ 2026-05-31 13:21:26
○ 2026-06-06 22:26:38

○A3.170.185.322026-05-20 → 2026-05-31 · 7 obs

○ 2026-05-20 06:43:52
● 2026-05-20 08:09:36
○ 2026-05-20 09:11:12
○ 2026-05-31 02:26:40
● 2026-05-31 09:27:08
○ 2026-05-31 13:21:26
○ 2026-06-06 22:26:38

○A3.170.185.342026-05-20 → 2026-05-31 · 7 obs

○ 2026-05-20 06:43:52
● 2026-05-20 08:09:36
○ 2026-05-20 09:11:12
○ 2026-05-31 02:26:40
● 2026-05-31 09:27:08
○ 2026-05-31 13:21:26
○ 2026-06-06 22:26:38

○A3.170.185.892026-05-20 → 2026-05-31 · 7 obs

○ 2026-05-20 06:43:52
● 2026-05-20 08:09:36
○ 2026-05-20 09:11:12
○ 2026-05-31 02:26:40
● 2026-05-31 09:27:08
○ 2026-05-31 13:21:26
○ 2026-06-06 22:26:38

●A54.240.184.282026-04-29 → 2026-06-06 · 79 obs

○ 2026-04-28 01:03:32
● 2026-04-29 10:06:52
● 2026-04-29 14:02:30
○ 2026-04-29 23:18:42
○ 2026-05-04 00:34:04
● 2026-05-04 03:56:08
○ 2026-05-04 06:50:52
○ 2026-05-05 10:54:02
● 2026-05-05 20:00:50
○ 2026-05-06 10:16:00
○ 2026-05-10 05:53:04
● 2026-05-10 11:13:24
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● 2026-05-10 20:20:56
○ 2026-05-10 21:31:52
● 2026-05-11 01:45:16
○ 2026-05-11 02:22:46
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● 2026-05-12 17:06:26
○ 2026-05-12 18:20:30
○ 2026-05-16 04:25:48
● 2026-05-16 07:39:56
○ 2026-05-16 11:29:22
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●A54.240.184.382026-04-29 → 2026-06-06 · 79 obs

●A54.240.184.822026-04-29 → 2026-06-06 · 79 obs

●A54.240.184.902026-04-29 → 2026-06-06 · 79 obs

○A99.84.132.182026-05-05 → 2026-05-05 · 4 obs

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○A99.84.132.42026-05-05 → 2026-05-05 · 4 obs

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○A99.84.132.622026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-04 16:14:40
● 2026-05-05 10:54:02
○ 2026-05-05 20:00:50
○ 2026-06-06 22:26:38

○A99.84.132.822026-05-05 → 2026-05-05 · 4 obs

○ 2026-05-04 16:14:40
● 2026-05-05 10:54:02
○ 2026-05-05 20:00:50
○ 2026-06-06 22:26:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
aula-kosugi.com	ns-562.awsdns-06.net, ns-494.awsdns-61.com, ns-1959.awsdns-52.co.uk, ns-1456.awsdns-54.org	2 records

✅ Authoritative Response

Server:205.251.197.176

NS records: ns-562.awsdns-06.net, ns-494.awsdns-61.com, ns-1959.awsdns-52.co.uk, ns-1456.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aula-kosugi.com (unsigned zone)

⏱️ Timing

Total: 1954ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`54.240.184.28, 54.240.184.38...`
NS	4	`ns-1456.awsdns-54.org, ns-1959.awsdns-52.co.uk...`
SOA	1	`ns-494.awsdns-61.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-494.awsdns-61.com, ns-494.awsdns-61.com)

Analysis

IP Addresses

aula-kosugi.com points to 4 IP addresses — 54.240.184.28, 54.240.184.38, 54.240.184.82 and 54.240.184.90.

Name Servers

Authority for aula-kosugi.com is delegated across 4 name servers: ns-494.awsdns-61.com, ns-562.awsdns-06.net, ns-1456.awsdns-54.org and ns-1959.awsdns-52.co.uk.

aula-kosugi.com has at least partial name server overlap with other domains, such as big-mira.com, mbwollongong.com.au, trackmyrace.com and two others.

These name servers tend to appear in conjunction with ns-508.awsdns-63.com, ns-716.awsdns-25.net, ns-1288.awsdns-33.org and seven others.

ns-494.awsdns-61.com, ns-562.awsdns-06.net, ns-1456.awsdns-54.org and ns-1959.awsdns-52.co.uk all point to exactly two IP numbers each: ns-494.awsdns-61.com → 205.251.193.238 and 2600:9000:5301:ee00::1; ns-562.awsdns-06.net → 205.251.194.50 and 2600:9000:5302:3200::1; ns-1456.awsdns-54.org → 205.251.197.176 and 2600:9000:5305:b000::1; ns-1959.awsdns-52.co.uk → 205.251.199.167 and 2600:9000:5307:a700::1.

aula-kosugi.com - robtex.com

aula-kosugi.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

`aula-kosugi.com`

`com`