biochem.dev - dns.ninja

`biochem.dev`

DNSSEC	⚠️ Not signed
A	18.161.21.22^{🇺🇸 Amazon18.161.16.0/21}
		PTR	`server-18-161-21-22.bos50.r.cloudfront.net`
A	18.161.21.70^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.100^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.103^{🇺🇸 Amazon18.161.16.0/21}
NS	`ns-1051.awsdns-03.org` ⭐
		A	2600:9000:5304:1b00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1051.awsdns-03.org`
		A	205.251.196.27^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1051.awsdns-03.org`
NS	`ns-1668.awsdns-16.co.uk`
		A	2600:9000:5306:8400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1668.awsdns-16.co.uk`
		A	205.251.198.132^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1668.awsdns-16.co.uk`
NS	`ns-576.awsdns-08.net`
		A	2600:9000:5302:4000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-576.awsdns-08.net`
		A	205.251.194.64^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-576.awsdns-08.net`
NS	`ns-88.awsdns-11.com`
		A	2600:9000:5300:5800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-88.awsdns-11.com`
		A	205.251.192.88^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-88.awsdns-11.com`
SOA	`ns-1051.awsdns-03.org`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

76 records (8 active, 68 former)

●NSns-1051.awsdns-03.org2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 02:00:52
● 2026-08-02 11:00:16

●NSns-1668.awsdns-16.co.uk2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 02:00:52
● 2026-08-02 11:00:16

●NSns-576.awsdns-08.net2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 02:00:52
● 2026-08-02 11:00:16

●NSns-88.awsdns-11.com2026-02-16 → 2026-08-02 · 2 obs

● 2026-02-16 02:00:52
● 2026-08-02 11:00:16

○A108.138.64.1102026-03-11 → 2026-05-25 · 25 obs

○ 2026-03-09 15:13:38
● 2026-03-11 22:33:00
○ 2026-03-12 02:06:44
○ 2026-03-13 07:55:08
● 2026-03-14 00:09:30
○ 2026-03-14 01:25:28
○ 2026-03-19 02:03:58
● 2026-03-20 05:35:50
○ 2026-03-21 02:10:34
○ 2026-03-23 03:31:08
● 2026-03-23 11:21:14
○ 2026-03-24 14:14:20
○ 2026-03-27 10:39:46
● 2026-03-27 20:24:10
○ 2026-03-28 15:44:38
○ 2026-04-01 09:03:50
● 2026-04-03 20:32:12
○ 2026-04-05 22:06:36
○ 2026-04-17 21:32:14
● 2026-04-19 11:06:26
○ 2026-04-20 04:23:38
○ 2026-05-24 09:11:14
● 2026-05-25 16:06:24
○ 2026-05-25 18:53:12
○ 2026-08-02 11:00:16

○A108.138.64.182026-03-11 → 2026-05-25 · 25 obs

○A108.138.64.52026-03-11 → 2026-05-25 · 25 obs

○A108.138.64.872026-03-11 → 2026-05-25 · 25 obs

○A108.159.227.132026-05-19 → 2026-07-02 · 13 obs

○ 2026-05-19 16:48:58
● 2026-05-19 18:17:40
● 2026-05-20 22:47:50
○ 2026-05-21 07:35:18
● 2026-06-30 08:17:42
○ 2026-06-30 21:13:04
● 2026-07-01 08:19:00
○ 2026-07-01 17:52:52
● 2026-07-02 04:17:46
○ 2026-07-02 14:11:30
● 2026-07-02 20:18:10
○ 2026-07-02 23:26:40
○ 2026-08-02 11:00:16

○A108.159.227.372026-05-19 → 2026-07-02 · 13 obs

○A108.159.227.52026-05-19 → 2026-07-02 · 13 obs

○A108.159.227.612026-05-19 → 2026-07-02 · 13 obs

○A13.225.196.192026-04-06 → 2026-04-12 · 8 obs

○ 2026-04-06 04:08:18
● 2026-04-06 11:00:28
○ 2026-04-06 16:25:34
○ 2026-04-11 19:01:46
● 2026-04-12 10:30:54
● 2026-04-12 13:08:52
○ 2026-04-12 13:56:24
○ 2026-08-02 11:00:16

○A13.225.196.272026-04-06 → 2026-04-12 · 8 obs

○ 2026-04-06 04:08:18
● 2026-04-06 11:00:28
○ 2026-04-06 16:25:34
○ 2026-04-11 19:01:46
● 2026-04-12 10:30:54
● 2026-04-12 13:08:52
○ 2026-04-12 13:56:24
○ 2026-08-02 11:00:16

○A13.225.196.562026-04-06 → 2026-04-12 · 8 obs

○ 2026-04-06 04:08:18
● 2026-04-06 11:00:28
○ 2026-04-06 16:25:34
○ 2026-04-11 19:01:46
● 2026-04-12 10:30:54
● 2026-04-12 13:08:52
○ 2026-04-12 13:56:24
○ 2026-08-02 11:00:16

○A13.225.196.832026-04-06 → 2026-04-12 · 8 obs

○ 2026-04-06 04:08:18
● 2026-04-06 11:00:28
○ 2026-04-06 16:25:34
○ 2026-04-11 19:01:46
● 2026-04-12 10:30:54
● 2026-04-12 13:08:52
○ 2026-04-12 13:56:24
○ 2026-08-02 11:00:16

○A13.33.235.162026-03-24 → 2026-07-20 · 25 obs

○ 2026-03-24 14:14:20
● 2026-03-24 22:17:52
○ 2026-03-26 04:12:24
● 2026-07-11 08:18:22
○ 2026-07-12 03:31:28
○ 2026-07-12 15:12:00
● 2026-07-13 16:20:56
○ 2026-07-14 02:05:04
● 2026-07-14 04:20:34
○ 2026-07-14 21:21:00
● 2026-07-15 05:25:10
○ 2026-07-15 16:25:00
● 2026-07-16 04:16:00
● 2026-07-16 13:39:50
○ 2026-07-16 23:18:42
○ 2026-07-17 10:21:36
● 2026-07-18 07:27:14
○ 2026-07-18 13:23:38
● 2026-07-18 22:20:12
○ 2026-07-19 04:50:38
● 2026-07-19 15:49:04
○ 2026-07-19 17:37:10
● 2026-07-20 16:16:34
○ 2026-07-20 16:49:26
○ 2026-08-02 11:00:16

○A13.33.235.182026-03-24 → 2026-07-20 · 25 obs

○A13.33.235.92026-03-24 → 2026-07-20 · 25 obs

○A13.33.235.942026-03-24 → 2026-07-20 · 25 obs

○A13.35.107.1182026-07-15 → 2026-08-01 · 51 obs

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

○A13.35.107.532026-07-15 → 2026-08-01 · 51 obs

○A13.35.107.692026-07-15 → 2026-08-01 · 51 obs

○A13.35.107.942026-07-15 → 2026-08-01 · 51 obs

○A143.204.194.1212026-07-25 → 2026-07-28 · 32 obs

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

○A143.204.194.322026-07-25 → 2026-07-28 · 32 obs

○A143.204.194.42026-07-25 → 2026-07-28 · 32 obs

○A143.204.194.982026-07-25 → 2026-07-28 · 32 obs

○A143.204.29.1092026-04-16 → 2026-07-30 · 51 obs

○ 2026-04-12 13:56:24
● 2026-04-16 09:41:40
○ 2026-04-16 15:06:56
○ 2026-05-03 14:14:56
● 2026-05-03 17:24:36
○ 2026-05-04 00:32:52
○ 2026-05-07 08:22:46
● 2026-06-20 07:32:12
○ 2026-06-20 18:59:32
○ 2026-06-21 16:17:04
● 2026-06-23 08:18:04
○ 2026-06-23 17:58:52
● 2026-06-24 08:17:14
○ 2026-06-24 16:35:38
● 2026-06-25 08:17:42
○ 2026-06-26 09:51:50
● 2026-06-27 04:18:44
● 2026-06-28 20:17:08
○ 2026-06-29 04:51:24
● 2026-07-01 17:52:52
● 2026-07-02 14:11:30
○ 2026-07-02 20:18:10
● 2026-07-20 09:13:24
○ 2026-07-20 10:49:26
● 2026-07-28 11:39:34
○ 2026-07-28 12:17:20
● 2026-07-28 13:23:52
○ 2026-07-28 16:17:48
● 2026-07-28 19:31:50
○ 2026-07-29 00:17:18
● 2026-07-29 01:14:14
○ 2026-07-29 05:10:04
● 2026-07-29 06:15:50
○ 2026-07-29 12:17:44
● 2026-07-29 18:02:06
○ 2026-07-29 18:33:48
● 2026-07-29 19:14:24
○ 2026-07-29 20:17:34
● 2026-07-30 00:39:00
○ 2026-07-30 01:21:02
● 2026-07-30 04:06:06
○ 2026-07-30 08:15:12
● 2026-07-30 08:50:02
○ 2026-07-30 10:05:02
● 2026-07-30 11:44:00
○ 2026-07-30 12:22:24
● 2026-07-30 13:27:34
○ 2026-07-30 16:16:02
● 2026-07-30 17:37:42
○ 2026-07-30 18:29:32
○ 2026-08-02 11:00:16

○A143.204.29.1162026-04-16 → 2026-07-30 · 51 obs

○A143.204.29.372026-04-16 → 2026-07-30 · 51 obs

○A143.204.29.932026-04-16 → 2026-07-30 · 51 obs

○A18.154.227.1012026-02-22 → 2026-07-12 · 10 obs

○ 2026-02-21 11:35:00
● 2026-02-22 16:23:56
○ 2026-02-23 01:26:02
● 2026-07-09 18:52:42
○ 2026-07-09 20:18:54
● 2026-07-12 03:31:28
○ 2026-07-12 07:15:26
● 2026-07-12 15:12:00
○ 2026-07-12 18:53:40
○ 2026-08-02 11:00:16

○A18.154.227.1222026-02-22 → 2026-07-12 · 10 obs

○A18.154.227.592026-02-22 → 2026-07-12 · 10 obs

○A18.154.227.792026-02-22 → 2026-07-12 · 10 obs

○A18.154.84.1242026-02-18 → 2026-06-30 · 24 obs

○ 2026-02-16 03:11:48
● 2026-02-18 00:37:50
○ 2026-02-19 21:18:56
○ 2026-02-20 11:29:08
● 2026-02-21 05:25:10
● 2026-03-06 17:11:20
○ 2026-03-09 01:14:12
○ 2026-03-24 22:17:52
● 2026-03-26 04:12:24
● 2026-04-17 21:32:14
○ 2026-04-24 17:37:16
○ 2026-05-08 04:54:58
● 2026-05-09 07:18:32
● 2026-05-16 13:13:02
○ 2026-05-17 03:01:52
○ 2026-06-08 14:27:00
● 2026-06-09 18:59:28
● 2026-06-22 05:14:48
○ 2026-06-28 20:17:08
● 2026-06-30 03:44:44
○ 2026-06-30 08:17:42
● 2026-06-30 21:13:04
○ 2026-07-01 08:19:00
○ 2026-08-02 11:00:16

○A18.154.84.392026-02-18 → 2026-06-30 · 24 obs

○A18.154.84.452026-02-18 → 2026-06-30 · 24 obs

○A18.154.84.942026-02-18 → 2026-06-30 · 24 obs

○A18.155.1.432026-07-26 → 2026-07-26 · 6 obs

○ 2026-07-26 16:15:42
● 2026-07-26 19:11:40
○ 2026-07-26 20:01:12
● 2026-07-26 22:06:28
○ 2026-07-27 04:07:42
○ 2026-08-02 11:00:16

○A18.155.1.472026-07-26 → 2026-07-26 · 6 obs

○ 2026-07-26 16:15:42
● 2026-07-26 19:11:40
○ 2026-07-26 20:01:12
● 2026-07-26 22:06:28
○ 2026-07-27 04:07:42
○ 2026-08-02 11:00:16

○A18.155.1.632026-07-26 → 2026-07-26 · 6 obs

○ 2026-07-26 16:15:42
● 2026-07-26 19:11:40
○ 2026-07-26 20:01:12
● 2026-07-26 22:06:28
○ 2026-07-27 04:07:42
○ 2026-08-02 11:00:16

○A18.155.1.72026-07-26 → 2026-07-26 · 6 obs

○ 2026-07-26 16:15:42
● 2026-07-26 19:11:40
○ 2026-07-26 20:01:12
● 2026-07-26 22:06:28
○ 2026-07-27 04:07:42
○ 2026-08-02 11:00:16

○A18.160.41.1092026-02-20 → 2026-07-01 · 24 obs

○ 2026-02-16 02:00:52
○ 2026-02-19 21:18:56
● 2026-02-20 11:29:08
○ 2026-02-21 05:25:10
● 2026-02-21 11:35:00
○ 2026-02-22 16:23:56
○ 2026-03-01 07:21:10
● 2026-03-02 14:36:10
○ 2026-03-02 17:44:36
○ 2026-06-15 14:06:26
● 2026-06-16 15:32:36
○ 2026-06-17 18:34:20
● 2026-06-19 15:24:34
○ 2026-06-19 21:33:08
● 2026-06-21 20:17:10
○ 2026-06-22 13:42:34
● 2026-06-24 07:21:04
○ 2026-06-24 08:17:14
● 2026-06-29 03:06:18
● 2026-06-30 03:05:16
○ 2026-06-30 03:44:44
● 2026-07-01 18:51:16
○ 2026-07-02 04:17:46
○ 2026-08-02 11:00:16

○A18.160.41.302026-02-20 → 2026-07-01 · 24 obs

○A18.160.41.522026-02-20 → 2026-07-01 · 24 obs

○A18.160.41.932026-02-20 → 2026-07-01 · 24 obs

●A18.161.21.1002026-03-09 → 2026-08-02 · 25 obs

○ 2026-03-08 09:48:54
● 2026-03-09 01:14:12
○ 2026-03-09 15:13:38
○ 2026-04-21 15:33:08
● 2026-04-21 22:58:34
○ 2026-04-22 04:12:44
○ 2026-05-01 05:47:00
● 2026-05-02 01:49:18
○ 2026-05-02 12:39:52
● 2026-05-03 02:50:20
○ 2026-05-03 08:34:36
○ 2026-05-03 17:24:36
● 2026-05-04 00:32:52
○ 2026-05-04 07:24:06
○ 2026-05-07 17:14:56
● 2026-05-08 04:54:58
○ 2026-05-08 10:23:04
○ 2026-05-09 07:18:32
● 2026-05-10 05:29:28
○ 2026-05-10 12:01:32
○ 2026-05-19 02:08:48
● 2026-05-19 16:48:58
○ 2026-05-19 18:17:40
● 2026-08-02 11:00:14
● 2026-08-02 11:00:16

●A18.161.21.1032026-03-09 → 2026-08-02 · 25 obs

●A18.161.21.222026-03-09 → 2026-08-02 · 25 obs

●A18.161.21.702026-03-09 → 2026-08-02 · 25 obs

○A18.238.49.1052026-02-16 → 2026-04-11 · 22 obs

○ 2026-02-16 02:00:52
● 2026-02-16 03:11:48
○ 2026-02-18 00:37:50
○ 2026-03-07 23:25:22
● 2026-03-08 00:11:18
● 2026-03-08 09:48:54
○ 2026-03-09 01:14:12
○ 2026-03-14 00:09:30
● 2026-03-14 01:25:28
○ 2026-03-14 02:14:12
● 2026-03-14 10:07:48
○ 2026-03-14 11:17:00
○ 2026-03-14 13:09:28
● 2026-03-14 14:18:28
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○A18.238.49.332026-02-16 → 2026-04-11 · 22 obs

○A18.238.49.782026-02-16 → 2026-04-11 · 22 obs

○A18.238.49.972026-02-16 → 2026-04-11 · 22 obs

○A18.66.171.1042026-02-28 → 2026-03-22 · 7 obs

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○A18.66.171.162026-02-28 → 2026-03-22 · 7 obs

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○A18.66.171.312026-02-28 → 2026-03-22 · 7 obs

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○A18.66.171.672026-02-28 → 2026-03-22 · 7 obs

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○A3.161.213.322026-04-06 → 2026-05-07 · 7 obs

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○A3.161.213.42026-04-06 → 2026-05-07 · 7 obs

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○A3.161.213.452026-04-06 → 2026-05-07 · 7 obs

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○A3.161.213.802026-04-06 → 2026-05-07 · 7 obs

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○A3.166.181.1142026-03-31 → 2026-08-02 · 79 obs

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○A3.166.181.602026-03-31 → 2026-08-02 · 79 obs

○A3.166.181.682026-03-31 → 2026-08-02 · 79 obs

○A3.166.181.832026-03-31 → 2026-08-02 · 79 obs

○A3.170.185.432026-05-21 → 2026-06-08 · 19 obs

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○A3.170.185.472026-05-21 → 2026-06-08 · 19 obs

○A3.170.185.722026-05-21 → 2026-06-08 · 19 obs

○A3.170.185.792026-05-21 → 2026-06-08 · 19 obs

○A99.84.215.1192026-02-16 → 2026-08-02 · 68 obs

● 2026-02-16 02:00:52
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○A99.84.215.1252026-02-16 → 2026-08-02 · 68 obs

○A99.84.215.692026-02-16 → 2026-08-02 · 68 obs

○A99.84.215.92026-02-16 → 2026-08-02 · 68 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
biochem.dev	ns-576.awsdns-08.net, ns-88.awsdns-11.com, ns-1668.awsdns-16.co.uk, ns-1051.awsdns-03.org	-

✅ Authoritative Response

Server:205.251.196.27

NS records: ns-576.awsdns-08.net, ns-88.awsdns-11.com, ns-1668.awsdns-16.co.uk, ns-1051.awsdns-03.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biochem.dev (unsigned zone)

⏱️ Timing

Total: 640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.161.21.100, 18.161.21.103...`
NS	4	`ns-1051.awsdns-03.org, ns-1668.awsdns-16.co.uk...`
SOA	1	`ns-1051.awsdns-03.org awsdns-hostmaster.`

Analysis

IP Addresses

biochem.dev resolves to four IP addresses: 18.161.21.22, 18.161.21.70, 18.161.21.100 and 18.161.21.103.

d1klx84kqe7rye.cloudfront.net, d20pi8fisjmxdt.cloudfront.net, emmanuelcareers.com.au and two other host names share IP numbers with biochem.dev.

Name Servers

The authoritative name servers for biochem.dev are ns-88.awsdns-11.com, ns-576.awsdns-08.net, ns-1051.awsdns-03.org and ns-1668.awsdns-16.co.uk.

biochem.dev partially shares its NS delegation with several other domains, including a2c.com.br, bluesquare.group, vn-nest.tech and two others.

ns-88.awsdns-11.com, ns-576.awsdns-08.net, ns-1051.awsdns-03.org and ns-1668.awsdns-16.co.uk each carry two IP addresses. ns-88.awsdns-11.com has 205.251.192.88 and 2600:9000:5300:5800::1; ns-576.awsdns-08.net has 205.251.194.64 and 2600:9000:5302:4000::1; ns-1051.awsdns-03.org has 205.251.196.27 and 2600:9000:5304:1b00::1; ns-1668.awsdns-16.co.uk has 205.251.198.132 and 2600:9000:5306:8400::1.