`builderhead.co`

DNSSEC	⚠️ Not signed
A	3.167.56.11^{🇺🇸 Amazon}
		PTR	`server-3-167-56-11.iad61.r.cloudfront.net`
A	3.167.56.33^{🇺🇸 Amazon}
A	3.167.56.46^{🇺🇸 Amazon}
A	3.167.56.99^{🇺🇸 Amazon}
NS	`ns-294.awsdns-36.com` ⭐
		A	2600:9000:5301:2600::1^{🇺🇸 Amazon}
			PTR	`ns-294.awsdns-36.com`
		A	205.251.193.38^{🇺🇸 Amazon}
			PTR	`ns-294.awsdns-36.com`
NS	`ns-1306.awsdns-35.org`
		A	2600:9000:5305:1a00::1^{🇺🇸 Amazon}
			PTR	`ns-1306.awsdns-35.org`
		A	205.251.197.26^{🇺🇸 Amazon}
			PTR	`ns-1306.awsdns-35.org`
NS	`ns-1852.awsdns-39.co.uk`
		A	2600:9000:5307:3c00::1^{🇺🇸 Amazon}
			PTR	`ns-1852.awsdns-39.co.uk`
		A	205.251.199.60^{🇺🇸 Amazon}
			PTR	`ns-1852.awsdns-39.co.uk`
NS	`ns-805.awsdns-36.net`
		A	2600:9000:5303:2500::1^{🇺🇸 Amazon}
			PTR	`ns-805.awsdns-36.net`
		A	205.251.195.37^{🇺🇸 Amazon}
			PTR	`ns-805.awsdns-36.net`
SOA	`ns-294.awsdns-36.com`awsdns-hostmaster@amazon.com serial=1

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co` 🔒
	NS	`b.registrydns.co` 🔒
	NS	`c.registrydns.co` 🔒
	NS	`d.registrydns.co` 🔒
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759588016

Same first word

builderhead.co

builderhead.com

DNS History

24 records (8 active, 16 former)

●NSns-1306.awsdns-35.org2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 18:25:00
● 2026-02-24 17:40:10

●NSns-1852.awsdns-39.co.uk2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 18:25:00
● 2026-02-24 17:40:10

●NSns-294.awsdns-36.com2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 18:25:00
● 2026-02-24 17:40:10

●NSns-805.awsdns-36.net2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 18:25:00
● 2026-02-24 17:40:10

○A18.164.154.582026-02-15 → 2026-02-24 · 54 obs

○ 2026-02-14 19:45:26
● 2026-02-15 09:20:30
○ 2026-02-15 13:06:28
○ 2026-02-16 02:23:06
● 2026-02-16 04:43:40
○ 2026-02-16 08:18:10
○ 2026-02-17 00:30:08
● 2026-02-17 01:45:06
● 2026-02-17 11:11:46
○ 2026-02-17 13:20:56
○ 2026-02-18 03:08:32
● 2026-02-18 04:14:48
● 2026-02-18 05:49:54
○ 2026-02-18 07:37:30
○ 2026-02-18 19:39:16
● 2026-02-18 22:31:16
○ 2026-02-18 23:41:50
● 2026-02-19 00:49:26
○ 2026-02-19 02:04:00
○ 2026-02-19 13:53:54
● 2026-02-19 15:35:24
○ 2026-02-19 18:32:20
○ 2026-02-20 00:20:54
● 2026-02-20 00:57:00
○ 2026-02-20 03:26:40
○ 2026-02-20 20:47:40
● 2026-02-20 21:36:54
○ 2026-02-21 01:49:42
○ 2026-02-21 02:44:48
● 2026-02-21 05:47:48
○ 2026-02-21 08:24:34
○ 2026-02-21 14:12:32
● 2026-02-21 17:22:32
○ 2026-02-22 00:30:40
○ 2026-02-22 07:43:50
● 2026-02-22 13:35:14
○ 2026-02-22 19:04:46
○ 2026-02-23 02:04:40
● 2026-02-23 06:32:52
● 2026-02-23 13:17:18
○ 2026-02-23 13:50:02
● 2026-02-23 16:45:36
○ 2026-02-23 18:24:14
○ 2026-02-23 19:34:34
● 2026-02-23 20:26:42
○ 2026-02-23 22:49:28
● 2026-02-24 00:23:36
● 2026-02-24 05:31:56
○ 2026-02-24 07:44:40
● 2026-02-24 11:26:58
○ 2026-02-24 12:27:16
○ 2026-02-24 14:46:28
● 2026-02-24 16:39:10
○ 2026-02-24 17:40:10

○A18.164.154.592026-02-15 → 2026-02-24 · 54 obs

○A18.164.154.732026-02-15 → 2026-02-24 · 54 obs

○A18.164.154.952026-02-15 → 2026-02-24 · 54 obs

○A18.165.201.1052026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 01:37:54
● 2026-02-18 03:08:32
○ 2026-02-18 04:14:48
○ 2026-02-24 17:40:10

○A18.165.201.122026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 01:37:54
● 2026-02-18 03:08:32
○ 2026-02-18 04:14:48
○ 2026-02-24 17:40:10

○A18.165.201.602026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 01:37:54
● 2026-02-18 03:08:32
○ 2026-02-18 04:14:48
○ 2026-02-24 17:40:10

○A18.165.201.682026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-18 01:37:54
● 2026-02-18 03:08:32
○ 2026-02-18 04:14:48
○ 2026-02-24 17:40:10

○A3.166.65.1012026-02-15 → 2026-02-24 · 59 obs

○ 2026-02-15 09:20:30
● 2026-02-15 13:06:28
● 2026-02-16 02:23:06
○ 2026-02-16 04:43:40
● 2026-02-16 08:18:10
● 2026-02-16 08:54:08
○ 2026-02-16 13:38:14
● 2026-02-16 15:50:22
● 2026-02-17 00:30:08
○ 2026-02-17 01:45:06
○ 2026-02-17 11:11:46
● 2026-02-17 13:20:56
● 2026-02-18 01:37:54
○ 2026-02-18 03:08:32
○ 2026-02-18 05:49:54
● 2026-02-18 07:37:30
● 2026-02-18 18:06:24
○ 2026-02-18 19:39:16
○ 2026-02-18 22:31:16
● 2026-02-18 23:41:50
○ 2026-02-19 00:49:26
● 2026-02-19 02:04:00
○ 2026-02-19 06:03:12
● 2026-02-19 07:40:08
● 2026-02-19 13:53:54
○ 2026-02-19 15:35:24
● 2026-02-19 18:32:20
● 2026-02-20 00:20:54
○ 2026-02-20 00:57:00
○ 2026-02-20 03:26:40
● 2026-02-20 09:10:40
● 2026-02-20 20:47:40
○ 2026-02-20 21:36:54
● 2026-02-21 01:49:42
● 2026-02-21 02:44:48
○ 2026-02-21 05:47:48
● 2026-02-21 08:24:34
● 2026-02-21 11:30:38
○ 2026-02-21 14:12:32
○ 2026-02-21 17:22:32
● 2026-02-22 00:30:40
● 2026-02-22 07:43:50
○ 2026-02-22 13:35:14
● 2026-02-22 19:04:46
● 2026-02-23 02:04:40
○ 2026-02-23 06:32:52
○ 2026-02-23 13:17:18
● 2026-02-23 13:50:02
○ 2026-02-23 16:45:36
○ 2026-02-23 18:24:14
● 2026-02-23 19:34:34
○ 2026-02-23 20:26:42
○ 2026-02-24 05:31:56
● 2026-02-24 07:44:40
○ 2026-02-24 11:26:58
● 2026-02-24 12:27:16
● 2026-02-24 14:46:28
○ 2026-02-24 16:39:10
○ 2026-02-24 17:40:10

○A3.166.65.192026-02-15 → 2026-02-24 · 59 obs

○A3.166.65.22026-02-15 → 2026-02-24 · 59 obs

○A3.166.65.792026-02-15 → 2026-02-24 · 59 obs

●A3.167.56.112026-02-14 → 2026-02-24 · 23 obs

● 2026-02-14 18:25:00
● 2026-02-14 19:45:26
○ 2026-02-15 09:20:30
○ 2026-02-18 18:06:24
● 2026-02-18 19:39:16
○ 2026-02-18 22:31:16
○ 2026-02-19 02:04:00
● 2026-02-19 06:03:12
○ 2026-02-19 07:40:08
○ 2026-02-20 00:57:00
● 2026-02-20 03:26:40
○ 2026-02-20 09:10:40
○ 2026-02-21 11:30:38
● 2026-02-21 14:12:32
○ 2026-02-21 17:22:32
○ 2026-02-23 16:45:36
● 2026-02-23 18:24:14
○ 2026-02-23 19:34:34
○ 2026-02-23 20:26:42
● 2026-02-23 22:49:28
○ 2026-02-24 00:23:36
○ 2026-02-24 16:39:10
● 2026-02-24 17:40:10

●A3.167.56.332026-02-14 → 2026-02-24 · 23 obs

●A3.167.56.462026-02-14 → 2026-02-24 · 23 obs

●A3.167.56.992026-02-14 → 2026-02-24 · 23 obs

○A52.222.244.332026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 08:54:08
● 2026-02-16 13:38:14
○ 2026-02-16 15:50:22
○ 2026-02-24 17:40:10

○A52.222.244.402026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 08:54:08
● 2026-02-16 13:38:14
○ 2026-02-16 15:50:22
○ 2026-02-24 17:40:10

○A52.222.244.492026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 08:54:08
● 2026-02-16 13:38:14
○ 2026-02-16 15:50:22
○ 2026-02-24 17:40:10

○A52.222.244.832026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 08:54:08
● 2026-02-16 13:38:14
○ 2026-02-16 15:50:22
○ 2026-02-24 17:40:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
builderhead.co	ns-294.awsdns-36.com, ns-805.awsdns-36.net, ns-1306.awsdns-35.org, ns-1852.awsdns-39.co.uk	-

✅ Authoritative Response

Server: 205.251.193.38

NS records: ns-294.awsdns-36.com, ns-805.awsdns-36.net, ns-1306.awsdns-35.org, ns-1852.awsdns-39.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builderhead.co (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.56.46, 3.167.56.11...`
NS	4	`ns-1306.awsdns-35.org, ns-1852.awsdns-39.co.uk...`
SOA	1	`ns-294.awsdns-36.com awsdns-hostmaster.a`

AI analysis

Four IP numbers are pointed to by builderhead.co: 3.167.56.11, 3.167.56.33, 3.167.56.46 and 3.167.56.99.

other host names including www.fukunaga-tax.com, campusreading.uk, intellihr.io, nikemanchester.co.uk and 888game88.com share IP numbers with builderhead.co.

builderhead.co is delegated to four name servers: ns-294.awsdns-36.com, ns-805.awsdns-36.net, ns-1306.awsdns-35.org and ns-1852.awsdns-39.co.uk.

builderhead.co at least partially shares name servers with other domains, for instance hey-family.uk, sky-egg.jp, test.elasticnoggin.com, ehealth24x7.com and stomata.io.

These name servers are commonly used alongside ns-204.awsdns-25.com, ns-761.awsdns-31.net, ns-1716.awsdns-22.co.uk, ns-451.awsdns-56.com, ns-538.awsdns-03.net and ns-1738.awsdns-25.co.uk.

Host names with two IP numbers:

ns-294.awsdns-36.com points to 2600:9000:5301:2600::1 and 205.251.193.38; ns-805.awsdns-36.net points to 2600:9000:5303:2500::1 and 205.251.195.37; ns-1306.awsdns-35.org points to 2600:9000:5305:1a00::1 and 205.251.197.26; ns-1852.awsdns-39.co.uk points to 2600:9000:5307:3c00::1 and 205.251.199.60.

builderhead.co - robtex.com

builderhead.co

co

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

AI analysis

`builderhead.co`

`co`