headfirst.ca - dns.ninja

`headfirst.ca`

DNSSEC	⚠️ Not signed
A	3.166.192.54^{🇺🇸 Amazon3.166.192.0/21}
		PTR	`server-3-166-192-54.phl51.r.cloudfront.net`
A	3.166.192.61^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.103^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.125^{🇺🇸 Amazon3.166.192.0/21}
NS	`ns-2003.awsdns-58.co.uk` ⭐
		A	2600:9000:5307:d300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2003.awsdns-58.co.uk`
		A	205.251.199.211^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2003.awsdns-58.co.uk`
NS	`ns-1097.awsdns-09.org`
		A	2600:9000:5304:4900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1097.awsdns-09.org`
		A	205.251.196.73^{🇺🇸 Amazon205.251.196.0/24 prefix}
NS	`ns-23.awsdns-02.com`
		A	2600:9000:5300:1700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-23.awsdns-02.com`
		A	205.251.192.23^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-23.awsdns-02.com`
NS	`ns-960.awsdns-56.net`
		A	2600:9000:5303:c000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-960.awsdns-56.net`
		A	205.251.195.192^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-960.awsdns-56.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
SOA	`ns-2003.awsdns-58.co.uk`awsdns-hostmaster@amazon.com serial=1

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2607221130

Same first word

headfirst.ch

headfirst.ca

headfirst.group

headfirst.cloud

headfirst.nl

headfirst.mobi

headfirst.ru

headfirst.(0x787878)

headfirst.fr

headfirst.it

headfirst.co

headfirst.de

headfirst.net.au

headfirst.fm

headfirst.pl

headfirst.co.nz

headfirst.com

headfirst.net

Similar names

DNS History

106 records (13 active, 93 former)

●NSns-1097.awsdns-09.org2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

●NSns-2003.awsdns-58.co.uk2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

●NSns-23.awsdns-02.com2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

●NSns-960.awsdns-56.net2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

○NSns1.webfaction.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

○NSns2.webfaction.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

○NSns3.webfaction.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

○NSns4.webfaction.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

●MXalt1.aspmx.l.google.com2015-07-11 → 2026-07-22 · 2 obs

● 2015-07-11 01:21:46
● 2026-07-22 12:22:32

●MXalt2.aspmx.l.google.com2015-07-11 → 2026-07-22 · 2 obs

● 2015-07-11 01:21:46
● 2026-07-22 12:22:32

●MXalt3.aspmx.l.google.com2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

●MXalt4.aspmx.l.google.com2017-04-03 → 2026-07-22 · 3 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
● 2026-07-22 12:22:32

●MXaspmx.l.google.com2015-07-11 → 2026-07-22 · 2 obs

● 2015-07-11 01:21:46
● 2026-07-22 12:22:32

○MXaspmx2.googlemail.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

○MXaspmx3.googlemail.com2015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

○A108.156.152.1222026-03-30 → 2026-06-30 · 18 obs

○ 2026-03-30 04:53:04
● 2026-03-30 07:14:28
○ 2026-03-30 08:05:32
● 2026-03-30 09:39:34
○ 2026-03-30 10:28:42
○ 2026-04-01 15:50:26
● 2026-04-03 08:19:38
○ 2026-04-05 12:24:58
○ 2026-05-21 23:10:08
● 2026-06-18 23:29:06
○ 2026-06-21 08:43:24
● 2026-06-23 10:59:30
○ 2026-06-27 04:00:14
● 2026-06-29 17:22:36
○ 2026-06-29 21:22:16
● 2026-06-30 02:56:26
○ 2026-06-30 05:47:28
○ 2026-07-22 12:22:32

○A108.156.152.332026-03-30 → 2026-06-30 · 18 obs

○A108.156.152.352026-03-30 → 2026-06-30 · 18 obs

○A108.156.152.62026-03-30 → 2026-06-30 · 18 obs

○A13.32.241.1042026-03-07 → 2026-03-30 · 15 obs

○ 2026-03-07 19:13:52
● 2026-03-07 23:06:52
● 2026-03-08 00:11:04
○ 2026-03-08 01:03:26
○ 2026-03-08 07:23:12
● 2026-03-08 09:41:40
● 2026-03-08 14:01:30
○ 2026-03-08 15:00:12
○ 2026-03-14 02:04:10
● 2026-03-14 16:11:02
○ 2026-03-14 17:10:30
○ 2026-03-28 23:07:48
● 2026-03-30 02:42:42
○ 2026-03-30 04:53:04
○ 2026-07-22 12:22:32

○A13.32.241.552026-03-07 → 2026-03-30 · 15 obs

○A13.32.241.642026-03-07 → 2026-03-30 · 15 obs

○A13.32.241.832026-03-07 → 2026-03-30 · 15 obs

○A13.33.235.1072026-03-23 → 2026-07-20 · 18 obs

○ 2026-03-21 10:42:24
● 2026-03-23 02:33:26
○ 2026-03-23 03:51:36
○ 2026-03-24 02:48:42
● 2026-03-24 13:34:22
○ 2026-03-26 03:53:58
○ 2026-06-03 03:21:08
● 2026-07-11 09:55:48
○ 2026-07-12 09:19:58
● 2026-07-13 20:48:14
● 2026-07-16 10:21:38
○ 2026-07-17 03:01:04
● 2026-07-18 07:33:02
● 2026-07-19 06:38:56
○ 2026-07-19 07:34:46
● 2026-07-20 11:25:44
○ 2026-07-20 12:53:56
○ 2026-07-22 12:22:32

○A13.33.235.372026-03-23 → 2026-07-20 · 18 obs

○A13.33.235.42026-03-23 → 2026-07-20 · 18 obs

○A13.33.235.782026-03-23 → 2026-07-20 · 18 obs

○A13.33.82.382026-03-09 → 2026-05-09 · 18 obs

○ 2026-03-08 15:00:12
● 2026-03-09 00:13:52
○ 2026-03-09 14:00:20
○ 2026-04-21 23:42:54
● 2026-04-22 23:11:54
○ 2026-04-23 00:31:20
○ 2026-04-24 00:15:22
● 2026-04-24 03:01:32
○ 2026-04-24 10:27:16
● 2026-04-24 23:11:30
○ 2026-04-24 23:52:40
○ 2026-05-03 20:01:32
● 2026-05-04 03:30:48
○ 2026-05-04 07:04:56
○ 2026-05-09 10:05:50
● 2026-05-09 12:12:20
○ 2026-05-09 14:29:18
○ 2026-07-22 12:22:32

○A13.33.82.472026-03-09 → 2026-05-09 · 18 obs

○A13.33.82.882026-03-09 → 2026-05-09 · 18 obs

○A13.33.82.952026-03-09 → 2026-05-09 · 18 obs

○A13.35.20.102026-05-29 → 2026-06-03 · 14 obs

○ 2026-05-29 00:16:26
● 2026-05-29 10:09:58
○ 2026-05-29 11:22:32
● 2026-05-29 14:59:30
● 2026-05-29 15:53:12
○ 2026-05-29 18:05:44
○ 2026-06-02 12:55:28
● 2026-06-02 17:13:54
● 2026-06-02 19:13:18
○ 2026-06-02 20:58:10
○ 2026-06-03 09:49:04
● 2026-06-03 10:49:26
○ 2026-06-03 11:27:30
○ 2026-07-22 12:22:32

○A13.35.20.662026-05-29 → 2026-06-03 · 14 obs

○A13.35.20.932026-05-29 → 2026-06-03 · 14 obs

○A13.35.20.992026-05-29 → 2026-06-03 · 14 obs

○A13.35.36.1092026-05-27 → 2026-06-02 · 10 obs

○ 2026-05-27 08:02:10
● 2026-05-27 11:33:36
○ 2026-05-27 13:20:56
○ 2026-05-28 19:00:56
● 2026-05-28 23:09:14
○ 2026-05-29 00:16:26
○ 2026-06-01 22:05:46
● 2026-06-02 01:59:02
○ 2026-06-02 05:00:22
○ 2026-07-22 12:22:32

○A13.35.36.112026-05-27 → 2026-06-02 · 10 obs

○A13.35.36.622026-05-27 → 2026-06-02 · 10 obs

○A13.35.36.852026-05-27 → 2026-06-02 · 10 obs

○A18.165.25.1062026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-20 17:02:42
● 2026-03-21 08:43:58
● 2026-03-21 09:24:42
○ 2026-03-21 10:42:24
○ 2026-07-22 12:22:32

○A18.165.25.122026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-20 17:02:42
● 2026-03-21 08:43:58
● 2026-03-21 09:24:42
○ 2026-03-21 10:42:24
○ 2026-07-22 12:22:32

○A18.165.25.52026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-20 17:02:42
● 2026-03-21 08:43:58
● 2026-03-21 09:24:42
○ 2026-03-21 10:42:24
○ 2026-07-22 12:22:32

○A18.165.25.832026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-20 17:02:42
● 2026-03-21 08:43:58
● 2026-03-21 09:24:42
○ 2026-03-21 10:42:24
○ 2026-07-22 12:22:32

○A18.239.183.1142026-05-10 → 2026-05-21 · 16 obs

○ 2026-05-09 14:29:18
● 2026-05-10 15:56:48
○ 2026-05-10 16:39:30
○ 2026-05-13 13:55:14
● 2026-05-13 14:31:02
○ 2026-05-13 15:55:04
○ 2026-05-14 09:49:10
● 2026-05-14 19:58:18
○ 2026-05-15 02:47:40
○ 2026-05-19 08:44:36
● 2026-05-19 16:32:10
○ 2026-05-19 20:38:44
○ 2026-05-21 02:29:24
● 2026-05-21 03:06:10
○ 2026-05-21 05:13:22
○ 2026-07-22 12:22:32

○A18.239.183.22026-05-10 → 2026-05-21 · 16 obs

○A18.239.183.572026-05-10 → 2026-05-21 · 16 obs

○A18.239.183.802026-05-10 → 2026-05-21 · 16 obs

○A18.245.162.1052026-02-18 → 2026-06-30 · 18 obs

○ 2017-04-03 03:08:00
● 2026-02-18 03:27:02
● 2026-02-18 09:47:48
○ 2026-02-18 13:19:02
● 2026-02-18 20:29:34
○ 2026-02-19 06:19:40
○ 2026-03-07 00:28:08
● 2026-03-07 19:13:52
○ 2026-03-23 23:08:48
○ 2026-05-01 09:31:50
● 2026-05-05 23:03:00
○ 2026-05-19 04:33:58
○ 2026-06-23 06:16:34
● 2026-06-30 05:47:28
○ 2026-06-30 14:47:36
● 2026-06-30 17:39:06
○ 2026-06-30 22:44:46
○ 2026-07-22 12:22:32

○A18.245.162.1142026-02-18 → 2026-06-30 · 18 obs

○A18.245.162.652026-02-18 → 2026-06-30 · 18 obs

○A18.245.162.722026-02-18 → 2026-06-30 · 18 obs

○A18.64.183.1092026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-21 23:10:08
● 2026-05-27 08:02:10
○ 2026-05-27 11:33:36
○ 2026-07-22 12:22:32

○A18.64.183.642026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-21 23:10:08
● 2026-05-27 08:02:10
○ 2026-05-27 11:33:36
○ 2026-07-22 12:22:32

○A18.64.183.752026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-21 23:10:08
● 2026-05-27 08:02:10
○ 2026-05-27 11:33:36
○ 2026-07-22 12:22:32

○A18.64.183.802026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-21 23:10:08
● 2026-05-27 08:02:10
○ 2026-05-27 11:33:36
○ 2026-07-22 12:22:32

○A18.67.162.1272026-06-13 → 2026-07-22 · 18 obs

○ 2026-06-11 09:31:12
● 2026-06-13 14:17:56
○ 2026-06-13 15:45:20
○ 2026-06-13 16:17:30
● 2026-06-13 18:05:12
○ 2026-06-15 20:19:30
● 2026-06-30 22:44:46
● 2026-07-03 19:15:56
○ 2026-07-05 02:20:36
● 2026-07-07 17:01:34
○ 2026-07-10 19:44:42
○ 2026-07-15 08:22:48
● 2026-07-17 03:01:04
● 2026-07-21 16:06:22
○ 2026-07-21 22:44:46
● 2026-07-22 01:44:50
○ 2026-07-22 10:13:46
○ 2026-07-22 12:22:32

○A18.67.162.222026-06-13 → 2026-07-22 · 18 obs

○A18.67.162.352026-06-13 → 2026-07-22 · 18 obs

○A18.67.162.62026-06-13 → 2026-07-22 · 18 obs

○A2607:f0d0:1104:4:32::862015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

●A3.166.192.1032026-07-13 → 2026-07-22 · 18 obs

○ 2026-07-12 09:19:58
● 2026-07-13 02:39:28
○ 2026-07-13 04:07:52
● 2026-07-13 13:13:26
○ 2026-07-13 15:46:44
○ 2026-07-14 14:10:14
● 2026-07-15 23:08:16
○ 2026-07-16 17:42:10
● 2026-07-18 22:24:30
○ 2026-07-19 06:38:56
● 2026-07-20 01:53:44
● 2026-07-20 14:45:24
○ 2026-07-21 00:29:50
○ 2026-07-21 10:14:52
● 2026-07-21 13:26:58
○ 2026-07-21 16:06:22
● 2026-07-22 10:13:46
● 2026-07-22 12:22:32

●A3.166.192.1252026-07-13 → 2026-07-22 · 18 obs

●A3.166.192.542026-07-13 → 2026-07-22 · 18 obs

●A3.166.192.612026-07-13 → 2026-07-22 · 18 obs

○A3.167.192.1292026-07-03 → 2026-07-21 · 18 obs

○ 2026-07-03 00:58:44
● 2026-07-03 02:14:38
○ 2026-07-03 02:55:22
● 2026-07-03 04:03:48
○ 2026-07-03 06:17:50
● 2026-07-05 11:08:56
○ 2026-07-07 11:20:50
○ 2026-07-07 17:01:34
● 2026-07-09 01:54:32
○ 2026-07-09 07:35:18
● 2026-07-10 19:44:42
○ 2026-07-12 04:05:24
● 2026-07-21 01:44:12
● 2026-07-21 10:14:52
○ 2026-07-21 12:32:16
● 2026-07-21 22:44:46
○ 2026-07-22 01:44:50
○ 2026-07-22 12:22:32

○A3.167.192.362026-07-03 → 2026-07-21 · 18 obs

○A3.167.192.442026-07-03 → 2026-07-21 · 18 obs

○A3.167.192.732026-07-03 → 2026-07-21 · 18 obs

○A3.167.37.1052026-02-20 → 2026-07-11 · 18 obs

○ 2026-02-20 06:03:44
● 2026-02-20 10:46:28
● 2026-02-20 11:32:24
○ 2026-02-21 06:58:46
● 2026-02-21 23:07:40
○ 2026-02-22 05:00:52
○ 2026-03-02 06:31:24
● 2026-03-05 15:33:28
○ 2026-03-06 14:04:18
○ 2026-06-21 00:00:40
● 2026-06-23 06:16:34
● 2026-07-03 02:55:22
○ 2026-07-05 11:08:56
● 2026-07-07 22:57:40
○ 2026-07-08 03:03:12
● 2026-07-11 20:46:44
○ 2026-07-12 03:27:16
○ 2026-07-22 12:22:32

○A3.167.37.1202026-02-20 → 2026-07-11 · 18 obs

○A3.167.37.1282026-02-20 → 2026-07-11 · 18 obs

○A3.167.37.492026-02-20 → 2026-07-11 · 18 obs

○A3.171.22.1182026-05-19 → 2026-07-02 · 18 obs

○ 2026-05-19 04:33:58
● 2026-05-19 08:44:36
○ 2026-05-19 16:32:10
● 2026-05-19 20:38:44
● 2026-05-30 15:53:22
○ 2026-05-31 09:50:00
○ 2026-06-02 01:59:02
● 2026-06-02 12:55:28
● 2026-06-05 00:13:00
○ 2026-06-05 07:06:40
○ 2026-06-08 08:28:16
● 2026-06-30 14:47:36
○ 2026-07-01 13:13:24
● 2026-07-02 02:46:12
○ 2026-07-02 04:51:02
● 2026-07-02 06:32:58
○ 2026-07-02 14:19:08
○ 2026-07-22 12:22:32

○A3.171.22.1292026-05-19 → 2026-07-02 · 18 obs

○A3.171.22.692026-05-19 → 2026-07-02 · 18 obs

○A3.171.22.762026-05-19 → 2026-07-02 · 18 obs

○A3.174.141.1202026-05-02 → 2026-05-02 · 4 obs

○ 2026-05-01 09:31:50
● 2026-05-02 03:05:28
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○ 2026-07-22 12:22:32

○A3.174.141.192026-05-02 → 2026-05-02 · 4 obs

○ 2026-05-01 09:31:50
● 2026-05-02 03:05:28
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○A3.174.141.212026-05-02 → 2026-05-02 · 4 obs

○ 2026-05-01 09:31:50
● 2026-05-02 03:05:28
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○ 2026-07-22 12:22:32

○A3.174.141.822026-05-02 → 2026-05-02 · 4 obs

○ 2026-05-01 09:31:50
● 2026-05-02 03:05:28
○ 2026-05-02 19:21:46
○ 2026-07-22 12:22:32

○A3.174.26.482026-05-16 → 2026-06-07 · 17 obs

○ 2026-05-15 02:47:40
● 2026-05-16 18:20:58
● 2026-05-16 19:06:24
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● 2026-05-16 22:08:56
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○A3.174.26.562026-05-16 → 2026-06-07 · 17 obs

○A3.174.26.72026-05-16 → 2026-06-07 · 17 obs

○A3.174.26.822026-05-16 → 2026-06-07 · 17 obs

○A3.174.29.1152026-04-08 → 2026-04-20 · 18 obs

○ 2026-04-05 12:24:58
● 2026-04-08 15:15:58
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● 2026-04-10 08:15:50
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○A3.174.29.242026-04-08 → 2026-04-20 · 18 obs

○A3.174.29.392026-04-08 → 2026-04-20 · 18 obs

○A3.174.29.772026-04-08 → 2026-04-20 · 18 obs

○A3.174.59.552026-04-11 → 2026-07-14 · 17 obs

○ 2026-04-10 08:15:50
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○A3.174.59.662026-04-11 → 2026-07-14 · 17 obs

○A3.174.59.772026-04-11 → 2026-07-14 · 17 obs

○A3.174.59.822026-04-11 → 2026-07-14 · 17 obs

○A3.174.83.432026-03-28 → 2026-06-10 · 18 obs

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○A3.174.83.672026-03-28 → 2026-06-10 · 18 obs

○A3.174.83.682026-03-28 → 2026-06-10 · 18 obs

○A3.174.83.862026-03-28 → 2026-06-10 · 18 obs

○A52.84.20.1292026-02-18 → 2026-03-20 · 17 obs

○ 2026-02-18 03:27:02
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○A52.84.20.222026-02-18 → 2026-03-20 · 17 obs

○A52.84.20.442026-02-18 → 2026-03-20 · 17 obs

○A52.84.20.472026-02-18 → 2026-03-20 · 17 obs

○A52.85.78.1072026-06-17 → 2026-06-17 · 7 obs

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○A52.85.78.1262026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-17 01:39:46
● 2026-06-17 07:35:54
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○A52.85.78.612026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-17 01:39:46
● 2026-06-17 07:35:54
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● 2026-06-17 14:19:58
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○A52.85.78.962026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-17 01:39:46
● 2026-06-17 07:35:54
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● 2026-06-17 14:19:58
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○A54.231.97.2342017-04-03 → 2017-04-03 · 4 obs

○ 2016-05-04 18:15:08
● 2017-04-03 03:08:00
○ 2026-02-18 03:27:02
○ 2026-07-22 12:22:32

○A75.126.149.102015-07-11 → 2016-05-04 · 4 obs

● 2015-07-11 01:21:46
● 2016-05-04 18:15:08
○ 2017-04-03 03:08:00
○ 2026-07-22 12:22:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	j.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, any.ca-servers.ca	-
headfirst.ca	ns-1097.awsdns-09.org, ns-960.awsdns-56.net, ns-23.awsdns-02.com, ns-2003.awsdns-58.co.uk	-

✅ Authoritative Response

Server:205.251.196.73

NS records: ns-1097.awsdns-09.org, ns-960.awsdns-56.net, ns-23.awsdns-02.com, ns-2003.awsdns-58.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for headfirst.ca (unsigned zone)

⏱️ Timing

Total: 1660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.192.103, 3.166.192.125...`
NS	4	`ns-1097.awsdns-09.org, ns-2003.awsdns-58.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
SOA	1	`ns-2003.awsdns-58.co.uk awsdns-hostmaste`

Analysis

IP Addresses

headfirst.ca has four IP addresses: 3.166.192.54, 3.166.192.61, 3.166.192.103 and 3.166.192.125.

Among the host names that share IP numbers with headfirst.ca are davidjurajrasi.me, www.capecodctc.com, d1nalo8dhb4b9e.cloudfront.net and two others.

Name Servers

The domain headfirst.ca is delegated to these four name servers: ns-23.awsdns-02.com, ns-960.awsdns-56.net, ns-1097.awsdns-09.org and ns-2003.awsdns-58.co.uk.

headfirst.ca has at least partial name server overlap with other domains, such as quickcache.click, 96.254.54.in-addr.arpa, 175.221.52.in-addr.arpa and two others.

It is common to find these name servers paired with the name servers ns1-24-ap-southeast-1.ec2-rdns.amazonaws.com, ns2-24-ap-southeast-1.ec2-rdns.amazonaws.com, ns3-24-ap-southeast-1.ec2-rdns.amazonaws.com and ns4-24-ap-southeast-1.ec2-rdns.amazonaws.com.

ns-23.awsdns-02.com, ns-960.awsdns-56.net, ns-1097.awsdns-09.org and ns-2003.awsdns-58.co.uk all point to exactly two IP numbers each: ns-23.awsdns-02.com → 205.251.192.23 and 2600:9000:5300:1700::1; ns-960.awsdns-56.net → 205.251.195.192 and 2600:9000:5303:c000::1; ns-1097.awsdns-09.org → 205.251.196.73 and 2600:9000:5304:4900::1; ns-2003.awsdns-58.co.uk → 205.251.199.211 and 2600:9000:5307:d300::1.

Mail Servers

Mail for headfirst.ca is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

headfirst.ca shares at least some of its mail servers with other domains — for example ns500841.ns500821.ns500841.ns500795.ns500794.ns500795.ns500821.ns500794.ns500794.ns500795.ns500790.ns500795.lustypartnersfinder.com, ns500754.ns500742.ns500731.ns500754.ns500742.ns500742.ns500731.ns500742.ns500704.ns500742.ns500688.ns500649.ns500666.ns500649.ns500153.tenderladiesbz.com, aishaandtehzeeb.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx.l.google.com return 142.250.31.27 and 2607:f8b0:4004:c1f::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.