hackwork.jp - dns.ninja

`hackwork.jp`

DNSSEC	⚠️ Not signed
A	3.167.112.24^{🇺🇸 Amazon3.167.112.0/21}
		PTR	`server-3-167-112-24.iad55.r.cloudfront.net`
A	3.167.112.39^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.54^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.105^{🇺🇸 Amazon3.167.112.0/21}
NS	`ns-143.awsdns-17.com` ⭐
		A	2600:9000:5300:8f00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-143.awsdns-17.com`
		A	205.251.192.143^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-143.awsdns-17.com`
NS	`ns-1488.awsdns-58.org`
		A	2600:9000:5305:d000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1488.awsdns-58.org`
		A	205.251.197.208^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1488.awsdns-58.org`
NS	`ns-1574.awsdns-04.co.uk`
		A	2600:9000:5306:2600::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1574.awsdns-04.co.uk`
		A	205.251.198.38^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1574.awsdns-04.co.uk`
NS	`ns-781.awsdns-33.net`
		A	2600:9000:5303:d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-781.awsdns-33.net`
		A	205.251.195.13^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-781.awsdns-33.net`
MX	`hackwork.sakura.ne.jp` ⭐
		A	49.212.243.79^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3569.sakura.ne.jp`
SOA	`ns-143.awsdns-17.com`awsdns-hostmaster@amazon.com serial=1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1782064803

Previously MX for

hackwork.jp

Same first word

hackwork.net

hackwork.xyz

hackwork.io

hackwork.com

hackwork.jp

hackwork.org

hackwork.sakura.ne.jp

Similar names

workhack.ru

rockhawk.ca

workhack.com

hawkrock.org

DNS History

65 records (9 active, 56 former)

●NSns-143.awsdns-17.com2015-06-27 → 2026-06-21 · 2 obs

● 2015-06-27 08:14:16
● 2026-06-21 18:48:10

●NSns-1488.awsdns-58.org2015-06-27 → 2026-06-21 · 2 obs

● 2015-06-27 08:14:16
● 2026-06-21 18:48:10

●NSns-1574.awsdns-04.co.uk2015-06-27 → 2026-06-21 · 2 obs

● 2015-06-27 08:14:16
● 2026-06-21 18:48:10

●NSns-781.awsdns-33.net2015-06-27 → 2026-06-21 · 2 obs

● 2015-06-27 08:14:16
● 2026-06-21 18:48:10

○MXhackwork.jp2015-06-27 → 2017-06-04 · 4 obs

● 2015-06-27 08:14:16
● 2017-06-04 16:20:56
○ 2026-02-20 13:17:04
○ 2026-06-21 18:48:10

●MXhackwork.sakura.ne.jp2026-02-20 → 2026-06-21 · 3 obs

○ 2017-06-04 16:20:56
● 2026-02-20 13:17:04
● 2026-06-21 18:48:10

○A108.139.119.1122026-04-08 → 2026-04-20 · 19 obs

○ 2026-04-08 01:33:46
● 2026-04-08 07:24:30
○ 2026-04-08 13:11:20
○ 2026-04-11 05:08:24
● 2026-04-11 06:33:24
○ 2026-04-11 07:30:10
○ 2026-04-11 14:05:22
● 2026-04-12 07:21:52
○ 2026-04-12 18:46:10
○ 2026-04-13 07:28:06
● 2026-04-13 09:39:54
○ 2026-04-13 19:10:14
○ 2026-04-17 08:15:22
● 2026-04-17 19:23:34
○ 2026-04-18 16:50:14
○ 2026-04-19 23:09:26
● 2026-04-20 00:48:50
○ 2026-04-20 02:28:34
○ 2026-06-21 18:48:10

○A108.139.119.252026-04-08 → 2026-04-20 · 19 obs

○A108.139.119.882026-04-08 → 2026-04-20 · 19 obs

○A108.139.119.922026-04-08 → 2026-04-20 · 19 obs

○A13.224.252.332026-05-02 → 2026-06-09 · 17 obs

○ 2026-05-01 15:19:30
● 2026-05-02 00:31:06
○ 2026-05-02 09:13:44
○ 2026-05-18 23:20:52
● 2026-05-19 14:39:54
● 2026-05-20 07:23:52
○ 2026-05-20 16:04:02
○ 2026-05-26 22:57:02
● 2026-05-29 17:35:22
○ 2026-05-30 18:37:32
● 2026-05-31 14:46:12
○ 2026-06-02 00:35:24
○ 2026-06-09 01:19:02
● 2026-06-09 11:54:44
● 2026-06-09 13:05:22
○ 2026-06-11 11:21:18
○ 2026-06-21 18:48:10

○A13.224.252.492026-05-02 → 2026-06-09 · 17 obs

○A13.224.252.512026-05-02 → 2026-06-09 · 17 obs

○A13.224.252.72026-05-02 → 2026-06-09 · 17 obs

○A13.225.107.192026-03-29 → 2026-04-20 · 24 obs

○ 2026-03-27 23:41:36
● 2026-03-29 14:06:32
○ 2026-03-29 14:38:36
○ 2026-03-30 07:29:20
● 2026-03-30 10:07:24
○ 2026-03-30 18:40:26
○ 2026-03-30 21:23:28
● 2026-03-31 12:36:54
○ 2026-03-31 15:03:38
○ 2026-04-07 14:23:22
● 2026-04-07 23:07:36
○ 2026-04-08 01:33:46
○ 2026-04-12 21:05:02
● 2026-04-12 23:07:20
○ 2026-04-13 07:28:06
○ 2026-04-13 19:10:14
● 2026-04-14 00:14:38
○ 2026-04-14 05:46:30
● 2026-04-14 23:07:34
○ 2026-04-15 05:59:20
○ 2026-04-20 02:28:34
● 2026-04-20 12:00:56
○ 2026-04-20 21:59:22
○ 2026-06-21 18:48:10

○A13.225.107.352026-03-29 → 2026-04-20 · 24 obs

○A13.225.107.42026-03-29 → 2026-04-20 · 24 obs

○A13.225.107.612026-03-29 → 2026-04-20 · 24 obs

○A13.32.179.172026-03-30 → 2026-06-21 · 26 obs

○ 2026-03-29 23:07:18
● 2026-03-30 07:29:20
○ 2026-03-30 10:07:24
○ 2026-03-30 18:40:26
● 2026-03-30 21:23:28
○ 2026-03-31 12:36:54
○ 2026-04-01 04:22:44
● 2026-04-01 12:49:54
● 2026-04-02 01:15:00
○ 2026-04-02 17:01:26
○ 2026-04-03 23:14:28
● 2026-04-04 04:52:52
○ 2026-04-04 12:05:24
○ 2026-04-05 05:15:28
● 2026-04-05 07:07:22
○ 2026-04-05 21:18:22
○ 2026-04-07 08:09:58
● 2026-04-07 14:23:22
○ 2026-04-07 23:07:36
● 2026-06-19 13:57:44
○ 2026-06-19 18:35:24
● 2026-06-20 17:19:10
○ 2026-06-20 17:57:20
● 2026-06-21 00:31:20
○ 2026-06-21 03:33:46
○ 2026-06-21 18:48:10

○A13.32.179.452026-03-30 → 2026-06-21 · 26 obs

○A13.32.179.572026-03-30 → 2026-06-21 · 26 obs

○A13.32.179.672026-03-30 → 2026-06-21 · 26 obs

○A13.33.235.1222026-03-22 → 2026-03-24 · 7 obs

○ 2026-03-22 14:55:32
● 2026-03-22 20:30:22
○ 2026-03-23 00:50:10
○ 2026-03-24 03:10:36
● 2026-03-24 17:55:52
○ 2026-03-25 01:50:02
○ 2026-06-21 18:48:10

○A13.33.235.572026-03-22 → 2026-03-24 · 7 obs

○ 2026-03-22 14:55:32
● 2026-03-22 20:30:22
○ 2026-03-23 00:50:10
○ 2026-03-24 03:10:36
● 2026-03-24 17:55:52
○ 2026-03-25 01:50:02
○ 2026-06-21 18:48:10

○A13.33.235.682026-03-22 → 2026-03-24 · 7 obs

○ 2026-03-22 14:55:32
● 2026-03-22 20:30:22
○ 2026-03-23 00:50:10
○ 2026-03-24 03:10:36
● 2026-03-24 17:55:52
○ 2026-03-25 01:50:02
○ 2026-06-21 18:48:10

○A13.33.235.772026-03-22 → 2026-03-24 · 7 obs

○ 2026-03-22 14:55:32
● 2026-03-22 20:30:22
○ 2026-03-23 00:50:10
○ 2026-03-24 03:10:36
● 2026-03-24 17:55:52
○ 2026-03-25 01:50:02
○ 2026-06-21 18:48:10

○A18.160.225.152026-05-20 → 2026-06-04 · 11 obs

○ 2026-05-20 07:23:52
● 2026-05-20 16:04:02
● 2026-05-26 22:57:02
○ 2026-05-29 17:35:22
● 2026-05-30 18:37:32
○ 2026-05-31 14:46:12
○ 2026-06-02 00:35:24
● 2026-06-02 03:12:08
● 2026-06-04 18:02:22
○ 2026-06-08 17:40:12
○ 2026-06-21 18:48:10

○A18.160.225.372026-05-20 → 2026-06-04 · 11 obs

○A18.160.225.602026-05-20 → 2026-06-04 · 11 obs

○A18.160.225.802026-05-20 → 2026-06-04 · 11 obs

○A18.239.183.112026-03-08 → 2026-05-04 · 18 obs

○ 2026-03-08 22:08:02
● 2026-03-08 23:07:00
○ 2026-03-09 03:05:32
○ 2026-04-20 12:00:56
● 2026-04-20 21:59:22
○ 2026-04-20 23:28:38
○ 2026-04-26 05:54:50
● 2026-04-28 00:38:34
○ 2026-04-28 10:40:54
● 2026-04-28 19:26:04
● 2026-04-29 00:31:38
○ 2026-04-29 13:30:24
● 2026-05-01 15:19:30
○ 2026-05-02 00:31:06
○ 2026-05-03 06:18:34
● 2026-05-04 00:33:34
○ 2026-05-04 03:27:44
○ 2026-06-21 18:48:10

○A18.239.183.602026-03-08 → 2026-05-04 · 18 obs

○A18.239.183.742026-03-08 → 2026-05-04 · 18 obs

○A18.239.183.982026-03-08 → 2026-05-04 · 18 obs

●A3.167.112.1052026-02-20 → 2026-06-21 · 28 obs

○ 2017-06-04 16:20:56
● 2026-02-20 13:17:04
○ 2026-02-22 06:03:16
● 2026-02-22 11:13:24
● 2026-02-22 23:07:10
○ 2026-02-23 06:56:08
○ 2026-02-27 07:09:44
● 2026-02-27 23:07:24
○ 2026-02-28 10:51:36
○ 2026-03-04 01:29:52
● 2026-03-04 23:07:40
○ 2026-03-05 06:42:00
○ 2026-03-19 02:47:24
● 2026-03-19 23:07:38
○ 2026-03-20 17:39:02
○ 2026-04-17 19:23:34
● 2026-04-18 16:50:14
○ 2026-04-19 07:29:36
○ 2026-06-11 11:21:18
● 2026-06-12 06:57:50
○ 2026-06-13 06:16:18
○ 2026-06-20 17:19:10
● 2026-06-20 17:57:20
○ 2026-06-20 18:50:24
● 2026-06-21 04:28:08
○ 2026-06-21 12:12:14
● 2026-06-21 13:47:34
● 2026-06-21 18:48:10

●A3.167.112.242026-02-20 → 2026-06-21 · 28 obs

●A3.167.112.392026-02-20 → 2026-06-21 · 28 obs

●A3.167.112.542026-02-20 → 2026-06-21 · 28 obs

○A3.174.59.1062026-04-01 → 2026-06-02 · 7 obs

○ 2026-04-01 12:49:54
● 2026-04-01 23:07:32
○ 2026-04-02 00:03:50
○ 2026-05-31 14:46:12
● 2026-06-02 00:35:24
○ 2026-06-02 03:12:08
○ 2026-06-21 18:48:10

○A3.174.59.1292026-04-01 → 2026-06-02 · 7 obs

○ 2026-04-01 12:49:54
● 2026-04-01 23:07:32
○ 2026-04-02 00:03:50
○ 2026-05-31 14:46:12
● 2026-06-02 00:35:24
○ 2026-06-02 03:12:08
○ 2026-06-21 18:48:10

○A3.174.59.402026-04-01 → 2026-06-02 · 7 obs

○ 2026-04-01 12:49:54
● 2026-04-01 23:07:32
○ 2026-04-02 00:03:50
○ 2026-05-31 14:46:12
● 2026-06-02 00:35:24
○ 2026-06-02 03:12:08
○ 2026-06-21 18:48:10

○A3.174.59.802026-04-01 → 2026-06-02 · 7 obs

○ 2026-04-01 12:49:54
● 2026-04-01 23:07:32
○ 2026-04-02 00:03:50
○ 2026-05-31 14:46:12
● 2026-06-02 00:35:24
○ 2026-06-02 03:12:08
○ 2026-06-21 18:48:10

○A52.222.177.222026-02-22 → 2026-03-25 · 24 obs

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

○A52.222.177.312026-02-22 → 2026-03-25 · 24 obs

○A52.222.177.682026-02-22 → 2026-03-25 · 24 obs

○A52.222.177.692026-02-22 → 2026-03-25 · 24 obs

○A52.69.128.1022015-11-06 → 2015-11-06 · 4 obs

○ 2015-06-27 08:14:16
● 2015-11-06 11:06:16
○ 2016-01-25 03:56:00
○ 2026-06-21 18:48:10

○A52.84.118.1092026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 17:55:52
● 2026-03-25 01:50:02
○ 2026-03-25 08:31:02
○ 2026-06-21 18:48:10

○A52.84.118.582026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 17:55:52
● 2026-03-25 01:50:02
○ 2026-03-25 08:31:02
○ 2026-06-21 18:48:10

○A52.84.118.632026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 17:55:52
● 2026-03-25 01:50:02
○ 2026-03-25 08:31:02
○ 2026-06-21 18:48:10

○A52.84.118.662026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 17:55:52
● 2026-03-25 01:50:02
○ 2026-03-25 08:31:02
○ 2026-06-21 18:48:10

○A52.84.20.1082026-02-22 → 2026-03-25 · 24 obs

○ 2026-02-20 13:17:04
● 2026-02-22 06:03:16
○ 2026-02-22 11:13:24
○ 2026-02-22 23:07:10
● 2026-02-23 06:56:08
○ 2026-02-23 16:44:56
○ 2026-02-24 04:17:02
● 2026-02-24 14:09:44
○ 2026-02-24 22:31:52
○ 2026-02-25 23:08:06
● 2026-02-26 01:21:18
● 2026-02-27 07:09:44
○ 2026-02-27 18:02:52
○ 2026-02-28 10:51:36
● 2026-02-28 14:15:16
○ 2026-03-01 02:23:50
○ 2026-03-20 17:39:02
● 2026-03-20 20:53:54
● 2026-03-21 13:32:16
○ 2026-03-21 18:58:46
○ 2026-03-25 01:50:02
● 2026-03-25 08:31:02
○ 2026-03-25 12:59:24
○ 2026-06-21 18:48:10

○A52.84.20.242026-02-22 → 2026-03-25 · 24 obs

○A52.84.20.302026-02-22 → 2026-03-25 · 24 obs

○A52.84.20.452026-02-22 → 2026-03-25 · 24 obs

○A52.85.31.1062026-03-07 → 2026-03-29 · 14 obs

○ 2026-03-06 00:04:10
● 2026-03-07 23:06:40
○ 2026-03-08 06:00:50
● 2026-03-08 07:03:36
○ 2026-03-08 08:53:50
○ 2026-03-08 16:52:02
● 2026-03-08 18:00:16
○ 2026-03-08 20:52:14
● 2026-03-08 22:08:02
○ 2026-03-08 23:07:00
○ 2026-03-29 14:06:32
● 2026-03-29 14:38:36
○ 2026-03-29 23:07:18
○ 2026-06-21 18:48:10

○A52.85.31.1162026-03-07 → 2026-03-29 · 14 obs

○A52.85.31.82026-03-07 → 2026-03-29 · 14 obs

○A52.85.31.992026-03-07 → 2026-03-29 · 14 obs

○A52.85.47.102026-03-26 → 2026-06-21 · 27 obs

○ 2026-03-25 21:14:12
● 2026-03-26 03:32:58
● 2026-03-27 22:23:10
○ 2026-03-27 23:06:54
● 2026-03-27 23:41:36
○ 2026-03-29 14:06:32
○ 2026-04-02 01:15:00
● 2026-04-02 17:01:26
● 2026-04-17 08:15:22
○ 2026-04-19 06:04:50
● 2026-04-20 02:28:34
● 2026-04-26 05:54:50
○ 2026-04-28 00:38:34
● 2026-04-29 13:30:24
○ 2026-05-01 15:19:30
● 2026-05-02 09:13:44
● 2026-05-18 23:20:52
○ 2026-05-19 14:39:54
○ 2026-06-04 18:02:22
● 2026-06-08 17:40:12
● 2026-06-20 18:50:24
○ 2026-06-21 00:31:20
● 2026-06-21 03:33:46
○ 2026-06-21 04:28:08
● 2026-06-21 12:12:14
○ 2026-06-21 13:47:34
○ 2026-06-21 18:48:10

○A52.85.47.142026-03-26 → 2026-06-21 · 27 obs

○A52.85.47.402026-03-26 → 2026-06-21 · 27 obs

○A52.85.47.812026-03-26 → 2026-06-21 · 27 obs

○A54.238.222.2112016-01-25 → 2017-06-04 · 5 obs

○ 2015-11-06 11:06:16
● 2016-01-25 03:56:00
● 2017-06-04 16:20:56
○ 2026-02-20 13:17:04
○ 2026-06-21 18:48:10

○A54.65.181.1162015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 08:14:16
○ 2015-11-06 11:06:16
○ 2026-06-21 18:48:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, a.dns.jp, d.dns.jp, h.dns.jp...	-
hackwork.jp	ns-143.awsdns-17.com, ns-781.awsdns-33.net, ns-1488.awsdns-58.org, ns-1574.awsdns-04.co.uk	-

✅ Authoritative Response

Server:205.251.198.38

NS records: ns-143.awsdns-17.com, ns-781.awsdns-33.net, ns-1488.awsdns-58.org, ns-1574.awsdns-04.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hackwork.jp (unsigned zone)

⏱️ Timing

Total: 779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.112.105, 3.167.112.24...`
NS	4	`ns-143.awsdns-17.com, ns-1488.awsdns-58.org...`
MX	1	`hackwork.sakura.ne.jp (pri: 10)`
SOA	1	`ns-143.awsdns-17.com awsdns-hostmaster.a`

Analysis

IP Addresses

hackwork.jp directs to four IP numbers, which are 3.167.112.24, 3.167.112.39, 3.167.112.54 and 3.167.112.105.

Two other host names, along with envolcampus.app, create.blurb.es and 2.connectsense-staging.com, also share IP numbers with hackwork.jp.

Name Servers

The NS records for hackwork.jp point to four name servers: ns-143.awsdns-17.com, ns-781.awsdns-33.net, ns-1488.awsdns-58.org and ns-1574.awsdns-04.co.uk.

At least some of hackwork.jp's name servers are shared with other domains, for example foipg.bet, d30itml3t0pwpf.cloudfront.net, meinxxl.de and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-143.awsdns-17.com directs to 205.251.192.143 and 2600:9000:5300:8f00::1; ns-781.awsdns-33.net directs to 205.251.195.13 and 2600:9000:5303:d00::1; ns-1488.awsdns-58.org directs to 205.251.197.208 and 2600:9000:5305:d000::1; ns-1574.awsdns-04.co.uk directs to 205.251.198.38 and 2600:9000:5306:2600::1.

Mail Servers

The sole mail server for hackwork.jp is hackwork.sakura.ne.jp.

Mail server setup for hackwork.jp matches that of other domains, among them hackwork.sakura.ne.jp.

There is one IP number for hackwork.sakura.ne.jp: 49.212.243.79.