ruby-dev.jp - dns.ninja

`ruby-dev.jp`

DNSSEC	⚠️ Not signed
A	3.165.136.35^{🇺🇸 Amazon3.165.136.0/24}
		PTR	`server-3-165-136-35.cdg52.r.cloudfront.net`
A	3.165.136.81^{🇺🇸 Amazon3.165.136.0/24}
A	3.165.136.89^{🇺🇸 Amazon3.165.136.0/24}
A	3.165.136.97^{🇺🇸 Amazon3.165.136.0/24}
NS	`ns-1390.awsdns-45.org` ⭐
		A	2600:9000:5305:6e00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1390.awsdns-45.org`
		A	205.251.197.110^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1390.awsdns-45.org`
NS	`ns-113.awsdns-14.com`
		A	2600:9000:5300:7100::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-113.awsdns-14.com`
		A	205.251.192.113^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-113.awsdns-14.com`
NS	`ns-1764.awsdns-28.co.uk`
		A	2600:9000:5306:e400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1764.awsdns-28.co.uk`
		A	205.251.198.228^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1764.awsdns-28.co.uk`
NS	`ns-961.awsdns-56.net`
		A	2600:9000:5303:c100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-961.awsdns-56.net`
		A	205.251.195.193^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-961.awsdns-56.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
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}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`apple-domain-verification=tvJ5tGNyFRwyzYqZ`
TXT	`google-site-verification=NUZWASnoQZEQQv9XmLF60k3HS66zb1CvYNtDEZTa2oo`
TXT	`google-site-verification=ygs-QXlvrlYS_jxjU2LrDNey537KFIyB8iQJdpzuAok`
TXT	`v=spf1 ip4:52.88.101.5 include:_spf.google.com ~all`
SOA	`ns-1390.awsdns-45.org`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=1785018602

PTR for

194.45.32.52.in-addr.arpa

Subdomains

www.ruby-dev.jp

Same first word

ruby-dev.jp

ruby-dev.net

DNS History

90 records (13 active, 77 former)

●NSns-113.awsdns-14.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●NSns-1390.awsdns-45.org2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●NSns-1764.awsdns-28.co.uk2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●NSns-961.awsdns-56.net2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●MXalt1.aspmx.l.google.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●MXalt2.aspmx.l.google.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●MXalt3.aspmx.l.google.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●MXalt4.aspmx.l.google.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

●MXaspmx.l.google.com2016-12-08 → 2026-07-25 · 5 obs

● 2016-12-08 19:16:38
● 2026-06-02 13:20:00
○ 2026-06-03 00:45:50
● 2026-06-03 02:41:08
● 2026-07-25 23:14:56

○A108.138.128.162026-03-07 → 2026-05-20 · 18 obs

○ 2026-03-07 14:15:36
● 2026-03-07 23:35:40
● 2026-03-08 03:05:34
○ 2026-03-08 06:30:30
○ 2026-03-08 08:35:08
● 2026-03-08 19:15:46
○ 2026-03-09 02:57:34
○ 2026-03-22 11:49:06
● 2026-03-22 16:23:12
○ 2026-03-22 19:05:38
○ 2026-05-19 07:47:20
● 2026-05-19 21:10:22
○ 2026-05-20 00:18:18
○ 2026-05-20 09:51:22
● 2026-05-20 14:00:26
● 2026-05-20 14:42:20
○ 2026-05-20 21:11:20
○ 2026-07-25 23:14:56

○A108.138.128.572026-03-07 → 2026-05-20 · 18 obs

○A108.138.128.612026-03-07 → 2026-05-20 · 18 obs

○A108.138.128.762026-03-07 → 2026-05-20 · 18 obs

○A108.156.22.1222026-07-11 → 2026-07-19 · 19 obs

○ 2026-07-11 05:57:20
● 2026-07-11 07:19:10
○ 2026-07-11 10:20:38
● 2026-07-11 19:11:20
○ 2026-07-11 22:30:40
● 2026-07-12 07:46:10
○ 2026-07-12 15:34:46
● 2026-07-13 11:35:26
○ 2026-07-13 12:45:26
● 2026-07-14 07:19:46
○ 2026-07-14 09:24:06
● 2026-07-14 15:43:42
○ 2026-07-14 23:17:56
● 2026-07-16 22:01:34
● 2026-07-17 00:26:06
○ 2026-07-17 02:11:48
● 2026-07-19 13:07:46
○ 2026-07-19 20:04:14
○ 2026-07-25 23:14:56

○A108.156.22.242026-07-11 → 2026-07-19 · 19 obs

○A108.156.22.432026-07-11 → 2026-07-19 · 19 obs

○A108.156.22.562026-07-11 → 2026-07-19 · 19 obs

○A13.224.125.1022026-03-29 → 2026-07-25 · 23 obs

○ 2026-03-27 01:26:46
● 2026-03-29 04:17:10
○ 2026-03-29 22:16:20
○ 2026-03-31 04:32:12
● 2026-03-31 08:11:00
○ 2026-03-31 15:36:14
○ 2026-06-21 21:32:08
● 2026-06-30 22:31:46
● 2026-07-02 21:51:58
○ 2026-07-05 06:16:34
● 2026-07-07 12:44:58
● 2026-07-15 13:35:26
○ 2026-07-16 22:01:34
○ 2026-07-23 18:17:28
● 2026-07-24 13:16:56
○ 2026-07-24 15:47:16
● 2026-07-24 18:23:42
○ 2026-07-24 22:29:36
● 2026-07-25 19:40:08
○ 2026-07-25 20:36:54
● 2026-07-25 21:48:28
○ 2026-07-25 23:08:08
○ 2026-07-25 23:14:56

○A13.224.125.212026-03-29 → 2026-07-25 · 23 obs

○A13.224.125.442026-03-29 → 2026-07-25 · 23 obs

○A13.224.125.852026-03-29 → 2026-07-25 · 23 obs

○A13.225.143.512026-03-30 → 2026-07-02 · 19 obs

○ 2026-03-29 22:16:20
● 2026-03-30 00:23:46
○ 2026-03-30 01:49:02
● 2026-03-30 07:37:00
○ 2026-03-30 09:10:08
○ 2026-05-21 10:28:12
● 2026-06-20 00:44:44
○ 2026-06-20 03:49:48
● 2026-06-22 22:27:30
○ 2026-06-23 01:14:50
● 2026-06-25 02:14:42
○ 2026-06-26 16:34:00
○ 2026-06-29 13:26:18
● 2026-07-01 17:29:36
● 2026-07-02 11:01:56
○ 2026-07-02 15:32:02
● 2026-07-02 16:12:20
○ 2026-07-02 21:51:58
○ 2026-07-25 23:14:56

○A13.225.143.742026-03-30 → 2026-07-02 · 19 obs

○A13.225.143.882026-03-30 → 2026-07-02 · 19 obs

○A13.225.143.902026-03-30 → 2026-07-02 · 19 obs

○A13.33.235.112026-03-22 → 2026-03-25 · 10 obs

○ 2026-03-22 19:05:38
● 2026-03-22 23:21:40
○ 2026-03-23 00:07:50
○ 2026-03-24 20:04:24
● 2026-03-24 23:19:20
○ 2026-03-25 00:35:00
○ 2026-03-25 01:10:48
● 2026-03-25 06:17:20
○ 2026-03-25 19:23:34
○ 2026-07-25 23:14:56

○A13.33.235.472026-03-22 → 2026-03-25 · 10 obs

○A13.33.235.622026-03-22 → 2026-03-25 · 10 obs

○A13.33.235.82026-03-22 → 2026-03-25 · 10 obs

○A13.35.107.1232026-04-14 → 2026-07-25 · 21 obs

○ 2026-03-31 15:36:14
● 2026-04-14 20:08:28
● 2026-04-15 00:11:28
○ 2026-04-15 02:43:06
○ 2026-04-16 01:03:10
● 2026-07-12 17:46:56
● 2026-07-14 02:23:56
○ 2026-07-15 13:35:26
● 2026-07-16 23:54:42
● 2026-07-18 09:15:52
○ 2026-07-19 07:09:12
● 2026-07-20 20:27:52
○ 2026-07-20 23:32:22
● 2026-07-22 11:19:32
● 2026-07-25 11:38:24
○ 2026-07-25 12:43:58
● 2026-07-25 13:36:04
○ 2026-07-25 16:18:56
● 2026-07-25 20:36:54
○ 2026-07-25 21:48:28
○ 2026-07-25 23:14:56

○A13.35.107.1272026-04-14 → 2026-07-25 · 21 obs

○A13.35.107.22026-04-14 → 2026-07-25 · 21 obs

○A13.35.107.622026-04-14 → 2026-07-25 · 21 obs

○A13.35.78.192026-02-15 → 2026-07-12 · 19 obs

○ 2016-12-08 19:16:38
● 2026-02-15 23:24:42
● 2026-02-18 19:25:12
○ 2026-02-18 23:40:10
● 2026-02-19 05:24:28
○ 2026-02-22 04:49:24
○ 2026-02-26 00:58:26
● 2026-02-26 18:59:56
● 2026-03-07 02:58:30
○ 2026-03-07 14:15:36
○ 2026-06-20 00:44:44
● 2026-06-23 11:28:54
● 2026-07-05 06:16:34
○ 2026-07-07 12:44:58
● 2026-07-10 06:41:32
○ 2026-07-10 11:39:16
● 2026-07-12 10:30:12
○ 2026-07-12 11:13:28
○ 2026-07-25 23:14:56

○A13.35.78.422026-02-15 → 2026-07-12 · 19 obs

○A13.35.78.512026-02-15 → 2026-07-12 · 19 obs

○A13.35.78.822026-02-15 → 2026-07-12 · 19 obs

○A18.164.144.1022026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 01:07:10
● 2026-05-29 14:38:46
○ 2026-05-29 17:46:48
○ 2026-07-25 23:14:56

○A18.164.144.232026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 01:07:10
● 2026-05-29 14:38:46
○ 2026-05-29 17:46:48
○ 2026-07-25 23:14:56

○A18.164.144.292026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 01:07:10
● 2026-05-29 14:38:46
○ 2026-05-29 17:46:48
○ 2026-07-25 23:14:56

○A18.164.144.982026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 01:07:10
● 2026-05-29 14:38:46
○ 2026-05-29 17:46:48
○ 2026-07-25 23:14:56

○A18.239.168.1132026-04-16 → 2026-05-20 · 18 obs

○ 2026-04-16 01:03:10
● 2026-04-16 02:24:00
○ 2026-04-16 03:40:40
● 2026-04-16 04:36:42
○ 2026-04-16 05:07:40
○ 2026-04-21 09:35:24
● 2026-04-22 00:38:16
○ 2026-04-22 01:44:08
○ 2026-04-22 18:05:58
● 2026-04-23 00:35:54
○ 2026-04-23 01:19:30
○ 2026-05-10 23:41:28
● 2026-05-11 03:19:24
○ 2026-05-11 09:42:40
○ 2026-05-19 21:10:22
● 2026-05-20 00:18:18
○ 2026-05-20 01:15:14
○ 2026-07-25 23:14:56

○A18.239.168.1172026-04-16 → 2026-05-20 · 18 obs

○A18.239.168.612026-04-16 → 2026-05-20 · 18 obs

○A18.239.168.822026-04-16 → 2026-05-20 · 18 obs

○A18.239.6.1152026-05-07 → 2026-05-08 · 9 obs

○ 2026-05-06 18:05:20
● 2026-05-07 15:57:42
● 2026-05-07 21:20:12
○ 2026-05-07 22:13:12
○ 2026-05-08 06:26:30
● 2026-05-08 09:21:26
● 2026-05-08 10:37:10
○ 2026-05-08 13:15:50
○ 2026-07-25 23:14:56

○A18.239.6.462026-05-07 → 2026-05-08 · 9 obs

○A18.239.6.652026-05-07 → 2026-05-08 · 9 obs

○A18.239.6.892026-05-07 → 2026-05-08 · 9 obs

○A18.244.124.1102026-02-18 → 2026-06-30 · 19 obs

○ 2026-02-18 19:25:12
● 2026-02-18 23:40:10
○ 2026-02-19 05:24:28
○ 2026-02-19 20:11:56
● 2026-02-20 01:52:22
○ 2026-02-23 22:34:00
○ 2026-03-08 19:15:46
● 2026-03-09 02:57:34
● 2026-05-01 16:13:18
○ 2026-05-01 17:35:58
○ 2026-06-08 07:58:44
● 2026-06-08 10:36:06
● 2026-06-20 03:49:48
○ 2026-06-27 08:44:26
● 2026-06-29 14:01:28
○ 2026-06-30 08:05:00
● 2026-06-30 20:37:52
○ 2026-06-30 22:31:46
○ 2026-07-25 23:14:56

○A18.244.124.1122026-02-18 → 2026-06-30 · 19 obs

○A18.244.124.452026-02-18 → 2026-06-30 · 19 obs

○A18.244.124.872026-02-18 → 2026-06-30 · 19 obs

○A18.64.174.482026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 16:30:02
● 2026-05-15 00:32:14
○ 2026-05-15 06:53:50
○ 2026-07-25 23:14:56

○A18.64.174.542026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 16:30:02
● 2026-05-15 00:32:14
○ 2026-05-15 06:53:50
○ 2026-07-25 23:14:56

○A18.64.174.682026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 16:30:02
● 2026-05-15 00:32:14
○ 2026-05-15 06:53:50
○ 2026-07-25 23:14:56

○A18.64.174.732026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 16:30:02
● 2026-05-15 00:32:14
○ 2026-05-15 06:53:50
○ 2026-07-25 23:14:56

○A18.66.255.1292026-04-26 → 2026-05-26 · 17 obs

○ 2026-04-24 15:17:42
● 2026-04-26 08:51:10
○ 2026-04-26 10:24:02
● 2026-04-26 11:00:06
○ 2026-04-26 11:54:56
○ 2026-05-15 15:39:46
● 2026-05-16 00:47:10
● 2026-05-19 07:47:20
○ 2026-05-19 21:10:22
○ 2026-05-22 04:51:26
● 2026-05-22 20:50:58
○ 2026-05-23 12:57:54
○ 2026-05-26 04:23:38
● 2026-05-26 06:21:38
● 2026-05-26 06:59:08
○ 2026-05-26 21:07:18
○ 2026-07-25 23:14:56

○A18.66.255.402026-04-26 → 2026-05-26 · 17 obs

○A18.66.255.482026-04-26 → 2026-05-26 · 17 obs

○A18.66.255.562026-04-26 → 2026-05-26 · 17 obs

○A18.67.0.1172026-05-05 → 2026-05-14 · 17 obs

○ 2026-05-01 17:35:58
● 2026-05-05 03:37:40
○ 2026-05-05 05:23:58
○ 2026-05-05 12:45:34
● 2026-05-05 15:52:38
○ 2026-05-05 20:51:18
○ 2026-05-06 09:08:28
● 2026-05-06 14:40:26
○ 2026-05-06 18:05:20
○ 2026-05-11 12:45:44
● 2026-05-11 19:10:04
● 2026-05-12 02:27:32
○ 2026-05-12 03:59:04
○ 2026-05-14 09:21:34
● 2026-05-14 13:16:42
○ 2026-05-14 16:30:02
○ 2026-07-25 23:14:56

○A18.67.0.192026-05-05 → 2026-05-14 · 17 obs

○A18.67.0.572026-05-05 → 2026-05-14 · 17 obs

○A18.67.0.82026-05-05 → 2026-05-14 · 17 obs

●A3.165.136.352026-07-25 → 2026-07-25 · 5 obs

○ 2026-07-25 11:38:24
● 2026-07-25 12:43:58
○ 2026-07-25 13:36:04
● 2026-07-25 23:08:08
● 2026-07-25 23:14:56

●A3.165.136.812026-07-25 → 2026-07-25 · 5 obs

○ 2026-07-25 11:38:24
● 2026-07-25 12:43:58
○ 2026-07-25 13:36:04
● 2026-07-25 23:08:08
● 2026-07-25 23:14:56

●A3.165.136.892026-07-25 → 2026-07-25 · 5 obs

○ 2026-07-25 11:38:24
● 2026-07-25 12:43:58
○ 2026-07-25 13:36:04
● 2026-07-25 23:08:08
● 2026-07-25 23:14:56

●A3.165.136.972026-07-25 → 2026-07-25 · 5 obs

○ 2026-07-25 11:38:24
● 2026-07-25 12:43:58
○ 2026-07-25 13:36:04
● 2026-07-25 23:08:08
● 2026-07-25 23:14:56

○A3.166.192.352026-05-08 → 2026-05-09 · 7 obs

○ 2026-05-08 10:37:10
● 2026-05-08 13:15:50
○ 2026-05-08 14:20:28
○ 2026-05-08 21:11:26
● 2026-05-09 00:08:26
○ 2026-05-09 00:42:48
○ 2026-07-25 23:14:56

○A3.166.192.722026-05-08 → 2026-05-09 · 7 obs

○ 2026-05-08 10:37:10
● 2026-05-08 13:15:50
○ 2026-05-08 14:20:28
○ 2026-05-08 21:11:26
● 2026-05-09 00:08:26
○ 2026-05-09 00:42:48
○ 2026-07-25 23:14:56

○A3.166.192.732026-05-08 → 2026-05-09 · 7 obs

○ 2026-05-08 10:37:10
● 2026-05-08 13:15:50
○ 2026-05-08 14:20:28
○ 2026-05-08 21:11:26
● 2026-05-09 00:08:26
○ 2026-05-09 00:42:48
○ 2026-07-25 23:14:56

○A3.166.192.792026-05-08 → 2026-05-09 · 7 obs

○ 2026-05-08 10:37:10
● 2026-05-08 13:15:50
○ 2026-05-08 14:20:28
○ 2026-05-08 21:11:26
● 2026-05-09 00:08:26
○ 2026-05-09 00:42:48
○ 2026-07-25 23:14:56

○A3.170.185.1282026-05-20 → 2026-07-02 · 19 obs

○ 2026-05-20 14:42:20
● 2026-05-20 21:11:20
● 2026-05-21 02:04:32
○ 2026-05-21 05:00:02
○ 2026-05-21 10:28:12
● 2026-05-22 04:51:26
● 2026-05-29 01:07:10
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○ 2026-07-25 23:14:56

○A3.170.185.412026-05-20 → 2026-07-02 · 19 obs

○A3.170.185.552026-05-20 → 2026-07-02 · 19 obs

○A3.170.185.672026-05-20 → 2026-07-02 · 19 obs

○A3.171.153.1232026-04-20 → 2026-04-20 · 5 obs

○ 2026-04-16 05:07:40
● 2026-04-20 03:34:12
● 2026-04-20 05:09:10
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○ 2026-07-25 23:14:56

○A3.171.153.522026-04-20 → 2026-04-20 · 5 obs

○ 2026-04-16 05:07:40
● 2026-04-20 03:34:12
● 2026-04-20 05:09:10
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○ 2026-07-25 23:14:56

○A3.171.153.662026-04-20 → 2026-04-20 · 5 obs

○ 2026-04-16 05:07:40
● 2026-04-20 03:34:12
● 2026-04-20 05:09:10
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○ 2026-07-25 23:14:56

○A3.171.153.942026-04-20 → 2026-04-20 · 5 obs

○ 2026-04-16 05:07:40
● 2026-04-20 03:34:12
● 2026-04-20 05:09:10
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○ 2026-07-25 23:14:56

○A52.222.244.192026-02-20 → 2026-07-25 · 20 obs

○ 2026-02-20 01:52:22
● 2026-02-20 09:18:40
○ 2026-02-20 10:46:38
○ 2026-02-24 00:44:54
● 2026-02-25 06:45:34
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○A52.222.244.302026-02-20 → 2026-07-25 · 20 obs

○A52.222.244.312026-02-20 → 2026-07-25 · 20 obs

○A52.222.244.642026-02-20 → 2026-07-25 · 20 obs

○A52.32.45.1942016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:16:38
○ 2026-02-15 23:24:42
○ 2026-07-25 23:14:56

○A52.84.118.1222026-03-26 → 2026-05-13 · 10 obs

○ 2026-03-25 19:23:34
● 2026-03-26 03:22:24
○ 2026-03-27 01:26:46
○ 2026-04-23 19:07:38
● 2026-04-24 05:51:44
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○ 2026-05-12 22:53:52
● 2026-05-13 00:43:38
○ 2026-05-13 03:59:08
○ 2026-07-25 23:14:56

○A52.84.118.312026-03-26 → 2026-05-13 · 10 obs

○A52.84.118.792026-03-26 → 2026-05-13 · 10 obs

○A52.84.118.972026-03-26 → 2026-05-13 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, d.dns.jp, h.dns.jp, g.dns.jp...	-
ruby-dev.jp	ns-961.awsdns-56.net, ns-1390.awsdns-45.org, ns-1764.awsdns-28.co.uk, ns-113.awsdns-14.com	-

✅ Authoritative Response

Server:205.251.195.193

NS records: ns-961.awsdns-56.net, ns-1390.awsdns-45.org, ns-1764.awsdns-28.co.uk, ns-113.awsdns-14.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruby-dev.jp (unsigned zone)

⏱️ Timing

Total: 2494ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.123, 13.35.107.2...`
NS	4	`ns-113.awsdns-14.com, ns-1390.awsdns-45.org...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`apple-domain-verification=tvJ5tGNyFRwyzY, google-site-verification=NUZWASnoQZEQQv9...`
SOA	1	`ns-1390.awsdns-45.org awsdns-hostmaster.`

Analysis

Hierarchy

www.ruby-dev.jp is delegated beneath ruby-dev.jp.

IP Addresses

ruby-dev.jp points to the four IP addresses 3.165.136.35, 3.165.136.81, 3.165.136.89 and 3.165.136.97.

Two other host names, along with d1uudhnhfs66n9.cloudfront.net, d29mewmmpy7uzp.cloudfront.net and d3kuwphqfjzssp.cloudfront.net, also share IP numbers with ruby-dev.jp.

Name Servers

The NS records for ruby-dev.jp point to four name servers: ns-113.awsdns-14.com, ns-961.awsdns-56.net, ns-1390.awsdns-45.org and ns-1764.awsdns-28.co.uk.

There is at least partial name server overlap between ruby-dev.jp and other domains — veeagov.com, gcssoftware.com, obsev.com and two more among them.

All four hostnames — ns-113.awsdns-14.com, ns-961.awsdns-56.net, ns-1390.awsdns-45.org and ns-1764.awsdns-28.co.uk — resolve to two IP numbers apiece: ns-113.awsdns-14.com to 205.251.192.113 and 2600:9000:5300:7100::1; ns-961.awsdns-56.net to 205.251.195.193 and 2600:9000:5303:c100::1; ns-1390.awsdns-45.org to 205.251.197.110 and 2600:9000:5305:6e00::1; ns-1764.awsdns-28.co.uk to 205.251.198.228 and 2600:9000:5306:e400::1.

Mail Servers

ruby-dev.jp has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between ruby-dev.jp and other domains, including ns500759.ns500759.ns500758.ns500698.ns500736.ns500736.ns500698.ns500736.ns500735.ns500735.ns500708.ns500698.ns500698.ns500619.ns500652.ns500576.trackreceptor.com, ns500768.ns500758.ns500759.ns500735.ns500736.ns500698.ns500736.ns500698.ns500576.ns500576.ns500698.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, lgms.global and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 142.251.179.27 and 2607:f8b0:4004:c21::1a.

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

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

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

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