`obentou-osouzai.jp`

DNSSEC	⚠️ Not signed
A	3.170.42.11^{🇺🇸 Amazon3.170.40.0/22}
		PTR	`server-3-170-42-11.iad61.r.cloudfront.net`
A	3.170.42.24^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.57^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.62^{🇺🇸 Amazon3.170.40.0/22}
NS	`ns-1048.awsdns-03.org` ⭐
		A	2600:9000:5304:1800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1048.awsdns-03.org`
		A	205.251.196.24^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1048.awsdns-03.org`
NS	`ns-1863.awsdns-40.co.uk`
		A	2600:9000:5307:4700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1863.awsdns-40.co.uk`
		A	205.251.199.71^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1863.awsdns-40.co.uk`
NS	`ns-444.awsdns-55.com`
		A	2600:9000:5301:bc00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-444.awsdns-55.com`
		A	205.251.193.188^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-444.awsdns-55.com`
NS	`ns-924.awsdns-51.net`
		A	2600:9000:5303:9c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-924.awsdns-51.net`
		A	205.251.195.156^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-924.awsdns-51.net`
MX	`mx.obentou-osouzai.jp` ⭐
		A	163.43.80.50^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`www3740.sakura.ne.jp`
TXT	`v=spf1 a:www3740.sakura.ne.jp +ip4:46.51.249.127 mx ~all`
SOA	`ns-1048.awsdns-03.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=1781499603

Subdomains

mx.obentou-osouzai.jp

Same first word

obentou-osouzai.jp

DNS History

51 records (9 active, 42 former)

●NSns-1048.awsdns-03.org2026-04-10 → 2026-06-15 · 3 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
● 2026-06-15 05:15:52

●NSns-1863.awsdns-40.co.uk2026-04-10 → 2026-06-15 · 3 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
● 2026-06-15 05:15:52

●NSns-444.awsdns-55.com2026-04-10 → 2026-06-15 · 3 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
● 2026-06-15 05:15:52

●NSns-924.awsdns-51.net2026-04-10 → 2026-06-15 · 3 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
● 2026-06-15 05:15:52

○NSnsas1.firstserver.ne.jp2015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

○NSnsas2.firstserver.ne.jp2015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

○MXmail.obentou-osouzai.jp2015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

●MXmx.obentou-osouzai.jp2026-04-10 → 2026-06-15 · 3 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
● 2026-06-15 05:15:52

○MXmx1.firstserver.ne.jp2015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

○MXmx2.firstserver.ne.jp2015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

○A108.156.46.1002026-06-08 → 2026-06-11 · 8 obs

○ 2026-06-05 19:47:04
● 2026-06-08 13:41:48
● 2026-06-08 19:07:46
○ 2026-06-08 21:31:28
○ 2026-06-11 14:53:32
● 2026-06-11 15:27:32
○ 2026-06-12 10:47:26
○ 2026-06-15 05:15:52

○A108.156.46.1052026-06-08 → 2026-06-11 · 8 obs

○ 2026-06-05 19:47:04
● 2026-06-08 13:41:48
● 2026-06-08 19:07:46
○ 2026-06-08 21:31:28
○ 2026-06-11 14:53:32
● 2026-06-11 15:27:32
○ 2026-06-12 10:47:26
○ 2026-06-15 05:15:52

○A108.156.46.452026-06-08 → 2026-06-11 · 8 obs

○ 2026-06-05 19:47:04
● 2026-06-08 13:41:48
● 2026-06-08 19:07:46
○ 2026-06-08 21:31:28
○ 2026-06-11 14:53:32
● 2026-06-11 15:27:32
○ 2026-06-12 10:47:26
○ 2026-06-15 05:15:52

○A108.156.46.502026-06-08 → 2026-06-11 · 8 obs

○ 2026-06-05 19:47:04
● 2026-06-08 13:41:48
● 2026-06-08 19:07:46
○ 2026-06-08 21:31:28
○ 2026-06-11 14:53:32
● 2026-06-11 15:27:32
○ 2026-06-12 10:47:26
○ 2026-06-15 05:15:52

○A108.158.147.1272026-04-12 → 2026-06-08 · 38 obs

○ 2026-04-12 01:39:14
● 2026-04-12 09:10:44
● 2026-04-13 14:25:00
○ 2026-04-13 16:56:00
○ 2026-04-15 07:52:34
● 2026-04-15 15:43:38
○ 2026-04-16 07:25:50
○ 2026-04-19 13:26:20
● 2026-04-21 20:47:22
○ 2026-04-22 03:13:14
○ 2026-04-24 23:00:18
● 2026-04-25 02:02:28
○ 2026-04-25 10:33:54
○ 2026-04-28 17:08:30
● 2026-04-29 03:20:42
○ 2026-04-29 09:30:30
○ 2026-05-04 19:46:46
● 2026-05-05 15:30:38
○ 2026-05-06 09:18:08
● 2026-05-07 15:49:44
○ 2026-05-08 09:22:04
○ 2026-05-13 06:59:58
● 2026-05-14 17:16:50
○ 2026-05-14 23:35:02
● 2026-05-15 01:29:56
○ 2026-05-15 09:42:40
○ 2026-05-24 04:12:58
● 2026-05-24 07:13:22
○ 2026-05-24 13:59:18
○ 2026-05-28 08:26:06
● 2026-05-29 13:24:52
○ 2026-05-30 14:25:46
● 2026-05-31 22:55:26
○ 2026-06-02 06:43:58
○ 2026-06-08 19:07:46
● 2026-06-08 21:31:28
○ 2026-06-10 04:17:32
○ 2026-06-15 05:15:52

○A108.158.147.322026-04-12 → 2026-06-08 · 38 obs

○A108.158.147.392026-04-12 → 2026-06-08 · 38 obs

○A108.158.147.402026-04-12 → 2026-06-08 · 38 obs

○A13.249.141.1082026-05-19 → 2026-06-05 · 16 obs

○ 2026-05-18 12:26:38
● 2026-05-19 09:27:12
● 2026-05-24 04:12:58
○ 2026-05-24 07:13:22
● 2026-05-24 13:59:18
○ 2026-05-26 03:36:58
○ 2026-05-26 07:31:48
● 2026-05-26 15:30:28
● 2026-05-28 08:26:06
○ 2026-05-29 13:24:52
● 2026-05-30 14:25:46
○ 2026-05-31 22:55:26
● 2026-06-02 06:43:58
● 2026-06-05 19:47:04
○ 2026-06-08 13:41:48
○ 2026-06-15 05:15:52

○A13.249.141.1202026-05-19 → 2026-06-05 · 16 obs

○A13.249.141.282026-05-19 → 2026-06-05 · 16 obs

○A13.249.141.882026-05-19 → 2026-06-05 · 16 obs

○A13.32.16.752026-06-12 → 2026-06-14 · 10 obs

○ 2026-06-12 17:22:16
● 2026-06-12 18:10:26
○ 2026-06-13 00:18:02
● 2026-06-13 09:54:04
○ 2026-06-13 15:45:36
○ 2026-06-14 00:13:54
● 2026-06-14 03:04:34
● 2026-06-14 22:28:08
○ 2026-06-15 01:50:44
○ 2026-06-15 05:15:52

○A13.32.16.792026-06-12 → 2026-06-14 · 10 obs

○A13.32.16.912026-06-12 → 2026-06-14 · 10 obs

○A13.32.16.972026-06-12 → 2026-06-14 · 10 obs

○A13.33.129.1112026-05-03 → 2026-05-10 · 10 obs

○ 2026-05-02 13:18:34
● 2026-05-03 08:12:14
○ 2026-05-03 18:11:24
○ 2026-05-05 15:30:38
● 2026-05-06 09:18:08
○ 2026-05-07 15:49:44
○ 2026-05-09 07:58:54
● 2026-05-10 17:55:40
○ 2026-05-10 22:04:50
○ 2026-06-15 05:15:52

○A13.33.129.1272026-05-03 → 2026-05-10 · 10 obs

○A13.33.129.402026-05-03 → 2026-05-10 · 10 obs

○A13.33.129.442026-05-03 → 2026-05-10 · 10 obs

○A18.239.183.1062026-04-23 → 2026-05-12 · 30 obs

○ 2026-04-22 03:13:14
● 2026-04-23 19:27:56
○ 2026-04-23 22:01:48
● 2026-04-24 12:56:06
○ 2026-04-24 23:00:18
○ 2026-04-27 02:43:52
● 2026-04-27 18:18:02
● 2026-04-28 14:37:50
○ 2026-04-28 17:08:30
○ 2026-04-29 09:30:30
● 2026-05-01 00:41:24
○ 2026-05-01 03:03:58
● 2026-05-02 00:32:42
○ 2026-05-02 13:18:34
○ 2026-05-04 00:12:48
● 2026-05-04 01:54:44
● 2026-05-04 19:46:46
○ 2026-05-05 15:30:38
○ 2026-05-08 09:22:04
● 2026-05-08 18:02:30
○ 2026-05-08 20:15:02
● 2026-05-09 00:42:24
○ 2026-05-09 07:58:54
○ 2026-05-10 17:55:40
● 2026-05-10 22:04:50
● 2026-05-11 05:12:32
○ 2026-05-11 15:37:44
● 2026-05-12 09:25:54
○ 2026-05-12 13:28:48
○ 2026-06-15 05:15:52

○A18.239.183.1112026-04-23 → 2026-05-12 · 30 obs

○A18.239.183.32026-04-23 → 2026-05-12 · 30 obs

○A18.239.183.492026-04-23 → 2026-05-12 · 30 obs

○A18.245.143.1002026-04-10 → 2026-06-14 · 74 obs

○ 2026-04-10 08:30:06
● 2026-04-10 19:33:08
○ 2026-04-11 01:44:14
● 2026-04-11 02:27:28
○ 2026-04-11 05:12:32
○ 2026-04-11 07:53:02
● 2026-04-11 09:27:22
○ 2026-04-11 10:09:48
● 2026-04-11 17:03:08
○ 2026-04-11 19:55:36
○ 2026-04-11 23:35:08
● 2026-04-12 01:39:14
○ 2026-04-12 09:10:44
○ 2026-04-13 14:25:00
● 2026-04-13 16:56:00
○ 2026-04-15 07:52:34
○ 2026-04-16 07:25:50
● 2026-04-17 06:12:32
○ 2026-04-19 09:01:20
● 2026-04-19 13:26:20
○ 2026-04-21 20:47:22
● 2026-04-22 03:13:14
○ 2026-04-23 19:27:56
● 2026-04-23 22:01:48
○ 2026-04-24 12:56:06
● 2026-04-24 23:00:18
○ 2026-04-25 02:02:28
● 2026-04-25 10:33:54
● 2026-04-27 02:43:52
○ 2026-04-27 18:18:02
○ 2026-04-28 14:37:50
● 2026-04-28 17:08:30
○ 2026-04-29 03:20:42
● 2026-04-29 09:30:30
○ 2026-05-01 00:41:24
● 2026-05-01 03:03:58
○ 2026-05-02 00:32:42
● 2026-05-02 13:18:34
○ 2026-05-03 08:12:14
● 2026-05-03 18:11:24
● 2026-05-04 00:12:48
○ 2026-05-04 01:54:44
○ 2026-05-07 15:49:44
● 2026-05-08 09:22:04
○ 2026-05-08 18:02:30
● 2026-05-08 20:15:02
○ 2026-05-09 00:42:24
● 2026-05-09 07:58:54
○ 2026-05-10 17:55:40
○ 2026-05-11 05:12:32
● 2026-05-11 15:37:44
○ 2026-05-12 09:25:54
● 2026-05-12 13:28:48
● 2026-05-13 06:59:58
○ 2026-05-14 17:16:50
● 2026-05-14 23:35:02
○ 2026-05-15 01:29:56
● 2026-05-15 09:42:40
● 2026-05-18 12:26:38
○ 2026-05-19 09:27:12
○ 2026-06-08 21:31:28
● 2026-06-10 04:17:32
○ 2026-06-11 14:53:32
○ 2026-06-11 15:27:32
● 2026-06-12 10:47:26
● 2026-06-12 17:22:16
○ 2026-06-12 18:10:26
● 2026-06-13 00:18:02
○ 2026-06-13 09:54:04
○ 2026-06-13 17:17:14
● 2026-06-13 19:52:42
● 2026-06-14 00:13:54
○ 2026-06-14 03:04:34
○ 2026-06-15 05:15:52

○A18.245.143.1142026-04-10 → 2026-06-14 · 74 obs

○A18.245.143.552026-04-10 → 2026-06-14 · 74 obs

○A18.245.143.672026-04-10 → 2026-06-14 · 74 obs

○A203.137.90.1572015-06-30 → 2017-02-19 · 4 obs

● 2015-06-30 01:52:22
● 2017-02-19 20:10:46
○ 2026-04-10 08:30:06
○ 2026-06-15 05:15:52

●A3.170.42.112026-04-19 → 2026-06-15 · 17 obs

○ 2026-04-17 06:12:32
● 2026-04-19 09:01:20
○ 2026-04-19 13:26:20
○ 2026-05-24 13:59:18
● 2026-05-26 03:36:58
● 2026-05-26 07:31:48
○ 2026-05-26 15:30:28
○ 2026-06-10 04:17:32
● 2026-06-11 14:53:32
○ 2026-06-11 15:27:32
○ 2026-06-13 09:54:04
● 2026-06-13 15:45:36
● 2026-06-13 17:17:14
○ 2026-06-13 19:52:42
○ 2026-06-14 22:28:08
● 2026-06-15 01:50:44
● 2026-06-15 05:15:52

●A3.170.42.242026-04-19 → 2026-06-15 · 17 obs

●A3.170.42.572026-04-19 → 2026-06-15 · 17 obs

●A3.170.42.622026-04-19 → 2026-06-15 · 17 obs

○A3.174.29.1082026-04-10 → 2026-04-16 · 12 obs

○ 2017-02-19 20:10:46
● 2026-04-10 08:30:06
○ 2026-04-10 19:33:08
○ 2026-04-11 19:55:36
● 2026-04-11 23:35:08
○ 2026-04-12 01:39:14
○ 2026-04-13 16:56:00
● 2026-04-15 07:52:34
○ 2026-04-15 15:43:38
● 2026-04-16 07:25:50
○ 2026-04-17 06:12:32
○ 2026-06-15 05:15:52

○A3.174.29.672026-04-10 → 2026-04-16 · 12 obs

○A3.174.29.882026-04-10 → 2026-04-16 · 12 obs

○A3.174.29.892026-04-10 → 2026-04-16 · 12 obs

○A3.174.59.1122026-04-11 → 2026-04-11 · 11 obs

○ 2026-04-10 19:33:08
● 2026-04-11 01:44:14
○ 2026-04-11 02:27:28
● 2026-04-11 05:12:32
● 2026-04-11 07:53:02
○ 2026-04-11 09:27:22
● 2026-04-11 10:09:48
○ 2026-04-11 17:03:08
● 2026-04-11 19:55:36
○ 2026-04-11 23:35:08
○ 2026-06-15 05:15:52

○A3.174.59.1192026-04-11 → 2026-04-11 · 11 obs

○A3.174.59.282026-04-11 → 2026-04-11 · 11 obs

○A3.174.59.552026-04-11 → 2026-04-11 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
obentou-osouzai.jp	ns-444.awsdns-55.com, ns-924.awsdns-51.net, ns-1048.awsdns-03.org, ns-1863.awsdns-40.co.uk	-

✅ Authoritative Response

Server:205.251.199.71

NS records: ns-444.awsdns-55.com, ns-924.awsdns-51.net, ns-1048.awsdns-03.org, ns-1863.awsdns-40.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obentou-osouzai.jp (unsigned zone)

⏱️ Timing

Total: 4241ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.42.24, 3.170.42.62...`
NS	4	`ns-1048.awsdns-03.org, ns-1863.awsdns-40.co.uk...`
MX	1	`mx.obentou-osouzai.jp (pri: 10)`
TXT	1	`v=spf1 a:www3740.sakura.ne.jp +ip4:46.51`
SOA	1	`ns-1048.awsdns-03.org awsdns-hostmaster.`

Analysis

Hierarchy

obentou-osouzai.jp serves as the parent of mx.obentou-osouzai.jp.

IP Addresses

obentou-osouzai.jp has four IP addresses: 3.170.42.11, 3.170.42.24, 3.170.42.57 and 3.170.42.62.

d2examor23l10l.cloudfront.net, d2cr2cekg8rpfg.cloudfront.net, d2dnj2varakur7.cloudfront.net plus two other host names have IP numbers in common with obentou-osouzai.jp.

Name Servers

Four name servers handle the delegation for obentou-osouzai.jp: ns-444.awsdns-55.com, ns-924.awsdns-51.net, ns-1048.awsdns-03.org and ns-1863.awsdns-40.co.uk.

obentou-osouzai.jp has at least partial name server overlap with other domains, such as worka.com, aidaaura.de, appstoreconnect.org and two others.

ns-238.awsdns-29.com, ns-1354.awsdns-41.org and ns-1963.awsdns-53.co.uk — plus 4 other name servers — are commonly paired with these name servers.

ns-444.awsdns-55.com, ns-924.awsdns-51.net, ns-1048.awsdns-03.org and ns-1863.awsdns-40.co.uk all point to exactly two IP numbers each: ns-444.awsdns-55.com → 205.251.193.188 and 2600:9000:5301:bc00::1; ns-924.awsdns-51.net → 205.251.195.156 and 2600:9000:5303:9c00::1; ns-1048.awsdns-03.org → 205.251.196.24 and 2600:9000:5304:1800::1; ns-1863.awsdns-40.co.uk → 205.251.199.71 and 2600:9000:5307:4700::1.

Mail Servers

obentou-osouzai.jp uses one mail server — mx.obentou-osouzai.jp.

mx.obentou-osouzai.jp points to one IP number — 163.43.80.50.

obentou-osouzai.jp - robtex.com