`sumutoco.jp`

DNSSEC	⚠️ Not signed
A	202.221.128.95^{🇯🇵 IIJ-AS202.221.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
		PTR	`touch04.resellermail.net`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`sumutoco-jp.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`MS=ms70219760`
TXT	`v=spf1 include:spf.protection.outlook.com a -all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1738228030

`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=1778546703

Previously MX for

sumutoco.jp

Same first word

sumutoco.jp

DNS History

8 records (6 active, 2 former)

●NS01.dnsv.jp2015-06-26 → 2026-05-12 · 2 obs

● 2015-06-26 18:52:14
● 2026-05-12 01:12:06

●NS02.dnsv.jp2015-06-26 → 2026-05-12 · 2 obs

● 2015-06-26 18:52:14
● 2026-05-12 01:12:06

●NS03.dnsv.jp2017-07-06 → 2026-05-12 · 3 obs

○ 2015-06-26 18:52:14
● 2017-07-06 05:33:04
● 2026-05-12 01:12:06

●NS04.dnsv.jp2017-07-06 → 2026-05-12 · 3 obs

○ 2015-06-26 18:52:14
● 2017-07-06 05:33:04
● 2026-05-12 01:12:06

●MXsumutoco-jp.mail.protection.outlook.com2026-02-15 → 2026-05-12 · 3 obs

○ 2017-07-06 05:33:04
● 2026-02-15 04:52:24
● 2026-05-12 01:12:06

○MXsumutoco.jp2015-06-26 → 2017-07-06 · 4 obs

● 2015-06-26 18:52:14
● 2017-07-06 05:33:04
○ 2026-02-15 04:52:24
○ 2026-05-12 01:12:06

●A202.221.128.952017-07-06 → 2026-05-12 · 3 obs

○ 2016-09-18 04:03:20
● 2017-07-06 05:33:04
● 2026-05-12 01:12:06

○A210.149.187.1092015-06-26 → 2016-09-18 · 4 obs

● 2015-06-26 18:52:14
● 2016-09-18 04:03:20
○ 2017-07-06 05:33:04
○ 2026-05-12 01:12:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	d.dns.jp, c.dns.jp, f.dns.jp, b.dns.jp...	-
sumutoco.jp	02.dnsv.jp, 01.dnsv.jp	3 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 02.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sumutoco.jp (unsigned zone)

⏱️ Timing

Total: 541ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.221.128.95`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`sumutoco-jp.mail.protection.outlook.com`
TXT	2	`MS=ms70219760, v=spf1 include:spf.protection.outlook.co`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (01.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp)

Analysis

IP Addresses

sumutoco.jp resolves to a single IP address: 202.221.128.95.

Other host names such as meiku59.co.jp, touch04.resellermail.net and seasweb.com share IP numbers with sumutoco.jp.

Name Servers

sumutoco.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

sumutoco.jp at least partially shares name servers with other domains, including kango.co.jp, yebizo.com, hok.jp, shimura.or.jp and kishukai.com.