`11sumai.jp`

DNSSEC	⚠️ Not signed
A	203.79.63.71^{🇯🇵 JETINTERNET203.79.63.0/24}
		PTR	`nod071.stat.rt.jet.ne.jp`
NS	`ns001.jet.ne.jp` ⭐
		A	203.79.48.2^{🇯🇵 JETINTERNET203.79.48.0/22}
			PTR	`ns001.jet.ne.jp`
NS	`ns004.jet.ne.jp`
		A	219.99.173.209^{🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim}
			PTR	`mx04.jet.ne.jp`
MX	`mail.11sumai.jp` ⭐
		A	203.79.63.111^{🇯🇵 JETINTERNET203.79.63.0/24}
			PTR	`mail.0117.jp`
TXT	`v=spf1 +ip4:219.99.173.209 +ip4:219.99.173.210 +ip4:203.79.48.40 +ip4:203.79....`
SOA	`ns001.jet.ne.jp`postmaster@jet.ne.jp 2026-04-17 #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=1778694303

Subdomains

mail.11sumai.jp

Same first word

11sumai.jp

DNS History

6 records (4 active, 2 former)

●NSns001.jet.ne.jp2015-08-23 → 2026-05-13 · 2 obs

● 2015-08-23 16:08:44
● 2026-05-13 18:10:00

○NSns003.jet.ne.jp2015-08-23 → 2017-07-03 · 4 obs

● 2015-08-23 16:08:44
● 2017-07-03 11:41:12
○ 2026-02-24 00:41:20
○ 2026-05-13 18:10:00

●NSns004.jet.ne.jp2026-02-24 → 2026-05-13 · 3 obs

○ 2017-07-03 11:41:12
● 2026-02-24 00:41:20
● 2026-05-13 18:10:00

●MXmail.11sumai.jp2026-02-24 → 2026-05-13 · 3 obs

○ 2017-07-03 11:41:12
● 2026-02-24 00:41:20
● 2026-05-13 18:10:00

○MXvhost.11sumai.jp2015-08-23 → 2017-07-03 · 4 obs

● 2015-08-23 16:08:44
● 2017-07-03 11:41:12
○ 2026-02-24 00:41:20
○ 2026-05-13 18:10:00

●A203.79.63.712015-08-23 → 2026-05-13 · 2 obs

● 2015-08-23 16:08:44
● 2026-05-13 18:10:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, e.dns.jp, a.dns.jp, d.dns.jp...	-
11sumai.jp	ns001.jet.ne.jp, ns004.jet.ne.jp	2 records

✅ Authoritative Response

Server:219.99.173.209

NS records: ns001.jet.ne.jp, ns004.jet.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 11sumai.jp (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.79.63.71`
NS	2	`ns004.jet.ne.jp, ns001.jet.ne.jp`
MX	1	`mail.11sumai.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:219.99.173.209 +ip4:219.99.1`
SOA	1	`ns001.jet.ne.jp postmaster.jet.ne.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns004.jet.ne.jp, ns001.jet.ne.jp)

Analysis

Hierarchy

11sumai.jp is the parent of mail.11sumai.jp.

IP Addresses

11sumai.jp points to IP number 203.79.63.71.

Other host names, for example vhost.tnb.or.jp and nod071.stat.rt.jet.ne.jp, share IPs with 11sumai.jp.

Name Servers

11sumai.jp is delegated to two name servers: ns001.jet.ne.jp and ns004.jet.ne.jp.

11sumai.jp uses the same name server setup as other domains such as cl-blend.jp, skbk.or.jp, wakuni.com, ap-tohoku.com and gazaihanbai.jp.

11sumai.jp shares name servers with other domains at least partially, for example 50.79.203.in-addr.arpa, zakkaz.ne.jp, town.ogawara.miyagi.jp, 58.79.203.in-addr.arpa and 0117.jp.

these name servers are commonly paired with ns003.jet.ne.jp, ns002.jet.ne.jp, 01.dnsv.jp, bdns01.gmoregistry.net, bdns02.gmoregistry.net, bdns03.gmoregistry.net and ns005.jet.ne.jp.

Host names with one IP number:

ns001.jet.ne.jp points to: 203.79.48.2.

ns004.jet.ne.jp points to: 219.99.173.209.

Mail Servers

11sumai.jp is handled by a single mail server, mail.11sumai.jp.

mail.11sumai.jp points to a single IP: 203.79.63.111.

11sumai.jp - robtex.com

11sumai.jp

jp