`ishikawa-tosou.com`

DNSSEC	⚠️ Not signed
A	54.248.170.119^{🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix}
		PTR	`ec2-54-248-170-119.ap-northeast-1.compute.amazonaws.com`
NS	`dns01.muumuu-domain.com` ⭐
		A	202.239.23.39^{🇯🇵 IDC202.239.23.0/24 Frontier Inc.}
NS	`dns02.muumuu-domain.com`
		A	160.251.249.62^{🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
MX	`ishikawa-tosouco.sakura.ne.jp` ⭐
		A	49.212.235.23^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3313.sakura.ne.jp`
TXT	`v=spf1 a:wwwishikawa-tosouco.sakura.ne.jp mx include:_spf.google.com ~all`
SOA	`dns01.muumuu-domain.com`postmaster@ishikawa-tosou.com serial=1739750811

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

ns2.ishikawa-tosou.com

mail.ishikawa-tosou.com

Same first word

ishikawa-tosou.com

DNS History

4 records (4 active, 0 former)

●NSdns01.muumuu-domain.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 06:25:36
● 2026-03-23 13:37:02

●NSdns02.muumuu-domain.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 06:25:36
● 2026-03-23 13:37:02

●MXishikawa-tosouco.sakura.ne.jp2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 06:25:36
● 2026-03-23 13:37:02

●A54.248.170.1192026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 06:25:36
● 2026-03-23 13:37:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
ishikawa-tosou.com	dns01.muumuu-domain.com, dns02.muumuu-domain.com	2 records

✅ Authoritative Response

Server:160.251.249.62

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ishikawa-tosou.com (unsigned zone)

⏱️ Timing

Total: 440ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.248.170.119`
NS	2	`dns02.muumuu-domain.com, dns01.muumuu-domain.com`
MX	1	`ishikawa-tosouco.sakura.ne.jp (pri: 10)`
TXT	1	`v=spf1 a:wwwishikawa-tosouco.sakura.ne.j`
SOA	1	`dns01.muumuu-domain.com postmaster.ishik`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)

Analysis

Hierarchy

ishikawa-tosou.com is parent of ns2.ishikawa-tosou.com and mail.ishikawa-tosou.com.

IP Addresses

ishikawa-tosou.com points to a single IP number: 54.248.170.119.

other host names for instance mail.handc.co.jp, polyne.net, mail.naniwasuidou.com, koei-home.com and ec2-54-248-170-119.ap-northeast-1.compute.amazonaws.com share IP numbers with ishikawa-tosou.com.

Name Servers

ishikawa-tosou.com is delegated to two name servers: dns01.muumuu-domain.com and dns02.muumuu-domain.com.

ishikawa-tosou.com shares the same name server setup as other domains, for example tmo-hino.com, atelierrisa.com, s8958.com, kc-seven8.com and marimogaeru0925.com.

ishikawa-tosou.com at least partially shares name servers with other domains, for instance tenade.com, atefhalim.com, asoul.net, benpi.net and townpage.org.

Host names with one IP number:

The host dns01.muumuu-domain.com points to 202.239.23.39 and the host dns02.muumuu-domain.com points to 160.251.249.62.

Mail Servers

ishikawa-tosou.com is handled by a single mail server, ishikawa-tosouco.sakura.ne.jp.

ishikawa-tosou.com shares the same mail server setup as other domains, for example ishikawa-tosouco.sakura.ne.jp.

Host name ishikawa-tosouco.sakura.ne.jp points to IP address 49.212.235.23.

ishikawa-tosou.com - robtex.com