`tosou-kyoushin.com`

DNSSEC	⚠️ Not signed
A	157.7.189.71^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users262.vip.heteml.jp`
NS	`dns0.heteml.jp` ⭐
		A	157.7.44.53^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`dns510.heteml.jp`
NS	`dns1.heteml.jp`
		A	157.7.188.149^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`dns711.phy.heteml.jp`
MX	`mx-proxy501.heteml.jp` ⭐
		A	157.7.189.17^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
MX	`mx-proxy502.heteml.jp`⁽²⁰⁾
		A	157.7.189.18^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
TXT	`v=spf1 include:_spf.heteml.jp ~all`
SOA	`dns0.heteml.jp`hostmaster@tosou-kyoushin.com serial=1774678578

`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=1774680622

Subdomains

www.tosou-kyoushin.com

Same first word

tosou-kyoushin.com

DNS History

6 records (5 active, 1 former)

●NSdns0.heteml.jp2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 20:35:44
● 2026-03-28 06:56:26

●NSdns1.heteml.jp2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 20:35:44
● 2026-03-28 06:56:26

●MXmx-proxy501.heteml.jp2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 20:35:44
● 2026-03-28 06:56:26

●MXmx-proxy502.heteml.jp2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 20:35:44
● 2026-03-28 06:56:26

○A157.7.188.272015-06-19 → 2017-04-09 · 4 obs

● 2015-06-19 20:35:44
● 2017-04-09 17:55:12
○ 2026-02-18 08:22:54
○ 2026-03-28 06:56:26

●A157.7.189.712026-02-18 → 2026-03-28 · 3 obs

○ 2017-04-09 17:55:12
● 2026-02-18 08:22:54
● 2026-03-28 06:56:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
tosou-kyoushin.com	dns0.heteml.jp, dns1.heteml.jp	-

✅ Authoritative Response

Server:157.7.44.53

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.189.71`
NS	2	`dns1.heteml.jp, dns0.heteml.jp`
MX	2	`mx-proxy501.heteml.jp (pri: 10), mx-proxy502.heteml.jp (pri: 20)`
TXT	1	`v=spf1 include:_spf.heteml.jp ~all`
SOA	1	`dns0.heteml.jp hostmaster.tosou-kyoushin`

Analysis

Hierarchy

www.tosou-kyoushin.com has tosou-kyoushin.com as its parent.

IP Addresses

tosou-kyoushin.com maps to IP address 157.7.189.71.

Other host names, for instance necogairu.com, higashiaburayama-clinic.com, choemon.com, g-d-s.co.jp and dreque.com share IP numbers with tosou-kyoushin.com.

Name Servers

Two name servers dns0.heteml.jp and dns1.heteml.jp are delegated to tosou-kyoushin.com.

tosou-kyoushin.com uses the same name server configuration as other domains, such as y-s-k.co.jp, tvman.jp, nanohana-dc.com, aryrocco.com and nishiyama-jyusetsu.com.

Host names with a single IP address:

dns0.heteml.jp points to 157.7.44.53

dns1.heteml.jp points to 157.7.188.149

Mail Servers

Two mail servers handle tosou-kyoushin.com: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

tosou-kyoushin.com shares the same mail server setup as other domains, including itoman-minpaku.com, michinoeki-ryuhoku.com, fuji-koatsu.com, aroma-sara.com and virgin-babylon-records.com.

tosou-kyoushin.com shares some mail servers with other domains, for instance so-le.net and carifood.jp.

Host names with a single IP address:

mx-proxy501.heteml.jp points to 157.7.189.17

mx-proxy502.heteml.jp points to 157.7.189.18

tosou-kyoushin.com - robtex.com