`web-seo-system.com`

DNSSEC	⚠️ Not signed
A	157.7.44.177^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users259.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@web-seo-system.com serial=1777055058

`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=1777055112

Subdomains

dmail.web-seo-system.com

Same first word

web-seo-system.com

DNS History

7 records (5 active, 2 former)

●NSdns0.heteml.jp2015-10-13 → 2026-04-24 · 2 obs

● 2015-10-13 02:11:38
● 2026-04-24 18:44:24

●NSdns1.heteml.jp2015-10-13 → 2026-04-24 · 2 obs

● 2015-10-13 02:11:38
● 2026-04-24 18:44:24

○MXmail12.heteml.jp2015-10-13 → 2020-01-21 · 4 obs

● 2015-10-13 02:11:38
● 2020-01-21 09:37:52
○ 2026-02-16 01:40:12
○ 2026-04-24 18:44:24

●MXmx-proxy501.heteml.jp2026-02-16 → 2026-04-24 · 3 obs

○ 2020-01-21 09:37:52
● 2026-02-16 01:40:12
● 2026-04-24 18:44:24

●MXmx-proxy502.heteml.jp2026-02-16 → 2026-04-24 · 3 obs

○ 2020-01-21 09:37:52
● 2026-02-16 01:40:12
● 2026-04-24 18:44:24

○A157.7.188.972015-10-13 → 2020-01-21 · 4 obs

● 2015-10-13 02:11:38
● 2020-01-21 09:37:52
○ 2026-02-16 01:40:12
○ 2026-04-24 18:44:24

●A157.7.44.1772026-02-16 → 2026-04-24 · 3 obs

○ 2020-01-21 09:37:52
● 2026-02-16 01:40:12
● 2026-04-24 18:44:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
web-seo-system.com	dns0.heteml.jp, dns1.heteml.jp	-

✅ Authoritative Response

Server:157.7.188.149

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for web-seo-system.com (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.44.177`
NS	2	`dns0.heteml.jp, dns1.heteml.jp`
MX	2	`mx-proxy502.heteml.jp (pri: 20), mx-proxy501.heteml.jp (pri: 10)`
TXT	1	`v=spf1 include:_spf.heteml.jp ~all`
SOA	1	`dns0.heteml.jp hostmaster.web-seo-system`

Analysis

Hierarchy

dmail.web-seo-system.com has web-seo-system.com as its parent.

IP Addresses

web-seo-system.com maps to IP address 157.7.44.177.

Other host names, for instance sunleg.com, nps1.jp, toenkai.com, puratto.jp and saison-office.com share IP numbers with web-seo-system.com.

Name Servers

Two name servers dns0.heteml.jp and dns1.heteml.jp are delegated to web-seo-system.com.

web-seo-system.com uses the same name server configuration as other domains, such as aspr.co, studio-meiris.com, bonjovi-friendship.com, mariesophied.com and oa-b.jp.

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 web-seo-system.com: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

web-seo-system.com shares the same mail server setup as other domains, including stb-tour.com, n-k-tsushin.net, kaneshindenki.co.jp, indy-watercruise.com and hamasuna.net.

web-seo-system.com shares some mail servers with other domains, at least partially, for instance ecopath.co.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

web-seo-system.com - robtex.com