`h2class.com`

DNSSEC	⚠️ Not signed
A	157.7.231.224^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`www4.gmoserver.jp`
NS	`dns01.gmoserver.jp` ⭐
		A	157.7.33.81^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`dns01.gmoserver.jp`
NS	`dns02.gmoserver.jp`
		A	157.7.34.81^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`dns02.gmoserver.jp`
MX	`mx4.gmoserver.jp` ⭐
		A	157.7.231.228^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mx4.gmoserver.jp`
TXT	`v=spf1 include:spf4.gmoserver.jp ~all`
SOA	`dns01.gmoserver.jp`hostmaster@h2class.com 2016-06-09 #12

`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=1774584207

Same first word

h2class.com

h2class.uk

DNS History

7 records (4 active, 3 former)

●NSdns01.gmoserver.jp2015-07-05 → 2026-03-27 · 2 obs

● 2015-07-05 06:30:14
● 2026-03-27 04:30:52

●NSdns02.gmoserver.jp2015-07-05 → 2026-03-27 · 2 obs

● 2015-07-05 06:30:14
● 2026-03-27 04:30:52

●MXmx4.gmoserver.jp2016-12-04 → 2026-03-27 · 3 obs

○ 2016-04-05 23:52:02
● 2016-12-04 09:07:30
● 2026-03-27 04:30:52

○MXmx6.gmoserver.jp2015-07-05 → 2016-04-05 · 4 obs

● 2015-07-05 06:30:14
● 2016-04-05 23:52:02
○ 2016-12-04 09:07:30
○ 2026-03-27 04:30:52

●A157.7.231.2242026-02-22 → 2026-03-27 · 3 obs

○ 2017-08-13 00:49:10
● 2026-02-22 00:10:32
● 2026-03-27 04:30:52

○A210.172.183.322015-07-05 → 2016-04-05 · 4 obs

● 2015-07-05 06:30:14
● 2016-04-05 23:52:02
○ 2016-12-04 09:07:30
○ 2026-03-27 04:30:52

○A211.123.214.82016-12-04 → 2017-08-13 · 5 obs

○ 2016-04-05 23:52:02
● 2016-12-04 09:07:30
● 2017-08-13 00:49:10
○ 2026-02-22 00:10:32
○ 2026-03-27 04:30:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
h2class.com	dns01.gmoserver.jp, dns02.gmoserver.jp	-

✅ Authoritative Response

Server:157.7.33.81

NS records: dns01.gmoserver.jp, dns02.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for h2class.com (unsigned zone)

⏱️ Timing

Total: 1819ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.231.224`
NS	2	`dns01.gmoserver.jp, dns02.gmoserver.jp`
MX	1	`mx4.gmoserver.jp (pri: 10)`
TXT	1	`v=spf1 include:spf4.gmoserver.jp ~all`
SOA	1	`dns01.gmoserver.jp hostmaster.h2class.co`

Analysis

IP Addresses

h2class.com points to a single IP number: 157.7.231.224.

Other host names, for instance atche.com, culip.info, gameplan.jp, mirushiru.com and gt-one.net share IP numbers with h2class.com.

Name Servers

h2class.com is delegated to two name servers: dns01.gmoserver.jp and dns02.gmoserver.jp.

h2class.com uses the same name server setup as other domains, for instance yomogidou.com, agriplus.jp, mglab.jp, ontimes.net and fineg.co.jp.

Host names with one IP number:

dns01.gmoserver.jp points to: 157.7.33.81.

dns02.gmoserver.jp points to: 157.7.34.81.

Mail Servers

The mail server for h2class.com is mx4.gmoserver.jp.

h2class.com shares the same mail server setup as other domains, including fanpage.jp, golftips.tokyo, giken.net, teamspad.net and osawa-bousui.com.

h2class.com shares at least some mail servers with other domains, for instance buylab.co.jp.

Host name mx4.gmoserver.jp resolves to IP 157.7.231.228.

h2class.com - robtex.com

h2class.com

com