`klasse-group.com`

DNSSEC	⚠️ Not signed
NS	`vm0.klasse-group.com` ⭐
		A	202.212.133.48^{🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE}
			PTR	`www10b.sppd.ne.jp`
NS	`ns2.sppd.ne.jp`
		A	202.212.133.3^{🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE}
			PTR	`ns2.sppd.ne.jp`
NS	`ns9.sppd.ne.jp`
		A	202.212.133.4^{🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE}
			PTR	`ns9.sppd.ne.jp`
MX	`mb.klasse-group.com` ⭐
		A	202.212.133.48^{🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE}
			PTR	`www10b.sppd.ne.jp`
TXT	`v=spf1 +mx +a ~all`
SOA	`vm0.klasse-group.com`root@vm0.klasse-group.com 2024-10-23 #1

`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=1778502161

Subdomains

mb.klasse-group.com

vm0.klasse-group.com

Same first word

klasse-group.com

DNS History

6 records (4 active, 2 former)

●NSns2.sppd.ne.jp2026-03-27 → 2026-05-11 · 3 obs

○ 2017-02-16 21:59:50
● 2026-03-27 01:56:02
● 2026-05-11 12:40:12

○NSns4.sppd.ne.jp2015-07-24 → 2017-02-16 · 4 obs

● 2015-07-24 04:50:38
● 2017-02-16 21:59:50
○ 2026-03-27 01:56:02
○ 2026-05-11 12:40:12

○NSns8.sppd.ne.jp2015-07-24 → 2017-02-16 · 4 obs

● 2015-07-24 04:50:38
● 2017-02-16 21:59:50
○ 2026-03-27 01:56:02
○ 2026-05-11 12:40:12

●NSns9.sppd.ne.jp2026-03-27 → 2026-05-11 · 3 obs

○ 2017-02-16 21:59:50
● 2026-03-27 01:56:02
● 2026-05-11 12:40:12

●NSvm0.klasse-group.com2015-07-24 → 2026-05-11 · 2 obs

● 2015-07-24 04:50:38
● 2026-05-11 12:40:12

●MXmb.klasse-group.com2015-07-24 → 2026-05-11 · 2 obs

● 2015-07-24 04:50:38
● 2026-05-11 12:40:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
klasse-group.com	ns9.sppd.ne.jp, ns2.sppd.ne.jp	-

✅ Authoritative Response

Server:202.212.133.3

NS records: ns9.sppd.ne.jp, ns2.sppd.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for klasse-group.com (unsigned zone)

⏱️ Timing

Total: 1105ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.sppd.ne.jp, ns9.sppd.ne.jp`
MX	1	`mb.klasse-group.com (pri: 10)`
TXT	1	`v=spf1 +mx +a ~all`
SOA	1	`vm0.klasse-group.com root.vm0.klasse-gro`

Analysis

Hierarchy

klasse-group.com is a parent of mb.klasse-group.com and vm0.klasse-group.com.

Name Servers

The delegation for klasse-group.com is handled by three name servers: vm0.klasse-group.com, ns2.sppd.ne.jp and ns9.sppd.ne.jp.

klasse-group.com at least partially shares name servers with other domains, for instance c-matsumoto.com, affiliates.sc, tomisu-co.com, minifm.net and dream-life.co.jp.

These name servers are commonly used alongside vm0.c-matsumoto.com, vm0.affiliates.sc, vm0.tomisu-co.com and vm0.minifm.net.

Host names with one IP number:

vm0.klasse-group.com points to 202.212.133.48.

ns2.sppd.ne.jp points to 202.212.133.3.

ns9.sppd.ne.jp points to 202.212.133.4.

Mail Servers

klasse-group.com is handled by a single mail server, mb.klasse-group.com.

mb.klasse-group.com points to a single IP: 202.212.133.48.

klasse-group.com - robtex.com

klasse-group.com

com