`chubumedical.com`

DNSSEC	⚠️ Not signed
A	153.122.205.17^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
NS	`ns2.namedserver.net` ⭐
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`ns.namedserver.net`
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`mx.chubumedical.com` ⭐
		A	153.122.206.114^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
TXT	`MS=22B47CEBCA1936BFE2EB519E448A0726E5890448`
TXT	`v=spf1 include:_spf.shared-server.net ~all`
SOA	`ns.namedserver.net`root@namedserver.net serial=3

`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=1774515122

Subdomains

mx.chubumedical.com

smtp.chubumedical.com

Same first word

chubumedical.com

DNS History

5 records (4 active, 1 former)

●NSns.namedserver.net2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 18:54:20
● 2026-03-26 09:00:56

●NSns2.namedserver.net2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 18:54:20
● 2026-03-26 09:00:56

●MXmx.chubumedical.com2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 18:54:20
● 2026-03-26 09:00:56

●A153.122.205.172026-02-22 → 2026-03-26 · 3 obs

○ 2020-04-02 12:11:30
● 2026-02-22 11:49:40
● 2026-03-26 09:00:56

○A211.13.196.1442015-05-20 → 2020-04-02 · 4 obs

● 2015-05-20 18:54:20
● 2020-04-02 12:11:30
○ 2026-02-22 11:49:40
○ 2026-03-26 09:00:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chubumedical.com	ns.namedserver.net, ns2.namedserver.net	-

✅ Authoritative Response

Server:157.120.114.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chubumedical.com (unsigned zone)

⏱️ Timing

Total: 955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.205.17`
NS	2	`ns2.namedserver.net, ns.namedserver.net`
MX	1	`mx.chubumedical.com (pri: 100)`
TXT	2	`v=spf1 include:_spf.shared-server.net ~a, MS=22B47CEBCA1936BFE2EB519E448A0726E5890`
SOA	1	`ns.namedserver.net root.namedserver.net`

Analysis

Hierarchy

chubumedical.com is parent of mx.chubumedical.com and smtp.chubumedical.com.

IP Addresses

chubumedical.com points to a single IP number: 153.122.205.17.

other host names for instance sitegrid.jp, www.sensez.co.jp, kyougikai.info, www.d-1.co.jp and studio-tact.com share IP numbers with chubumedical.com.

Name Servers

chubumedical.com is delegated to two name servers: ns2.namedserver.net and ns.namedserver.net.

chubumedical.com shares the same name server setup as other domains, for example 105.52.122.153.in-addr.arpa, japan-blades.com, araoreien.com, sub0000544575.hmk-temp.com and 219.0.122.153.in-addr.arpa.

chubumedical.com at least partially shares name servers with other domains, for example 56.28.157.210.in-addr.arpa and frp-japan.com.

Host names with three IP numbers:

ns2.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.

ns.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.

Names pointing to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.

Mail Servers

chubumedical.com is handled by a single mail server, mx.chubumedical.com.

Host name mx.chubumedical.com points to IP address 153.122.206.114.

chubumedical.com - robtex.com