`test-cs-expert2.com`

DNSSEC	⚠️ Not signed
A	210.157.31.6^{🇯🇵 GMO-INTERNET210.157.16.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`test-cs-expert2.com`
NS	`dns01.yahoowebhosting.jp` ⭐
		A	157.120.112.220^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.220^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.220^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`dns02.yahoowebhosting.jp`
		A	157.120.112.220^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.220^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.220^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`vs.mailsystems.net` ⭐
		A	150.95.44.50^{🇯🇵 GMO-INTERNET150.95.32.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`v150-95-44-50.misp.static.cnode.io`
MX	`smtp.test-cs-expert2.com`⁽¹⁰⁰⁾
		A	210.157.31.6^{🇯🇵 GMO-INTERNET210.157.16.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`test-cs-expert2.com`
SOA	`dns01.yahoowebhosting.jp`root@yahoowebhosting.jp serial=2212420141

`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=1774524222

PTR for

6.31.157.210.in-addr.arpa

Subdomains

smtp.test-cs-expert2.com

Same first word

test-cs-expert2.com

DNS History

5 records (5 active, 0 former)

●NSdns01.yahoowebhosting.jp2015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 21:49:38
● 2026-03-26 11:52:18

●NSdns02.yahoowebhosting.jp2015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 21:49:38
● 2026-03-26 11:52:18

●MXsmtp.test-cs-expert2.com2015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 21:49:38
● 2026-03-26 11:52:18

●MXvs.mailsystems.net2015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 21:49:38
● 2026-03-26 11:52:18

●A210.157.31.62015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 21:49:38
● 2026-03-26 11:52:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
test-cs-expert2.com	dns01.yahoowebhosting.jp, dns02.yahoowebhosting.jp	-

✅ Authoritative Response

Server:157.120.112.220

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for test-cs-expert2.com (unsigned zone)

⏱️ Timing

Total: 1569ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.157.31.6`
NS	2	`dns02.yahoowebhosting.jp, dns01.yahoowebhosting.jp`
MX	2	`vs.mailsystems.net (pri: 5), smtp.test-cs-expert2.com (pri: 100)`
SOA	1	`dns01.yahoowebhosting.jp root.yahoowebho`

Analysis

Hierarchy

The parent of smtp.test-cs-expert2.com is test-cs-expert2.com.

IP Addresses

test-cs-expert2.com points to a single IP number: 210.157.31.6.

Other host names, for instance smtp.test-cs-expert2.com, share IP numbers with test-cs-expert2.com.

Name Servers

test-cs-expert2.com is delegated to two name servers: dns01.yahoowebhosting.jp and dns02.yahoowebhosting.jp.

test-cs-expert2.com uses the same name server setup as other domains, for instance ag-imc.com, idtcusa.com, yukiho.net, sanka.biz and omiomi.com.

test-cs-expert2.com shares name servers with other domains at least partially, for instance pt-s.net, 252.30.157.210.in-addr.arpa, worldsky.jp, 7.31.157.210.in-addr.arpa and 139.30.157.210.in-addr.arpa.

these name servers are commonly used together with ns2.namedserver.net and ns.namedserver.net.

Host names with three IP numbers:

dns01.yahoowebhosting.jp points to 157.120.112.220, 157.120.113.220 and 157.120.114.220; dns02.yahoowebhosting.jp points to 157.120.112.220, 157.120.113.220 and 157.120.114.220.

Host names that point to 157.120.112.220: dns01.yahoowebhosting.jp and dns02.yahoowebhosting.jp.

Host names that point to 157.120.113.220: dns01.yahoowebhosting.jp and dns02.yahoowebhosting.jp.

Host names that point to 157.120.114.220: dns01.yahoowebhosting.jp and dns02.yahoowebhosting.jp.

Mail Servers

test-cs-expert2.com is handled by two mail servers: smtp.test-cs-expert2.com and vs.mailsystems.net.

test-cs-expert2.com shares some mail servers with other domains, including test-sys20-08.com, sharoshi.jp, lumenis.co.jp, piano-club.jp and wihf.net.

These mail servers are commonly used with mx.gmocloud.com and smtp.test-sys20-08.com.

Host names with one IP number:

smtp.test-cs-expert2.com points to: 210.157.31.6.

vs.mailsystems.net points to: 150.95.44.50.

test-cs-expert2.com - robtex.com