`tsuruchannel.com`

DNSSEC	⚠️ Not signed
A	140.227.151.201^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
		PTR	`tsuruchannel.com`
NS	`asns1.customer.ne.jp` ⭐
		A	210.150.254.86^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns1.customer.ne.jp`
NS	`asns2.customer.ne.jp`
		A	210.150.254.94^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns2.customer.ne.jp`
MX	`smtp.tsuruchannel.com` ⭐
		A	140.227.151.201^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
			PTR	`tsuruchannel.com`
TXT	`v=spf1 +ip4:140.227.151.201/32 -all`
SOA	`asns1.customer.ne.jp`support@trancom-its.co.jp serial=1970010141

`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=1778529836

Subdomains

smtp.tsuruchannel.com

Same first word

tsuruchannel.com

Similar names

naturschulen.ch

DNS History

7 records (4 active, 3 former)

●NSasns1.customer.ne.jp2015-05-16 → 2026-05-11 · 2 obs

● 2015-05-16 18:45:38
● 2026-05-11 20:25:50

●NSasns2.customer.ne.jp2015-05-16 → 2026-05-11 · 2 obs

● 2015-05-16 18:45:38
● 2026-05-11 20:25:50

○MX203.138.187.982015-10-31 → 2018-01-03 · 5 obs

○ 2015-05-16 18:45:38
● 2015-10-31 02:23:36
● 2018-01-03 11:20:24
○ 2026-04-06 23:52:54
○ 2026-05-11 20:25:50

○MX203.138.187.982015-05-16 → 2015-05-16 · 3 obs

● 2015-05-16 18:45:38
○ 2015-10-31 02:23:36
○ 2026-05-11 20:25:50

●MXsmtp.tsuruchannel.com2026-04-06 → 2026-05-11 · 3 obs

○ 2018-01-03 11:20:24
● 2026-04-06 23:52:54
● 2026-05-11 20:25:50

●A140.227.151.2012026-04-06 → 2026-05-11 · 3 obs

○ 2018-01-03 11:20:24
● 2026-04-06 23:52:54
● 2026-05-11 20:25:50

○A203.138.187.982015-05-16 → 2018-01-03 · 4 obs

● 2015-05-16 18:45:38
● 2018-01-03 11:20:24
○ 2026-04-06 23:52:54
○ 2026-05-11 20:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
tsuruchannel.com	asns1.customer.ne.jp, asns2.customer.ne.jp	-

✅ Authoritative Response

Server:210.150.254.86

NS records: asns1.customer.ne.jp, asns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsuruchannel.com (unsigned zone)

⏱️ Timing

Total: 2284ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.227.151.201`
NS	2	`asns1.customer.ne.jp, asns2.customer.ne.jp`
MX	1	`smtp.tsuruchannel.com (pri: 20)`
TXT	1	`v=spf1 +ip4:140.227.151.201/32 -all`
SOA	1	`asns1.customer.ne.jp support.trancom-its`

Analysis

Hierarchy

The parent of smtp.tsuruchannel.com is tsuruchannel.com.

IP Addresses

tsuruchannel.com points to a single IP address: 140.227.151.201.

Other host names, for instance smtp.tsuruchannel.com, share IP numbers with tsuruchannel.com.

Name Servers

Two name servers asns1.customer.ne.jp and asns2.customer.ne.jp handle the delegation for tsuruchannel.com.

tsuruchannel.com shares the same name server setup as other domains, for example v0700-154.mailsecure.jp, a-kk.com, sit-cc.com, v0900-219.mailsecure.jp and glob-com.co.jp.

tsuruchannel.com at least partially shares name servers with other domains, for example netsafety.or.jp, nis-test.com and waseyobi.jp.

Host names with one IP number:

asns1.customer.ne.jp points to 210.150.254.86; asns2.customer.ne.jp points to 210.150.254.94.

Mail Servers

The smtp.tsuruchannel.com mail server handles tsuruchannel.com.

The mail server setup for tsuruchannel.com is the same as that of other domains, for instance smtp.tsuruchannel.com.

smtp.tsuruchannel.com points to a single IP number: 140.227.151.201.

tsuruchannel.com - robtex.com