`ichikawashing.com`

DNSSEC	⚠️ Not signed
A	203.141.136.45^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
		PTR	`mysv01.interlink.or.jp`
NS	`ddns1.interlink.or.jp` ⭐
		A	203.141.128.39^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
			PTR	`ddns1.interlink.or.jp`
NS	`ddns2.interlink.or.jp`
		A	163.43.140.44^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`ddns2.interlink.or.jp`
MX	`po.ichikawashing.com` ⭐
		A	203.141.136.45^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
			PTR	`mysv01.interlink.or.jp`
TXT	`v=spf1 +mx ~all`
SOA	`ddns1.interlink.or.jp`root@ddns1.interlink.or.jp serial=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=1776010682

Subdomains

po.ichikawashing.com

Same first word

ichikawashing.com

DNS History

4 records (4 active, 0 former)

●NSddns1.interlink.or.jp2015-07-23 → 2026-04-12 · 5 obs

● 2015-07-23 12:53:42
● 2016-03-09 00:50:30
○ 2016-07-10 18:27:06
● 2017-02-20 06:04:22
● 2026-04-12 16:24:22

●NSddns2.interlink.or.jp2015-07-23 → 2026-04-12 · 7 obs

● 2015-07-23 12:53:42
○ 2015-11-29 12:39:14
○ 2016-03-09 00:50:30
● 2016-07-10 18:27:06
○ 2017-02-20 06:04:22
● 2019-12-22 13:47:40
● 2026-04-12 16:24:22

●MXpo.ichikawashing.com2015-07-23 → 2026-04-12 · 2 obs

● 2015-07-23 12:53:42
● 2026-04-12 16:24:22

●A203.141.136.452015-07-23 → 2026-04-12 · 2 obs

● 2015-07-23 12:53:42
● 2026-04-12 16:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...	-
ichikawashing.com	ddns1.interlink.or.jp, ddns2.interlink.or.jp	-

✅ Authoritative Response

Server:203.141.128.39

NS records: ddns1.interlink.or.jp, ddns2.interlink.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ichikawashing.com (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.141.136.45`
NS	2	`ddns2.interlink.or.jp, ddns1.interlink.or.jp`
MX	1	`po.ichikawashing.com (pri: 10)`
TXT	1	`v=spf1 +mx ~all`
SOA	1	`ddns1.interlink.or.jp root.ddns1.interli`

Analysis

Hierarchy

ichikawashing.com is the parent of po.ichikawashing.com.

IP Addresses

ichikawashing.com resolves to a single IP address: 203.141.136.45.

Other host names including www.toyo-life.co.jp, po.e-obiman.com, po.office330.co.jp, fmac.net and mt-j.com share IP numbers with ichikawashing.com.

Name Servers

ichikawashing.com's delegation uses two name servers, ddns1.interlink.or.jp and ddns2.interlink.or.jp.

ichikawashing.com shares the same name server setup as other domains, for example ehimetosyokan.jp, aalt.pro, 228.48.210.in-addr.arpa, mk-con.com and 104.14.157.in-addr.arpa.

ichikawashing.com shares some name servers with other domains, such as aim-sys.ne.jp, chiyosuke.net, nsb-dank.com and miclabs.com.

Host names with a single IP:

ddns1.interlink.or.jp points to 203.141.128.39.

ddns2.interlink.or.jp points to 163.43.140.44.

Mail Servers

ichikawashing.com is handled by a single mail server, po.ichikawashing.com.

po.ichikawashing.com points to a single IP: 203.141.136.45.

ichikawashing.com - robtex.com