`seiko-itsolution.co.jp`

DNSSEC	⚠️ Not signed
NS	`ins1.seiko-denki.ne.jp` ⭐
		A	210.252.63.253^{🇯🇵 QTNET210.252.0.0/18 Kyushu Telecommunication Network Co.,Inc./QTNet}
NS	`ins2.seiko-denki.ne.jp`
		A	118.103.55.253^{🇯🇵 GIGAINFRA118.103.0.0/17 Yahoo BB CIDR BLOCK}
MX	`mail.seiko-itsolution.co.jp` ⭐
		A	210.191.73.2^{🇯🇵 QTNET210.191.64.0/18 Kyushu Telecommunication Network Co.,Inc./QTNet}
TXT	`v=spf1 +ip4:210.191.73.2 +ip4:210.191.73.203 +ip4:210.191.73.207 -all`
SOA	`ins1.seiko-denki.ne.jp`m-miyazaki@seiko-denki.co.jp 2026-07-22 #4

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

mail.seiko-itsolution.co.jp

www.seiko-itsolution.co.jp

Same first word

seiko-itsolution.co.jp

seiko-itsolution.jp

DNS History

3 records (3 active, 0 former)

●NSins1.seiko-denki.ne.jp2015-08-05 → 2026-08-09 · 2 obs

● 2015-08-05 18:25:40
● 2026-08-09 02:52:38

●NSins2.seiko-denki.ne.jp2015-08-05 → 2026-08-09 · 2 obs

● 2015-08-05 18:25:40
● 2026-08-09 02:52:38

●MXmail.seiko-itsolution.co.jp2015-08-05 → 2026-08-09 · 2 obs

● 2015-08-05 18:25:40
● 2026-08-09 02:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, b.dns.jp, d.dns.jp, f.dns.jp...	-
seiko-itsolution.co.jp	ins2.seiko-denki.ne.jp, ins1.seiko-denki.ne.jp	2 records

✅ Authoritative Response

Server:118.103.55.253

NS records: ins2.seiko-denki.ne.jp, ins1.seiko-denki.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for seiko-itsolution.co.jp (unsigned zone)

⏱️ Timing

Total: 569ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ins2.seiko-denki.ne.jp, ins1.seiko-denki.ne.jp`
MX	1	`mail.seiko-itsolution.co.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:210.191.73.2 +ip4:210.191.73`
SOA	1	`ins1.seiko-denki.ne.jp m-miyazaki.seiko-`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ins2.seiko-denki.ne.jp, ins1.seiko-denki.ne.jp)

Analysis

Hierarchy

mail.seiko-itsolution.co.jp and www.seiko-itsolution.co.jp each fall under seiko-itsolution.co.jp as their parent domain.

Name Servers

seiko-itsolution.co.jp uses two name servers for its delegation: ins1.seiko-denki.ne.jp and ins2.seiko-denki.ne.jp.

seiko-itsolution.co.jp shares its NS records with other domains, for example seiko-denki.co.jp, eikensys.net, seiko-onsite.com and two others.

At least some of seiko-itsolution.co.jp's name servers are also used by other domains, among them seiko-denki.ne.jp.

The name servers genbu.seiko-denki.ne.jp, kirin.seiko-denki.ne.jp, shuzaku.seiko-denki.ne.jp and two others are commonly seen in use alongside these name servers.

ins1.seiko-denki.ne.jp resolves to 210.252.63.253. ins2.seiko-denki.ne.jp resolves to 118.103.55.253. Both host names point to a single IP number.

Mail Servers

The sole mail server for seiko-itsolution.co.jp is mail.seiko-itsolution.co.jp.

mail.seiko-itsolution.co.jp directs to just one IP number, 210.191.73.2.

seiko-itsolution.co.jp - robtex.com