`chuetsu.co.jp`

DNSSEC	⚠️ Not signed
A	60.43.141.169^{🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
		PTR	`chuetsu.co.jp`
NS	`mwns1.customer.ne.jp` ⭐
		A	210.150.23.210^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
NS	`mwns2.customer.ne.jp`
		A	202.17.152.183^{🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE}
MX	`chuetsu.co.jp` ⭐
		A	60.43.141.169^{🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`chuetsu.co.jp`
TXT	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	`mwns1.customer.ne.jp`host-plan-ac@ntt.com serial=1633023520

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

MX for

chuetsu.co.jp

Same first word

chuetsu.biz

chuetsu.co.jp

chuetsu.net

Similar names

techusu.com

tuuches.com

suutech.com

stecuhu.solutions

DNS History

6 records (4 active, 2 former)

●NSmwns1.customer.ne.jp2026-05-14 → 2026-05-14 · 2 obs

○ 2018-05-09 03:08:50
● 2026-05-14 03:14:36

●NSmwns2.customer.ne.jp2026-05-14 → 2026-05-14 · 2 obs

○ 2018-05-09 03:08:50
● 2026-05-14 03:14:36

○NSns.fipidc.ne.jp2015-06-18 → 2018-05-09 · 3 obs

● 2015-06-18 11:20:00
● 2018-05-09 03:08:50
○ 2026-05-14 03:14:36

○NSns2.fipidc.ne.jp2015-06-18 → 2018-05-09 · 3 obs

● 2015-06-18 11:20:00
● 2018-05-09 03:08:50
○ 2026-05-14 03:14:36

●MXchuetsu.co.jp2026-05-14 → 2026-05-14 · 1 obs

● 2026-05-14 03:14:36

●A60.43.141.1692026-05-14 → 2026-05-14 · 1 obs

● 2026-05-14 03:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
chuetsu.co.jp	mwns1.customer.ne.jp, mwns2.customer.ne.jp	-

✅ Authoritative Response

Server:210.150.23.210

NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chuetsu.co.jp (unsigned zone)

⏱️ Timing

Total: 1924ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.43.141.169`
NS	2	`mwns2.customer.ne.jp, mwns1.customer.ne.jp`
MX	1	`chuetsu.co.jp (pri: 10)`
TXT	1	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	1	`mwns1.customer.ne.jp host-plan-ac.ntt.co`

Analysis

Mail Server Role

chuetsu.co.jp serves as a mail server for chuetsu.co.jp.

IP Addresses

chuetsu.co.jp points to a single IP: 60.43.141.169.

Name Servers

Two name servers mwns1.customer.ne.jp and mwns2.customer.ne.jp handle delegation for chuetsu.co.jp.

chuetsu.co.jp uses the same name server setup as other domains, for example tokyopio.co.jp, unyten.co.jp, osakisuisan.com, accomplish.co.jp and emb-tech.co.jp.

Host names with one IP number: The host name mwns1.customer.ne.jp points to 210.150.23.210 and the host name mwns2.customer.ne.jp points to 202.17.152.183.

Mail Servers

chuetsu.co.jp is handled by a single mail server, chuetsu.co.jp.