`mx.workersdoctors.co.jp`

	DNSSEC	⚠️ Not signed
	A	153.122.206.114^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}

`workersdoctors.co.jp`

	DNSSEC	⚠️ Not signed
	A	133.110.250.58^{🇯🇵 IIJ-AS133.110.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
	A	133.130.60.24^{🇯🇵 GMO-INTERNET133.130.32.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	NS	`01.dnsv.jp` ⭐
	NS	`02.dnsv.jp`
	NS	`03.dnsv.jp`
	NS	`04.dnsv.jp`
	MX	`mx.workersdoctors.co.jp` ⭐
	SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1771306084

MX for

workersdoctors.co.jp

Same first word

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mx.design

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mx.msk.ru

mx.scrapping.cc

mx.tv

Similar names

xm.ae

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xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.la

DNS History

2 records (1 active, 1 former)

●A153.122.206.1142026-03-14 → 2026-06-25 · 3 obs

○ 2017-04-24 05:05:24
● 2026-03-14 11:17:44
● 2026-06-25 17:48:34

○A211.13.204.42017-04-24 → 2017-04-24 · 3 obs

● 2017-04-24 05:05:24
○ 2026-03-14 11:17:44
○ 2026-06-25 17:48:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, f.dns.jp...	-
workersdoctors.co.jp	03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.35.53

NS records: 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.206.114`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Mail Server Role

mx.workersdoctors.co.jp is a mail server for workersdoctors.co.jp.

IP Addresses

mx.workersdoctors.co.jp directs to one IP number, which is 153.122.206.114.

Among the host names that share IP numbers with mx.workersdoctors.co.jp are mx.nagase-label.com, mx.polycompo.co.jp, mx.kobunren.or.jp and two others.

mx.workersdoctors.co.jp - robtex.com