`mail.miduno.co.jp`

CNAME	`miduno.co.jp`
DNSSEC	⚠️ Not signed
A	202.181.99.32^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www312.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
TXT	`v=spf1 a:midunoya.sakura.ne.jp include:_spf.google.com ~all`
TXT	`worksmobile.certification.ud4iorh0pdpyrlqkjn.7iue32ufehcony.avqly862m`
TXT	`google-site-verification=XW5x1AFnZVz6eofec_B5tBdhiCMupcg1d4a6WrbtEio`
TXT	`apple-domain-verification=0j5mRRk41fECXtrK`
TXT	`v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0cN1DSK+C6gUhpWIm...`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-05-06 #2

`miduno.co.jp`

	DNSSEC	⚠️ Not signed
	A	202.181.99.32^{🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`smtp.google.com` ⭐
	TXT	`v=spf1 a:midunoya.sakura.ne.jp include:_spf.google.com ~all`
	TXT	`worksmobile.certification.ud4iorh0pdpyrlqkjn.7iue32ufehcony.avqly862m`
	TXT	`google-site-verification=XW5x1AFnZVz6eofec_B5tBdhiCMupcg1d4a6WrbtEio`
	TXT	`apple-domain-verification=0j5mRRk41fECXtrK`
	TXT	`v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0cN1DSK+C6gUhpWIm...`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-05-06 #2

Previously MX for

miduno.co.jp

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DNS History

2 records (1 active, 1 former)

○A116.197.170.662019-12-13 → 2019-12-13 · 3 obs

● 2019-12-13 15:31:06
○ 2026-08-03 04:32:30
○ 2026-08-03 04:32:32

●CNAMEmiduno.co.jp2026-08-03 → 2026-08-03 · 2 obs

● 2026-08-03 04:32:30
● 2026-08-03 04:32:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, c.dns.jp, g.dns.jp, h.dns.jp...	-
miduno.co.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`miduno.co.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

IP Addresses

mail.miduno.co.jp points to a single IP number: 202.181.99.32.

Additional host names — mikawanoyasou.org, lockmachine.net, bechonai.com and two others — share IP numbers with mail.miduno.co.jp.

Name Servers

Three name servers are authoritative for mail.miduno.co.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.miduno.co.jp has at least partial name server overlap with other domains, such as loc.to, yamamichi-clinic.com, oz-inc.jp and two others.

Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

mail.miduno.co.jp has one mail server: smtp.google.com.

mail.miduno.co.jp shares the same mail server setup as other domains, including hipsbc.ca, tm-technologies.com, the-ventilators.de and two others.

mail.miduno.co.jp shares mail servers — at least in part — with other domains, including freewaretips.info, theoffshore.org, socialskool.com and two others.

These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.

smtp.google.com points to 9 IP numbers: 64.233.180.27, 142.251.163.27, 173.194.45.26 and 6 other.

mail.miduno.co.jp - robtex.com

mail.miduno.co.jp

miduno.co.jp