`mail.webpost.jp`

DNSSEC	⚠️ Not signed
A	133.125.42.120^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`vs2.sohoserver.jp`

`webpost.jp`

	DNSSEC	⚠️ Not signed
	A	133.125.42.120^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
	NS	`vs3.sohoserver.jp` ⭐
	NS	`ns1.sohoserver.jp`
	NS	`vs2.sohoserver.jp`
	MX	`mail.webpost.jp` ⭐
	TXT	`v=spf1 ip4:133.125.42.120 include:vs2.sohoserver.jp ~all`
	SOA	`vs3.sohoserver.jp`postmaster@webpost.jp 2026-04-06 #1

MX for

webpost.jp

Same first word

mail.ne.kr

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mail.hacca.jp

mail.moo.jp

mail.new

mail.teva

mail.gov.al

mail.kapsi.fi

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mail.go.th

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mail.as

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DNS History

3 records (1 active, 2 former)

●A133.125.42.1202026-03-09 → 2026-04-13 · 3 obs

○ 2017-08-25 20:20:48
● 2026-03-09 14:00:00
● 2026-04-13 16:59:52

○A153.127.76.412016-12-22 → 2017-08-25 · 5 obs

○ 2016-08-28 11:51:08
● 2016-12-22 08:58:04
● 2017-08-25 20:20:48
○ 2026-03-09 14:00:00
○ 2026-04-13 16:59:52

○A61.206.38.92015-05-06 → 2016-08-28 · 4 obs

● 2015-05-06 05:14:36
● 2016-08-28 11:51:08
○ 2016-12-22 08:58:04
○ 2026-04-13 16:59:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
webpost.jp	ns1.sohoserver.jp, vs2.sohoserver.jp	2 records

✅ Authoritative Response

Server:49.212.153.134

NS records: ns1.sohoserver.jp, vs2.sohoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webpost.jp (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.125.42.120`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.sohoserver.jp, vs2.sohoserver.jp)

Analysis

Mail Server Role

mail.webpost.jp is the mail server for webpost.jp.

IP Addresses

mail.webpost.jp points to a single IP number: 133.125.42.120.

other host names for instance mail.genkikan.jp, nukigata.net, mail.honmoroko.jp, mail.rwx.jp and rwx.jp share IP numbers with mail.webpost.jp.

mail.webpost.jp - robtex.com

mail.webpost.jp

webpost.jp