`topconsulting.jp`

DNSSEC	⚠️ Not signed
A	216.230.253.87^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
		PTR	`webltw87.alpha-mail.jp`
NS	`kotetsu.alpha-lt.net` ⭐
		A	157.205.252.6^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`amdns01.alpha-mail.jp`
NS	`amdns03.alpha-mail.jp`
		A	216.230.254.112^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`amdns03.alpha-mail.jp`
NS	`tsukuba.aics.ne.jp`
		A	157.205.252.7^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`amdns02.alpha-mail.jp`
MX	`ampub01.alpha-mail.net` ⭐
		A	216.230.254.1^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub01.alpha-mail.net`
MX	`ampub02.alpha-mail.net` ⭐
		A	216.230.254.2^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub02.alpha-mail.net`
MX	`ampub03.alpha-mail.net` ⭐
		A	216.230.254.3^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
MX	`ampub04.alpha-mail.net`⁽⁵⁰⁾
		A	216.230.254.4^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub04.alpha-mail.net`
TXT	`v=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...`
SOA	`kotetsu.alpha-lt.net`postmaster@alpha-web.ne.jp 2023-08-07 #8

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1784705402

Same first word

topconsulting.jp

topconsulting.com.au

Similar names

ptoconsulting.com

DNS History

9 records (8 active, 1 former)

●NSamdns03.alpha-mail.jp2026-02-25 → 2026-07-22 · 3 obs

○ 2015-06-26 19:26:36
● 2026-02-25 22:35:28
● 2026-07-22 08:10:32

●NSkotetsu.alpha-lt.net2015-06-26 → 2026-07-22 · 2 obs

● 2015-06-26 19:26:36
● 2026-07-22 08:10:32

●NStsukuba.aics.ne.jp2015-06-26 → 2026-07-22 · 2 obs

● 2015-06-26 19:26:36
● 2026-07-22 08:10:32

●MXampub01.alpha-mail.net2015-06-26 → 2026-07-22 · 2 obs

● 2015-06-26 19:26:36
● 2026-07-22 08:10:32

●MXampub02.alpha-mail.net2015-06-26 → 2026-07-22 · 2 obs

● 2015-06-26 19:26:36
● 2026-07-22 08:10:32

●MXampub03.alpha-mail.net2015-06-26 → 2026-07-22 · 2 obs

● 2015-06-26 19:26:36
● 2026-07-22 08:10:32

●MXampub04.alpha-mail.net2020-03-14 → 2026-07-22 · 3 obs

○ 2015-06-26 19:26:36
● 2020-03-14 18:27:52
● 2026-07-22 08:10:32

○A216.230.250.1532015-06-26 → 2020-03-14 · 4 obs

● 2015-06-26 19:26:36
● 2020-03-14 18:27:52
○ 2026-02-25 22:35:28
○ 2026-07-22 08:10:32

●A216.230.253.872026-02-25 → 2026-07-22 · 3 obs

○ 2020-03-14 18:27:52
● 2026-02-25 22:35:28
● 2026-07-22 08:10:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
topconsulting.jp	amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp	1 record

✅ Authoritative Response

Server:216.230.254.112

NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topconsulting.jp (unsigned zone)

⏱️ Timing

Total: 1383ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.230.253.87`
NS	3	`amdns03.alpha-mail.jp, tsukuba.aics.ne.jp...`
MX	4	`ampub04.alpha-mail.net (pri: 50), ampub03.alpha-mail.net (pri: 10)...`
TXT	1	`v=spf1 ip4:157.205.202.0/24 ip4:157.205.`
SOA	1	`kotetsu.alpha-lt.net postmaster.alpha-we`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)

Analysis

IP Addresses

topconsulting.jp points to a single IP number: 216.230.253.87.

Additional host names — f-sekkei.com, sho-yu.jp, zeno-n.com and two others — share IP numbers with topconsulting.jp.

Name Servers

topconsulting.jp carries NS records delegating to amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

There is at least partial name server overlap between topconsulting.jp and other domains — e-mook.jp, keathfairing.com, ozawa-kucho.co.jp and two more among them.

amdns03.alpha-mail.jp points to 216.230.254.112; kotetsu.alpha-lt.net points to 157.205.252.6; tsukuba.aics.ne.jp points to 157.205.252.7 — each hostname maps to exactly one IP address.

Mail Servers

The four mail servers for topconsulting.jp are ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

topconsulting.jp shares mail servers — at least in part — with other domains, including t-sec.co.jp, tds-1.com, asahi-camera.jp and two others.

ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net each resolve to one IP address: ampub01.alpha-mail.net resolves to 216.230.254.1, ampub02.alpha-mail.net resolves to 216.230.254.2, ampub03.alpha-mail.net resolves to 216.230.254.3 and ampub04.alpha-mail.net resolves to 216.230.254.4.

topconsulting.jp - robtex.com