`oshimaclinic.com`

DNSSEC	⚠️ Not signed
A	216.230.253.78^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
		PTR	`webltw78.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}
			PTR	`ampub03.alpha-mail.net`
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 2023-10-15 #20

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774564232

Same first word

oshimaclinic.com

DNS History

9 records (8 active, 1 former)

●NSamdns03.alpha-mail.jp2026-02-15 → 2026-03-26 · 3 obs

○ 2015-08-13 22:10:24
● 2026-02-15 20:18:44
● 2026-03-26 22:56:02

●NSkotetsu.alpha-lt.net2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:10:24
● 2026-03-26 22:56:02

●NStsukuba.aics.ne.jp2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:10:24
● 2026-03-26 22:56:02

●MXampub01.alpha-mail.net2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:10:24
● 2026-03-26 22:56:02

●MXampub02.alpha-mail.net2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:10:24
● 2026-03-26 22:56:02

●MXampub03.alpha-mail.net2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:10:24
● 2026-03-26 22:56:02

●MXampub04.alpha-mail.net2026-02-15 → 2026-03-26 · 3 obs

○ 2015-08-13 22:10:24
● 2026-02-15 20:18:44
● 2026-03-26 22:56:02

○A216.230.250.1842015-08-13 → 2017-07-04 · 4 obs

● 2015-08-13 22:10:24
● 2017-07-04 06:30:42
○ 2026-02-15 20:18:44
○ 2026-03-26 22:56:02

●A216.230.253.782026-02-15 → 2026-03-26 · 3 obs

○ 2017-07-04 06:30:42
● 2026-02-15 20:18:44
● 2026-03-26 22:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
oshimaclinic.com	kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp	-

✅ Authoritative Response

Server:216.230.254.112

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oshimaclinic.com (unsigned zone)

⏱️ Timing

Total: 1294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.230.253.78`
NS	3	`amdns03.alpha-mail.jp, tsukuba.aics.ne.jp...`
MX	4	`ampub03.alpha-mail.net (pri: 10), ampub02.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`

Analysis

IP Addresses

oshimaclinic.com resolves to one IP number: 216.230.253.78.

other host names including k-maruzen.com, www.jishin-itsumo.com, k-yuransen.com, miyaura-mfg.co.jp and nagayama-seikei.com share IP numbers with oshimaclinic.com.

Name Servers

oshimaclinic.com is delegated to three name servers amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

oshimaclinic.com at least partially shares name servers with other domains, for instance shin-inter.com, sanitex.co.jp, tosca-net.com, alpha-gp.jp and san-ei-ltd.co.jp.

Host names with one IP number: 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.

Mail Servers

Four mail servers handle oshimaclinic.com: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

oshimaclinic.com shares some mail servers with other domains, at least partially, for instance koyu-k.co.jp, shunjusha.co.jp, tati-bousai.com, gpdesign.co.jp and koudensha.com.

Host names with one IP number: ampub01.alpha-mail.net points to 216.230.254.1; ampub02.alpha-mail.net points to 216.230.254.2; ampub03.alpha-mail.net points to 216.230.254.3; ampub04.alpha-mail.net points to 216.230.254.4.

oshimaclinic.com - robtex.com