matsukb.com - robtex.com
matsukb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.73🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw73.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.netpostmaster@alpha-web.ne.jp 2023-08-08 #0 | ||||||
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.netnstld@verisign-grs.com serial=1774876632 | ||||||
Same first word
matsukb.com |
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-03-30 · 3 obs
● 2026-02-25 10:19:06
● 2026-03-30 13:46:26
●NSkotetsu.alpha-lt.net2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
●NStsukuba.aics.ne.jp2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
●MXampub01.alpha-mail.net2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
●MXampub02.alpha-mail.net2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
●MXampub03.alpha-mail.net2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
●MXampub04.alpha-mail.net2018-10-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:46:26
○A216.230.250.1822018-10-26 → 2018-10-26 · 3 obs
○ 2026-02-25 10:19:06
○ 2026-03-30 13:46:26
●A216.230.253.732026-02-25 → 2026-03-30 · 3 obs
● 2026-02-25 10:19:06
● 2026-03-30 13:46:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net... | - |
| matsukb.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 matsukb.com (unsigned zone)
⏱️ Timing
Total: 912ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.73 |
| NS | 3 | tsukuba.aics.ne.jp, kotetsu.alpha-lt.net... |
| 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
matsukb.com resolves to one IP number: 216.230.253.73.
Other host names, for instance kobe-m-vo.com, mtecno.com, eokaki.com, oosone.co.jp and nabezo.com share IP numbers with matsukb.com.
Name Servers
matsukb.com is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
matsukb.com at least partially shares name servers with other domains, including saiwa.jp, 1kan.jp, goma-dango.com, npsw.co.jp and ovk.jp.
Host names with a single IP:
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
matsukb.com is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
matsukb.com shares at least some mail servers with other domains, for example d-group.jp, sonitech.jp, big-mountain.jp, sougousetsubi.com and tometoko.co.jp.
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.