asvpwork.co.jp - robtex.com
asvpwork.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.71🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw71.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 2023-07-24 #0 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
www.asvpwork.co.jp |
Same first word
asvpwork.co.jp |
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-16 → 2026-05-13 · 3 obs
● 2026-02-16 04:55:00
● 2026-05-13 15:07:44
●NSkotetsu.alpha-lt.net2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
●NStsukuba.aics.ne.jp2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
●MXampub01.alpha-mail.net2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
●MXampub02.alpha-mail.net2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
●MXampub03.alpha-mail.net2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
●MXampub04.alpha-mail.net2019-12-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:07:44
○A216.230.250.1882019-12-13 → 2019-12-13 · 3 obs
○ 2026-02-16 04:55:00
○ 2026-05-13 15:07:44
●A216.230.253.712026-02-16 → 2026-05-13 · 3 obs
● 2026-02-16 04:55:00
● 2026-05-13 15:07:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| asvpwork.co.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 asvpwork.co.jp (unsigned zone)
⏱️ Timing
Total: 1853ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.71 |
| NS | 3 | tsukuba.aics.ne.jp, kotetsu.alpha-lt.net... |
| 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
Hierarchy
www.asvpwork.co.jp is a child of asvpwork.co.jp.
IP Addresses
asvpwork.co.jp resolves to one IP number: 216.230.253.71.
Other host names, for instance tosca-net.com, www.shimada-elec.co.jp, tsuji-naika.com, star-tech.co.jp and do-well.co.jp share IP numbers with asvpwork.co.jp.
Name Servers
asvpwork.co.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
asvpwork.co.jp at least partially shares name servers with other domains, including y-d.jp, nikkuei.com, sseo.co.jp, shinnittsu.co.jp and ss-tech.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
asvpwork.co.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
asvpwork.co.jp shares at least some mail servers with other domains, for example nanaopc.net, aoym.co.jp, yamacho-ltd.co.jp, argocs.com and space-c.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.