blancvert.jp - robtex.com
blancvert.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.76🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw76.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 2023-07-21 #0 | ||||||
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.jproot@dns.jp serial=1771290902 | ||||||
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 01:52:48
● 2026-03-14 01:52:52
●NSkotetsu.alpha-lt.net2015-06-25 → 2026-03-14 · 2 obs
● 2026-03-14 01:52:52
●NStsukuba.aics.ne.jp2015-06-25 → 2026-03-14 · 2 obs
● 2026-03-14 01:52:52
●MXampub01.alpha-mail.net2015-06-25 → 2026-03-14 · 2 obs
● 2026-03-14 01:52:52
●MXampub02.alpha-mail.net2015-06-25 → 2026-03-14 · 2 obs
● 2026-03-14 01:52:52
●MXampub03.alpha-mail.net2015-06-25 → 2026-03-14 · 2 obs
● 2026-03-14 01:52:52
●MXampub04.alpha-mail.net2020-03-01 → 2026-03-14 · 3 obs
● 2020-03-01 18:02:38
● 2026-03-14 01:52:52
○A216.230.250.1852015-06-25 → 2020-03-01 · 4 obs
● 2020-03-01 18:02:38
○ 2026-03-14 01:52:48
○ 2026-03-14 01:52:52
●A216.230.253.762026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 01:52:48
● 2026-03-14 01:52:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, h.dns.jp, d.dns.jp, f.dns.jp... | - |
| blancvert.jp | kotetsu.alpha-lt.net, amdns03.alpha-mail.jp, tsukuba.aics.ne.jp | 1 record |
✅ Authoritative Response
Server: 157.205.252.7
NS records: kotetsu.alpha-lt.net, amdns03.alpha-mail.jp, tsukuba.aics.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blancvert.jp (unsigned zone)
⏱️ Timing
Total: 1556ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.76 |
| NS | 3 | tsukuba.aics.ne.jp, amdns03.alpha-mail.jp... |
| MX | 4 | ampub02.alpha-mail.net (pri: 10), ampub04.alpha-mail.net (pri: 50)... |
| 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
blancvert.jp resolves to one IP number: 216.230.253.76.
other host names including a-kawai.net, tobu-kotu-kanko.biz, arisumi.jp, taisei-e.com and www.ulc-sekkotsu.co.jp share IP numbers with blancvert.jp.
Name Servers
blancvert.jp is delegated to three name servers amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
blancvert.jp at least partially shares name servers with other domains, for instance a-x.co.jp, sample04.jp, iandu.jp, n-epo.com and douroshisetsu.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 blancvert.jp: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
blancvert.jp shares some mail servers with other domains, at least partially, for instance nasc.jp, sukai.co.jp, ex-form.jp, fresh-home.jp and osca.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.