k-unity.co.jp - robtex.com
k-unity.co.jp
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| 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.netpostmaster@alpha-web.ne.jp 2023-08-02 #0 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-08-14 · 3 obs
● 2026-02-25 10:19:08
● 2026-08-14 14:02:56
●NSkotetsu.alpha-lt.net2016-03-15 → 2026-08-14 · 3 obs
● 2016-03-15 20:26:54
● 2026-08-14 14:02:56
○NSns1.canonet.ne.jp2015-08-02 → 2015-11-28 · 4 obs
● 2015-11-28 00:49:12
○ 2016-03-15 20:26:54
○ 2026-08-14 14:02:56
○NSns2.canonet.ne.jp2015-08-02 → 2015-11-28 · 4 obs
● 2015-11-28 00:49:12
○ 2016-03-15 20:26:54
○ 2026-08-14 14:02:56
●NStsukuba.aics.ne.jp2016-03-15 → 2026-08-14 · 3 obs
● 2016-03-15 20:26:54
● 2026-08-14 14:02:56
●MXampub01.alpha-mail.net2016-03-15 → 2026-08-14 · 3 obs
● 2016-03-15 20:26:54
● 2026-08-14 14:02:56
●MXampub02.alpha-mail.net2016-03-15 → 2026-08-14 · 3 obs
● 2016-03-15 20:26:54
● 2026-08-14 14:02:56
●MXampub03.alpha-mail.net2016-03-15 → 2026-08-14 · 3 obs
● 2016-03-15 20:26:54
● 2026-08-14 14:02:56
●MXampub04.alpha-mail.net2026-02-25 → 2026-08-14 · 3 obs
● 2026-02-25 10:19:08
● 2026-08-14 14:02:56
○MXmx.k-unity.co.jp2015-08-02 → 2015-11-28 · 4 obs
● 2015-11-28 00:49:12
○ 2016-03-15 20:26:54
○ 2026-08-14 14:02:56
○A202.228.190.2292015-08-02 → 2015-08-02 · 3 obs
○ 2015-11-28 00:49:12
○ 2026-08-14 14:02:56
○A216.230.250.1882016-03-15 → 2017-05-22 · 5 obs
● 2016-03-15 20:26:54
● 2017-05-22 08:19:40
○ 2026-02-25 10:19:08
○ 2026-08-14 14:02:56
●A216.230.253.732026-02-25 → 2026-08-14 · 3 obs
● 2026-02-25 10:19:08
● 2026-08-14 14:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| k-unity.co.jp | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp | 1 record |
✅ Authoritative Response
Server:157.205.252.6
NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-unity.co.jp (unsigned zone)
⏱️ Timing
Total: 1529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.73 |
| NS | 3 | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net... |
| MX | 4 | ampub01.alpha-mail.net (pri: 10), 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
k-unity.co.jp resolves to one IP address: 216.230.253.73.
keathfairing.com, egpr.jp, k-seibi.com and two other host names share IP numbers with k-unity.co.jp.
Name Servers
DNS for k-unity.co.jp is handled by three authoritative name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
k-unity.co.jp partially shares its NS delegation with several other domains, including premiereltd.co.jp, n-tep.co.jp, toa-bousai.co.jp and two others.
amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp all have one IP address each — amdns03.alpha-mail.jp directs to 216.230.254.112, kotetsu.alpha-lt.net directs to 157.205.252.6 and tsukuba.aics.ne.jp directs to 157.205.252.7.
Mail Servers
k-unity.co.jp has four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
k-unity.co.jp has at least partial mail server overlap with other domains such as sugitadenki.co.jp, kyoueiseisaku.co.jp, pda-arch.com and two more.
Each of the four hosts ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net points to a single IP address — 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 and ampub04.alpha-mail.net points to 216.230.254.4.