ad-k.jp - robtex.com
ad-k.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.87🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 2023-07-23 #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=1784391303 | ||||||
Same first word
Similar names
a-dk.ru |
k-da.co.kr |
kd-a.com |
a-kd.com |
a-kd.net |
a-dk.de |
da-k.ru |
k-da.ru |
dk-a.com |
da-k.store |
k-da.org |
dk-a.co.uk |
ak-d.com.au |
a-dk.com |
d-ak.com |
da-k.de |
d-ka.de |
k-ad.com |
kd-a.at |
da-k.net |
ak-d.ru |
dk-a.dk |
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-05-15 → 2026-07-18 · 3 obs
● 2026-05-15 02:39:48
● 2026-07-18 16:29:36
●NSkotetsu.alpha-lt.net2015-08-16 → 2026-07-18 · 2 obs
● 2026-07-18 16:29:36
●NStsukuba.aics.ne.jp2015-08-16 → 2026-07-18 · 2 obs
● 2026-07-18 16:29:36
●MXampub01.alpha-mail.net2015-08-16 → 2026-07-18 · 2 obs
● 2026-07-18 16:29:36
●MXampub02.alpha-mail.net2015-08-16 → 2026-07-18 · 2 obs
● 2026-07-18 16:29:36
●MXampub03.alpha-mail.net2015-08-16 → 2026-07-18 · 2 obs
● 2026-07-18 16:29:36
●MXampub04.alpha-mail.net2026-05-15 → 2026-07-18 · 3 obs
● 2026-05-15 02:39:48
● 2026-07-18 16:29:36
○A216.230.251.912015-08-16 → 2017-01-22 · 4 obs
● 2017-01-22 16:17:32
○ 2026-05-15 02:39:48
○ 2026-07-18 16:29:36
●A216.230.253.872026-05-15 → 2026-07-18 · 3 obs
● 2026-05-15 02:39:48
● 2026-07-18 16:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, a.dns.jp, h.dns.jp, g.dns.jp... | - |
| ad-k.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 ad-k.jp (unsigned zone)
⏱️ Timing
Total: 1521ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.87 |
| NS | 3 | tsukuba.aics.ne.jp, kotetsu.alpha-lt.net... |
| MX | 4 | ampub01.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 |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)
Analysis
IP Addresses
ad-k.jp resolves to just one IP address, 216.230.253.87.
Two other host names, along with eshiyo.com, www.sunpower-web.co.jp and webltw87.alpha-mail.jp, also share IP numbers with ad-k.jp.
Name Servers
ad-k.jp is served by three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
ad-k.jp has at least partial name server overlap with other domains, such as tsuyoshi.co.jp, next-is.com, measure-jp.com and two others.
amdns03.alpha-mail.jp has IP address 216.230.254.112, kotetsu.alpha-lt.net has IP address 157.205.252.6 and tsukuba.aics.ne.jp has IP address 157.205.252.7 — one address each.
Mail Servers
ad-k.jp has four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
There is at least a partial MX overlap between ad-k.jp and other domains, including hashiman.com, b-tax.jp, alpha-link.co.jp and two others.
The hosts ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net all resolve to exactly one IP address each: 216.230.254.1, 216.230.254.2, 216.230.254.3 and 216.230.254.4 respectively.