ddsk.co.jp - robtex.com
ddsk.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.94.174🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv16033.xserver.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 | ||||||
| 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 | ||||||
| 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 2024-06-29 #20 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-06-26 → 2026-07-20 · 3 obs
● 2026-06-26 15:20:18
● 2026-07-20 02:17:28
●NSkotetsu.alpha-lt.net2017-10-08 → 2026-07-20 · 2 obs
● 2026-07-20 02:17:28
●NStsukuba.aics.ne.jp2017-10-08 → 2026-07-20 · 2 obs
● 2026-07-20 02:17:28
●MXampub01.alpha-mail.net2017-10-08 → 2026-07-20 · 2 obs
● 2026-07-20 02:17:28
●MXampub02.alpha-mail.net2017-10-08 → 2026-07-20 · 2 obs
● 2026-07-20 02:17:28
●MXampub03.alpha-mail.net2017-10-08 → 2026-07-20 · 2 obs
● 2026-07-20 02:17:28
●MXampub04.alpha-mail.net2026-06-26 → 2026-07-20 · 3 obs
● 2026-06-26 15:20:18
● 2026-07-20 02:17:28
●A162.43.94.1742026-06-26 → 2026-07-20 · 3 obs
● 2026-06-26 15:20:18
● 2026-07-20 02:17:28
○A216.230.250.842017-10-08 → 2017-10-08 · 3 obs
○ 2026-06-26 15:20:18
○ 2026-07-20 02:17:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, f.dns.jp, e.dns.jp, b.dns.jp... | - |
| ddsk.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 ddsk.co.jp (unsigned zone)
⏱️ Timing
Total: 1427ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.94.174 |
| NS | 3 | kotetsu.alpha-lt.net, amdns03.alpha-mail.jp... |
| MX | 4 | ampub04.alpha-mail.net (pri: 50), ampub01.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
ddsk.co.jp resolves to one IP address: 162.43.94.174.
poppothecat.com, busicomaudit.com, kyotou-bluegrass.com and two other host names share IP numbers with ddsk.co.jp.
Name Servers
The authoritative name servers for ddsk.co.jp are amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp — three in total.
The name servers of ddsk.co.jp overlap at least partially with those of other domains — among them livingearth.co.jp, sunglobe.co.jp, fiber-tokyorope.jp and two more.
The hostnames amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp each resolve to a single IP: amdns03.alpha-mail.jp → 216.230.254.112, kotetsu.alpha-lt.net → 157.205.252.6, tsukuba.aics.ne.jp → 157.205.252.7.
Mail Servers
The four mail servers for ddsk.co.jp are ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
ddsk.co.jp has at least partial mail server overlap with other domains such as piq.co.jp, yamada-setsubi.co.jp, dyk.jp 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.