nikko-c.jp - robtex.com
nikko-c.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.75🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw75.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 | ||||||
| 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 | ||||||
| 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 2023-08-10 #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=1784397603 | ||||||
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-17 → 2026-07-18 · 3 obs
● 2026-02-17 21:29:42
● 2026-07-18 18:46:56
●NSkotetsu.alpha-lt.net2015-06-09 → 2026-07-18 · 2 obs
● 2026-07-18 18:46:56
●NStsukuba.aics.ne.jp2015-06-09 → 2026-07-18 · 2 obs
● 2026-07-18 18:46:56
●MXampub01.alpha-mail.net2015-06-09 → 2026-07-18 · 2 obs
● 2026-07-18 18:46:56
●MXampub02.alpha-mail.net2015-06-09 → 2026-07-18 · 2 obs
● 2026-07-18 18:46:56
●MXampub03.alpha-mail.net2015-06-09 → 2026-07-18 · 2 obs
● 2026-07-18 18:46:56
●MXampub04.alpha-mail.net2026-02-17 → 2026-07-18 · 3 obs
● 2026-02-17 21:29:42
● 2026-07-18 18:46:56
○A216.230.250.1552015-06-09 → 2016-09-10 · 4 obs
● 2016-09-10 04:42:52
○ 2026-02-17 21:29:42
○ 2026-07-18 18:46:56
●A216.230.253.752026-02-17 → 2026-07-18 · 3 obs
● 2026-02-17 21:29:42
● 2026-07-18 18:46:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, f.dns.jp, a.dns.jp, c.dns.jp... | - |
| nikko-c.jp | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp | 1 record |
✅ Authoritative Response
Server:157.205.252.7
NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nikko-c.jp (unsigned zone)
⏱️ Timing
Total: 2177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.75 |
| NS | 3 | amdns03.alpha-mail.jp, tsukuba.aics.ne.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
nikko-c.jp points to a single IP number: 216.230.253.75.
Additional host names — ssdt.jp, luckybylucky.co.jp, yat-str.co.jp and two others — share IP numbers with nikko-c.jp.
Name Servers
The authoritative name servers for nikko-c.jp are amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp — three in total.
The name servers of nikko-c.jp overlap at least partially with those of other domains — among them mrp.co.jp, frpa.info, hibeck.com 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 nikko-c.jp are ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
nikko-c.jp shares mail servers — at least in part — with other domains, including spajoy.com, at-uosei.co.jp, mansionk.com and two others.
ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net each resolve to one IP address: ampub01.alpha-mail.net resolves to 216.230.254.1, ampub02.alpha-mail.net resolves to 216.230.254.2, ampub03.alpha-mail.net resolves to 216.230.254.3 and ampub04.alpha-mail.net resolves to 216.230.254.4.