jikyo.jp - robtex.com
jikyo.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.78🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw78.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 2023-08-02 #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=1773558003 | ||||||
Same first word
Similar names
jykio.com |
yojik.eu |
kyoji.jp |
yikjo.cn |
yojik.com |
yojik.net |
jkioy.fi |
yiokj.com |
kyoji.co.jp |
joyki.net |
joiky.com |
jkioy.com |
joyik.com |
DNS History
10 records (8 active, 2 former)
●NSamdns03.alpha-mail.jp2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:45:36
● 2026-03-22 18:45:38
●NSkotetsu.alpha-lt.net2015-06-24 → 2026-03-22 · 2 obs
● 2026-03-22 18:45:38
●NStsukuba.aics.ne.jp2015-06-24 → 2026-03-22 · 2 obs
● 2026-03-22 18:45:38
●MXampub01.alpha-mail.net2015-06-24 → 2026-03-22 · 2 obs
● 2026-03-22 18:45:38
●MXampub02.alpha-mail.net2015-06-24 → 2026-03-22 · 2 obs
● 2026-03-22 18:45:38
●MXampub03.alpha-mail.net2015-06-24 → 2026-03-22 · 2 obs
● 2026-03-22 18:45:38
●MXampub04.alpha-mail.net2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:45:36
● 2026-03-22 18:45:38
○A216.230.250.1672018-09-25 → 2018-09-25 · 4 obs
● 2018-09-25 16:42:00
○ 2026-03-22 18:45:36
○ 2026-03-22 18:45:38
○A216.230.251.942015-06-24 → 2017-01-15 · 4 obs
● 2017-01-15 05:05:24
○ 2018-09-25 16:42:00
○ 2026-03-22 18:45:38
●A216.230.253.782026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:45:36
● 2026-03-22 18:45:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, a.dns.jp, h.dns.jp, b.dns.jp... | - |
| jikyo.jp | kotetsu.alpha-lt.net, amdns03.alpha-mail.jp, tsukuba.aics.ne.jp | 1 record |
✅ Authoritative Response
Server: 157.205.252.6
NS records: kotetsu.alpha-lt.net, amdns03.alpha-mail.jp, tsukuba.aics.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jikyo.jp (unsigned zone)
⏱️ Timing
Total: 1431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.78 |
| NS | 3 | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net... |
| 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
jikyo.jp points to a single IP number: 216.230.253.78.
other host names for instance www.ohkumakoumuten.co.jp, dr-hiranaka.com, nk3.jp, nagomi-naika.com and nihon-atuken.co.jp share IP numbers with jikyo.jp.
Name Servers
jikyo.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
jikyo.jp at least partially shares name servers with other domains, for instance pole-s.co.jp, topland.jp, netdream.jp, hira.co.jp and seibi-t.co.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 jikyo.jp: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
jikyo.jp shares mail servers with other domains at least partially, including bigchance-net.com, d-dish.co.jp, masaladosa.jp, a-hop.com and cadic.net.
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