plexsys.jp - dns.ninja
plexsys.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.jule.co.jp ⭐ | ||||||
| A | 2001:a511:c01b:0:ca60:ff:fe9f:1b25🇯🇵 GGNET2000::/12 | ||||||
| A | 122.215.127.122🇯🇵 UCOM122.212.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| PTR | 122x215x127x122.ap122.ftth.ucom.ne.jp | ||||||
| NS | ns3.maihama-net.com ⚠️ Not in parent delegation | ||||||
| A | 153.120.38.37🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ns3.maihama-net.com | ||||||
| MX | mail.plexsys.jp ⭐ | ||||||
| A | 122.215.127.122🇯🇵 UCOM122.212.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| PTR | 122x215x127x122.ap122.ftth.ucom.ne.jp | ||||||
| SOA | ns.jule.co.jpcabin@jule.co.jp 2025-09-21 #7 | ||||||
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=1781968503 | ||||||
Subdomains
mail.plexsys.jp |
Same first word
Similar names
sysplex.de |
xpelsys.com |
(0x736578)ypls.blogspot.com |
sysplex.hu |
sysplex.com |
sysplex.eu |
(0x736578)yslp.com |
sysplex.org |
sysplex.be |
DNS History
4 records (3 active, 1 former)
●NSns.jule.co.jp2015-08-09 → 2026-06-20 · 2 obs
● 2026-06-20 15:47:22
●NSns3.maihama-net.com2015-10-15 → 2026-06-20 · 3 obs
● 2015-10-15 11:17:58
● 2026-06-20 15:47:22
○MXmail.jule.co.jp2015-08-09 → 2017-10-03 · 4 obs
● 2017-10-03 12:33:54
○ 2026-02-18 02:28:48
○ 2026-06-20 15:47:22
●MXmail.plexsys.jp2026-02-18 → 2026-06-20 · 3 obs
● 2026-02-18 02:28:48
● 2026-06-20 15:47:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, d.dns.jp, g.dns.jp, a.dns.jp... | - |
| plexsys.jp | ns.jule.co.jp | 1 record |
✅ Authoritative Response
Server:122.215.127.122
NS records: ns.jule.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plexsys.jp (unsigned zone)
⏱️ Timing
Total: 909ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.jule.co.jp, ns3.maihama-net.com |
| MX | 1 | mail.plexsys.jp (pri: 20) |
| SOA | 1 | ns.jule.co.jp cabin.jule.co.jp |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.jule.co.jp)
Analysis
Hierarchy
mail.plexsys.jp is delegated beneath plexsys.jp.
Name Servers
The NS records for plexsys.jp delegate to ns3.maihama-net.com and ns.jule.co.jp.
plexsys.jp uses the same name servers as other domains, for example mori-coffee.com and jule.co.jp.
There is at least partial name server overlap between plexsys.jp and other domains — takada-kobo.com, chuo-aircon.co.jp, rankch.com and two more among them.
These name servers regularly appear alongside ns1.maihama-net.com, ns2.maihama-net.com, 2nd.dnsv.jp and 5 other name servers in NS record sets.
Host names with two IP numbers:
The A records for ns.jule.co.jp return 122.215.127.122 and 2001:a511:c01b:0:ca60:ff:fe9f:1b25.
Host names pointing to a single IP address:
ns3.maihama-net.com resolves to the IP address 153.120.38.37.
Mail Servers
plexsys.jp has one mail server: mail.plexsys.jp.
mail.plexsys.jp resolves to 122.215.127.122 and no other IP number.