o-tech.jp - robtex.com
o-tech.jp
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=1774582203 | ||||||
MX for
o-tech.jp |
Same first word
o-tech.org |
o-tech.com.au |
o-tech.com.cn |
o-tech.dk |
o-tech.net |
o-tech.us |
o-tech.com |
o-tech.eu |
o-tech.ro |
o-tech.nl |
o-tech.at |
o-tech.de |
o-tech.jp |
o-tech.be |
o-tech.com.ua |
o-tech.cc |
Similar names
DNS History
10 records (7 active, 3 former)
○NSns1.value-domain.com2015-08-13 → 2017-01-26 · 4 obs
● 2017-01-26 16:05:30
○ 2026-03-25 03:43:36
○ 2026-03-27 04:09:16
●NSns1.xserver.jp2026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
○NSns2.value-domain.com2015-08-13 → 2017-01-26 · 4 obs
● 2017-01-26 16:05:30
○ 2026-03-25 03:43:36
○ 2026-03-27 04:09:16
●NSns2.xserver.jp2026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
●NSns3.xserver.jp2026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
●NSns4.xserver.jp2026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
●NSns5.xserver.jp2026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
●MXo-tech.jp2015-08-13 → 2026-03-27 · 2 obs
● 2026-03-27 04:09:16
●A162.43.101.1522026-03-25 → 2026-03-27 · 3 obs
● 2026-03-25 03:43:36
● 2026-03-27 04:09:16
○A202.172.28.1302015-08-13 → 2017-01-26 · 4 obs
● 2017-01-26 16:05:30
○ 2026-03-25 03:43:36
○ 2026-03-27 04:09:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| o-tech.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:157.112.182.218
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o-tech.jp (unsigned zone)
⏱️ Timing
Total: 1002ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.101.152 |
| NS | 5 | ns4.xserver.jp, ns1.xserver.jp... |
| MX | 1 | o-tech.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14951.xserver.jp +a:o-tech.j |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
o-tech.jp serves as the mail server for o-tech.jp.
IP Addresses
o-tech.jp points to IP number: 162.43.101.152.
Other host names such as handakogyosyo.co.jp, luft.co.jp, ery84.com, yuka222.com and blog.luft.co.jp share IPs with o-tech.jp.
Name Servers
o-tech.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
o-tech.jp at least partially shares name servers with other domains, for instance akionakagawa.com, ginsan.net, u5c.net, kasotore.com and iiservice-s.co.jp.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
o-tech.jp is handled by a single mail server, o-tech.jp.
o-tech.jp points to a single IP: 162.43.101.152.