tk-office.jp - robtex.com
tk-office.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=1777103102 | ||||||
MX for
tk-office.jp |
Same first word
tk-office.jp |
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●NSns2.xserver.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●NSns3.xserver.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●NSns4.xserver.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●NSns5.xserver.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●MXtk-office.jp2015-07-12 → 2026-04-25 · 2 obs
● 2026-04-25 07:59:10
●A202.226.37.52026-03-13 → 2026-04-25 · 3 obs
● 2026-03-13 20:05:12
● 2026-04-25 07:59:10
○A210.188.201.52015-07-12 → 2019-03-23 · 4 obs
● 2019-03-23 17:39:08
○ 2026-03-13 20:05:12
○ 2026-04-25 07:59:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| tk-office.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 tk-office.jp (unsigned zone)
⏱️ Timing
Total: 1086ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.5 |
| NS | 5 | ns5.xserver.jp, ns1.xserver.jp... |
| MX | 1 | tk-office.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv52.xserver.jp +a:tk-office.j |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
tk-office.jp serves as a mail server for tk-office.jp.
IP Addresses
tk-office.jp points to a single IP: 202.226.37.5.
Other host names, for instance happy-lohas.com, suzuki-tekkou.jp, itori.net, harps.uni-wa.com and mx1.uni-wa.com share IP numbers with tk-office.jp.
Name Servers
tk-office.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
tk-office.jp at least partially shares its name servers with other domains, for instance foralland.com, hitachino.com, mariotanaka.com, nekoi.jp and sunkogei.co.jp.
Host names with three IP numbers:
The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
The host name ns2.xserver.jp points to: 35.72.43.26.
The host name ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
tk-office.jp is handled by a single mail server.
tk-office.jp points to IP number 202.226.37.5.