tkbs.co.jp - robtex.com
tkbs.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.231🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2291.sakura.ne.jp | ||||||
| NS | nsk0.secure.ne.jp ⭐ | ||||||
| A | 122.200.212.137🇯🇵 CPI-NET122.200.192.0/19 | ||||||
| PTR | nsk0.secure.ne.jp | ||||||
| NS | nsk1.secure.ne.jp | ||||||
| A | 122.200.253.229🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | nsk1.secure.ne.jp | ||||||
| MX | mgf.cybermail.jp ⭐ | ||||||
| A | 27.121.5.163🇯🇵 TOKAI-NETWORK27.121.0.0/19 TOKAI-NET | ||||||
| PTR | mgf.cybermail.jp | ||||||
| TXT | v=spf1 include:spfcm.cybermail.jp ~all | ||||||
| SOA | nsk0.secure.ne.jphostmaster@cpi.ad.jp serial=2008250000 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
WOT: SAFE (58/100)
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSns4.cpi.ad.jp2015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
○NSns5.cpi.ad.jp2015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
●NSnsk0.secure.ne.jp2026-04-11 → 2026-04-21 · 3 obs
● 2026-04-11 11:38:30
● 2026-04-21 18:09:20
●NSnsk1.secure.ne.jp2026-04-11 → 2026-04-21 · 3 obs
● 2026-04-11 11:38:30
● 2026-04-21 18:09:20
●MXmgf.cybermail.jp2026-04-11 → 2026-04-21 · 3 obs
● 2026-04-11 11:38:30
● 2026-04-21 18:09:20
○MXvlmx20.secure.ne.jp2015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
○MXvlmx21.secure.ne.jp2015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
○MXvlmx22.secure.ne.jp2015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
○A110.50.202.1342015-08-16 → 2017-05-21 · 4 obs
● 2017-05-21 06:00:42
○ 2026-04-11 11:38:30
○ 2026-04-21 18:09:20
●A182.48.49.2312026-04-11 → 2026-04-21 · 3 obs
● 2026-04-11 11:38:30
● 2026-04-21 18:09:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| tkbs.co.jp | nsk1.secure.ne.jp, nsk0.secure.ne.jp | - |
✅ Authoritative Response
Server:122.200.253.229
NS records: nsk1.secure.ne.jp, nsk0.secure.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tkbs.co.jp (unsigned zone)
⏱️ Timing
Total: 1276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.48.49.231 |
| NS | 2 | nsk0.secure.ne.jp, nsk1.secure.ne.jp |
| MX | 1 | mgf.cybermail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spfcm.cybermail.jp ~all |
| SOA | 1 | nsk0.secure.ne.jp hostmaster.cpi.ad.jp |
Analysis
IP Addresses
tkbs.co.jp resolves to a single IP address: 182.48.49.231.
Other host names including seijoh.ac.jp, yamawaki.ac.jp, shin-kukan.com, www2291.sakura.ne.jp and masuko-clinic.com share IP numbers with tkbs.co.jp.
Name Servers
tkbs.co.jp's delegation uses two name servers, nsk0.secure.ne.jp and nsk1.secure.ne.jp.
tkbs.co.jp shares the same name server setup as other domains, for example honeston.co.jp, 0.159.109.124.in-addr.arpa, matsuokaman.jp, jcomes.com and shoten.jp.
tkbs.co.jp partially shares its name servers with other domains, for example aldec.co.jp and jugemu-tech.co.jp.
Host names with a single IP:
nsk0.secure.ne.jp points to 122.200.212.137.
nsk1.secure.ne.jp points to 122.200.253.229.
Mail Servers
tkbs.co.jp is handled by a single mail server, mgf.cybermail.jp.
tkbs.co.jp shares its mail server setup with other domains, including in-sq.com, bcn.co.jp, ncic.co.jp, victoria.co.jp and lookmode.jp.
The mail servers for tkbs.co.jp are shared with other domains, for instance hiyoshi-es.co.jp, g-power.co.jp, earth-car.com, aeca-international.com and sec.himawari-group.co.jp.
These mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mgf.cybermail.jp points to a single IP: 27.121.5.163.