jck.net - robtex.com
jck.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | rook03.yukio.ne.jp ⭐ | ||||||
| A | 133.167.75.155🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | rook03.yukio.ne.jp | ||||||
| NS | ns2.yukio.ne.jp | ||||||
| A | 194.233.68.222🇸🇬 CONTABO-ASIA194.233.68.0/22 Contabo Asia Private Limited 8 Robinson Road, 13-00 ASO Building | ||||||
| PTR | vps20060.secure-server.jp | ||||||
| SOA | rook03.yukio.ne.jpinfo@yukio.ne.jp 2026-04-16 #2 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778471351 | ||||||
Same first word
Similar names
DNS History
10 records (2 active, 8 former)
○NSns.admiral.ne.jp2009-01-28 → 2018-03-04 · 4 obs
● 2018-03-04 03:15:00
○ 2026-05-03 13:09:16
○ 2026-05-11 03:53:00
○NSns2.admiral.ne.jp2009-01-28 → 2018-03-04 · 4 obs
● 2018-03-04 03:15:00
○ 2026-05-03 13:09:16
○ 2026-05-11 03:53:00
●NSns2.yukio.ne.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 13:09:16
● 2026-05-11 03:53:00
●NSrook03.yukio.ne.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 13:09:16
● 2026-05-11 03:53:00
○MXmail.jck.net2026-05-03 → 2026-05-09 · 4 obs
● 2026-05-03 13:09:16
● 2026-05-09 19:21:30
○ 2026-05-11 03:53:00
○MXxmx01.admiral.ne.jp2009-01-28 → 2018-03-04 · 4 obs
● 2018-03-04 03:15:00
○ 2026-05-03 13:09:16
○ 2026-05-11 03:53:00
○A133.167.75.1552026-05-03 → 2026-05-09 · 6 obs
● 2026-05-03 13:09:16
○ 2026-05-06 12:53:36
● 2026-05-09 02:10:52
○ 2026-05-09 19:21:30
○ 2026-05-11 03:53:00
○A194.233.91.1652026-05-03 → 2026-05-11 · 2 obs
○ 2026-05-11 03:53:00
○A219.118.197.2292015-08-25 → 2018-03-04 · 5 obs
● 2015-08-25 09:00:44
● 2018-03-04 03:15:00
○ 2026-05-03 13:09:16
○ 2026-05-11 03:53:00
○A219.118.209.2002009-01-28 → 2009-01-28 · 3 obs
○ 2015-08-25 09:00:44
○ 2026-05-11 03:53:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | d.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| jck.net | rook03.yukio.ne.jp, ns2.yukio.ne.jp | - |
✅ Authoritative Response
Server:133.167.75.155
NS records: rook03.yukio.ne.jp, ns2.yukio.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jck.net (unsigned zone)
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.75.155 |
| MX | 1 | mail.jck.net (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:rook03.yukio.ne.jp -all |
| SOA | 1 | rook03.yukio.ne.jp info.yukio.ne.jp |
Analysis
Name Servers
jck.net's delegation uses two name servers, ns2.yukio.ne.jp and rook03.yukio.ne.jp.
jck.net shares the same name server setup as other domains, for example isshin-h.co.jp, enprint.jp, tani-seimitsu.co.jp, bo-koumuten.co.jp and torelli.jp.
jck.net at least partially shares name servers with other domains, including wada-setsubi.com, myreform.co.jp, imsg.co.jp, falconnet.co.jp and os-clean.co.jp.
These name servers are commonly used with rook02.yukio.ne.jp and rook01.yukio.ne.jp.
Host names with a single IP:
ns2.yukio.ne.jp points to 194.233.68.222.
rook03.yukio.ne.jp points to 133.167.75.155.