ctr-j.com - robtex.com
ctr-j.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.126.132.19🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | ik1-302-11015.vs.sakura.ne.jp | ||||||
| NS | ctr-j.com ⭐ | ||||||
| A | 153.126.132.19🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | ik1-302-11015.vs.sakura.ne.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | ctr-j.sakura.ne.jp ⭐ | ||||||
| A | 2403:3a00:201:17:112:78:125:161🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www2321.sakura.ne.jp | ||||||
| A | 112.78.125.161🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2321.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2321.sakura.ne.jp mx ~all | ||||||
| SOA | ctr-j.compostmaster@ctr-j.com serial=1687411550 | ||||||
com
| 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=1776257342 | ||||||
NS for
ctr-j.com |
Same first word
ctr-j.sakura.ne.jp |
ctr-j.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSctr-j.com2016-05-31 → 2026-04-15 · 3 obs
● 2016-05-31 03:31:08
● 2026-04-15 12:57:32
●NSdns01.muumuu-domain.com2016-05-31 → 2026-04-15 · 3 obs
● 2016-05-31 03:31:08
● 2026-04-15 12:57:32
●NSdns02.muumuu-domain.com2016-05-31 → 2026-04-15 · 3 obs
● 2016-05-31 03:31:08
● 2026-04-15 12:57:32
○NSmaster.dns.ne.jp2015-08-24 → 2016-02-14 · 4 obs
● 2016-02-14 21:14:34
○ 2016-05-31 03:31:08
○ 2026-04-15 12:57:32
○NSns1.dns.ne.jp2015-08-24 → 2016-02-14 · 4 obs
● 2016-02-14 21:14:34
○ 2016-05-31 03:31:08
○ 2026-04-15 12:57:32
○NSns2.dns.ne.jp2015-08-24 → 2016-02-14 · 4 obs
● 2016-02-14 21:14:34
○ 2016-05-31 03:31:08
○ 2026-04-15 12:57:32
○MXctr-j.com2015-08-24 → 2016-02-14 · 4 obs
● 2016-02-14 21:14:34
○ 2016-05-31 03:31:08
○ 2026-04-15 12:57:32
●MXctr-j.sakura.ne.jp2016-05-31 → 2026-04-15 · 3 obs
● 2016-05-31 03:31:08
● 2026-04-15 12:57:32
○A112.78.125.1612015-08-24 → 2016-02-14 · 4 obs
● 2016-02-14 21:14:34
○ 2016-05-31 03:31:08
○ 2026-04-15 12:57:32
●A153.126.132.192016-05-31 → 2026-04-15 · 3 obs
● 2016-05-31 03:31:08
● 2026-04-15 12:57:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net... | - |
| ctr-j.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctr-j.com (unsigned zone)
⏱️ Timing
Total: 504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.126.132.19 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | ctr-j.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2321.sakura.ne.jp mx ~all |
| SOA | 1 | ctr-j.com postmaster.ctr-j.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Name Server Role
ctr-j.com serves as a name server for ctr-j.com.
dns01.muumuu-domain.com and dns02.muumuu-domain.com are commonly used as name servers along with ctr-j.com.
IP Addresses
ctr-j.com points to a single IP number: 153.126.132.19.
Other host names, for instance ik1-302-11015.vs.sakura.ne.jp, share IP numbers with ctr-j.com.
Name Servers
ctr-j.com is delegated to three name servers: ctr-j.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
ctr-j.com at least partially shares name servers with other domains, for instance ktravelhome.com, momoyorozu.net, freeeno.com, kotoki.jp and geo-d.jp.
Host names with one IP number:
ctr-j.com points to 153.126.132.19.
dns01.muumuu-domain.com points to 202.239.23.39.
dns02.muumuu-domain.com points to 160.251.249.62.
Mail Servers
ctr-j.com is handled by a single mail server, ctr-j.sakura.ne.jp.
ctr-j.com uses the same mail server setup as other domains, such as ctr-j.sakura.ne.jp.
ctr-j.sakura.ne.jp resolves to two IP numbers: 2403:3a00:201:17:112:78:125:161 and 112.78.125.161.