co-cnt.com - robtex.com
co-cnt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| NS | sv01.k3u.jp ⭐ | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| NS | sv02.k3u.jp | ||||||
| A | 49.212.144.194🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | sv02.k3u.jp | ||||||
| MX | co-cnt.com ⭐ | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| TXT | google-site-verification=D5_2CXjT8FgtH_BKKQ0jz_lRAbAUFLUCKsKu_ZGcW-A | ||||||
| TXT | v=spf1 ip4:160.251.123.98 a mx ~all | ||||||
| SOA | sv01.k3u.jpinfo@co-cnt.com 2022-09-08 #0 | ||||||
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=1771291435 | ||||||
MX for
co-cnt.com |
Same first word
co-cnt.com |
Similar names
ntc-co.com |
ntc-co.ir |
tc-con.de |
ct-con.de |
ct-con.com |
cn-otc.com |
c-cont.ro |
ctn-co.com |
ntc-co.jp |
ct-con.org |
tc-con.com |
ct-con.ch |
con-ct.com |
DNS History
7 records (4 active, 3 former)
○NSns1.sunyou-net.jp2015-06-10 → 2016-09-21 · 4 obs
● 2016-09-21 09:21:12
○ 2026-03-24 08:34:24
○ 2026-03-24 08:34:26
○NSns2.sunyou-net.jp2015-06-10 → 2016-09-21 · 4 obs
● 2016-09-21 09:21:12
○ 2026-03-24 08:34:24
○ 2026-03-24 08:34:26
●NSsv01.k3u.jp2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:34:24
● 2026-03-24 08:34:26
●NSsv02.k3u.jp2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:34:24
● 2026-03-24 08:34:26
●MXco-cnt.com2015-06-10 → 2026-03-24 · 2 obs
● 2026-03-24 08:34:26
○A153.122.24.502015-06-10 → 2016-09-21 · 4 obs
● 2016-09-21 09:21:12
○ 2026-03-24 08:34:24
○ 2026-03-24 08:34:26
●A160.251.123.982026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:34:24
● 2026-03-24 08:34:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| co-cnt.com | sv01.k3u.jp, sv02.k3u.jp | - |
✅ Authoritative Response
Server:49.212.144.194
NS records: sv01.k3u.jp, sv02.k3u.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for co-cnt.com (unsigned zone)
⏱️ Timing
Total: 2296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.123.98 |
| NS | 2 | sv02.k3u.jp, sv01.k3u.jp |
| MX | 1 | co-cnt.com (pri: 10) |
| TXT | 2 | v=spf1 ip4:160.251.123.98 a mx ~all, google-site-verification=D5_2CXjT8FgtH_B |
| SOA | 1 | sv01.k3u.jp info.co-cnt.com |
Analysis
Mail Server Role
co-cnt.com is the mail server for co-cnt.com.
IP Addresses
co-cnt.com resolves to a single IP: 160.251.123.98.
Other host names, for instance k3u.jp, k-3u.com, kagaen.com, sv01.k3u.jp and ist-office.net share IP numbers with co-cnt.com.
Name Servers
co-cnt.com has two name servers: sv01.k3u.jp and sv02.k3u.jp.
co-cnt.com shares the same name server setup as other domains, for example obara.pro, kaimasu-kansai.com, miu-aroma.com, k3u.jp and k-3u.com.
Host names with a single IP:
sv01.k3u.jp points to 160.251.123.98
sv02.k3u.jp points to 49.212.144.194
Mail Servers
One mail server handles co-cnt.com.
Host name co-cnt.com points to IP 160.251.123.98.