cokkun.com - robtex.com
cokkun.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.112.187.226🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-13-112-187-226.ap-northeast-1.compute.amazonaws.com | ||||||
| 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 | mx01.muumuu-mail.com ⭐ | ||||||
| A | 163.44.185.158🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 include:_spf.muumuu-mail.com include:spf.makeshop.jp ~all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@cokkun.com serial=1763424346 | ||||||
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=1780524879 | ||||||
Same first word
cokkun.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSdns01.muumuu-domain.com2026-04-14 → 2026-06-03 · 3 obs
● 2026-04-14 08:18:48
● 2026-06-03 22:19:24
●NSdns02.muumuu-domain.com2026-04-14 → 2026-06-03 · 3 obs
● 2026-04-14 08:18:48
● 2026-06-03 22:19:24
○NSuns01.lolipop.jp2015-05-19 → 2020-02-19 · 4 obs
● 2020-02-19 21:19:24
○ 2026-04-14 08:18:48
○ 2026-06-03 22:19:24
○NSuns02.lolipop.jp2015-05-19 → 2020-02-19 · 4 obs
● 2020-02-19 21:19:24
○ 2026-04-14 08:18:48
○ 2026-06-03 22:19:24
○MXmx01.lolipop.jp2015-05-19 → 2020-02-19 · 4 obs
● 2020-02-19 21:19:24
○ 2026-04-14 08:18:48
○ 2026-06-03 22:19:24
●MXmx01.muumuu-mail.com2026-04-14 → 2026-06-03 · 3 obs
● 2026-04-14 08:18:48
● 2026-06-03 22:19:24
●A13.112.187.2262026-04-14 → 2026-06-03 · 3 obs
● 2026-04-14 08:18:48
● 2026-06-03 22:19:24
○A157.7.107.2472020-02-19 → 2020-02-19 · 4 obs
● 2020-02-19 21:19:24
○ 2026-04-14 08:18:48
○ 2026-06-03 22:19:24
○A157.7.107.372015-12-19 → 2017-03-26 · 5 obs
● 2015-12-19 05:52:04
● 2017-03-26 12:37:30
○ 2020-02-19 21:19:24
○ 2026-06-03 22:19:24
○A210.172.144.1562015-05-19 → 2015-10-16 · 4 obs
● 2015-10-16 03:43:24
○ 2015-12-19 05:52:04
○ 2026-06-03 22:19:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net... | - |
| cokkun.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 cokkun.com (unsigned zone)
⏱️ Timing
Total: 548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.112.187.226 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mx01.muumuu-mail.com (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.muumuu-mail.com incl |
| SOA | 1 | dns01.muumuu-domain.com postmaster.cokku |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
IP Addresses
cokkun.com resolves to one IP address: 13.112.187.226.
tk-creative.com, shikokai.net, tokyobachata.com and two other host names share IP numbers with cokkun.com.
Name Servers
cokkun.com has two authoritative name servers — dns01.muumuu-domain.com and dns02.muumuu-domain.com.
cokkun.com uses the same name servers as several other domains — among them kristofor-travel.com, saunashi.com, four-leaf-clovers.info and two more.
cokkun.com has at least partial name server overlap with other domains, such as sharehouse.in, greenvilla.jp, hanakura.jp and two others.
dns01.muumuu-domain.com directs to 202.239.23.39 and dns02.muumuu-domain.com directs to 160.251.249.62; each host name points to exactly one IP number.
Mail Servers
Mail for cokkun.com is handled by a single mail server, mx01.muumuu-mail.com.
cokkun.com uses an identical mail server configuration to several other domains — among them xchange.co.jp, zaimu.biz, rockbros.jp and two more.
cokkun.com has at least partial mail server overlap with other domains such as support-info.co.jp, fragment.co.jp, smartbizz.jp and two more.
These mail servers tend to appear together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mx01.muumuu-mail.com points to one IP number — 163.44.185.158.