k2ko.com - dns.ninja
k2ko.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | k2ko.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 ~all | ||||||
| SOA | k2ko.compostmaster@k2ko.com serial=1758429404 | ||||||
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=1783911312 | ||||||
NS for
k2ko.com |
Previously MX for
k2ko.com |
Same first word
k2ko.com |
Similar names
DNS History
11 records (4 active, 7 former)
●NSdns01.muumuu-domain.com2026-03-05 → 2026-07-13 · 3 obs
● 2026-03-05 21:44:52
● 2026-07-13 03:00:48
●NSdns02.muumuu-domain.com2026-03-05 → 2026-07-13 · 3 obs
● 2026-03-05 21:44:52
● 2026-07-13 03:00:48
●NSk2ko.com2026-03-05 → 2026-07-13 · 3 obs
● 2026-03-05 21:44:52
● 2026-07-13 03:00:48
○NSuns01.lolipop.jp2015-05-19 → 2017-02-06 · 5 obs
● 2015-05-19 06:13:30
● 2017-02-06 01:12:14
○ 2026-03-05 21:44:52
○ 2026-07-13 03:00:48
○NSuns02.lolipop.jp2015-05-19 → 2017-02-06 · 5 obs
● 2015-05-19 06:13:30
● 2017-02-06 01:12:14
○ 2026-03-05 21:44:52
○ 2026-07-13 03:00:48
○MXk2ko.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-05-19 06:13:30
○ 2026-07-13 03:00:48
○MXmx01.lolipop.jp2015-05-19 → 2017-02-06 · 5 obs
● 2015-05-19 06:13:30
● 2017-02-06 01:12:14
○ 2026-03-05 21:44:52
○ 2026-07-13 03:00:48
●MXmx01.muumuu-mail.com2026-03-05 → 2026-07-13 · 3 obs
● 2026-03-05 21:44:52
● 2026-07-13 03:00:48
○A157.7.107.1382017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 01:12:14
○ 2026-03-05 21:44:52
○ 2026-07-13 03:00:48
○A210.172.144.2482015-05-19 → 2016-05-02 · 5 obs
● 2015-05-19 06:13:30
● 2016-05-02 06:21:40
○ 2017-02-06 01:12:14
○ 2026-07-13 03:00:48
○A219.94.133.2232008-03-14 → 2008-03-14 · 3 obs
○ 2015-05-19 06:13:30
○ 2026-07-13 03:00:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| k2ko.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 k2ko.com (unsigned zone)
⏱️ Timing
Total: 392ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| 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 ~all |
| SOA | 1 | k2ko.com postmaster.k2ko.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Name Server Role
k2ko.com is listed as a name server for k2ko.com — it is in-bailiwick, authoritative for its own domain.
dns01.muumuu-domain.com, dns02.muumuu-domain.com and k2ko.com are commonly seen together as name servers.
Name Servers
The DNS delegation for k2ko.com uses three name servers — k2ko.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
The name servers of k2ko.com overlap at least partially with those of other domains — among them xendinc.co.jp, mamorukarada.com, misaquo.org and two more.
Both dns01.muumuu-domain.com and dns02.muumuu-domain.com have a single IP address each — dns01.muumuu-domain.com resolves to 202.239.23.39 while dns02.muumuu-domain.com resolves to 160.251.249.62.
Mail Servers
k2ko.com uses one mail server — mx01.muumuu-mail.com.
The mail server setup of k2ko.com matches that of other domains such as jct.world, tthome.jp, melmaga.com and two others.
k2ko.com partially shares its mail servers with other domains — including setagayambc.org, qooma.com, s-4r.com and vt-tube.com.
It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.
mx01.muumuu-mail.com points to one IP number — 163.44.185.158.