checked.jp - dns.ninja
checked.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.177🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users259.vip.heteml.jp | ||||||
| NS | checked.jp ⭐ | ||||||
| A | 157.7.44.177🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users259.vip.heteml.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 | mail30.heteml.jp ⭐ | ||||||
| A | 157.7.189.15🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mail-proxy.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | checked.jppostmaster@checked.jp serial=1778213143 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1782923403 | ||||||
NS for
checked.jp |
Same first word
Similar names
decheck.com |
dccheek.com |
checkde.guru |
decheck.net |
decheck.de |
edcheck.co.uk |
checkde.net |
edcheck.com |
checkde.com |
edcheck.us |
edcheck.com.au |
DNS History
6 records (5 active, 1 former)
●NSchecked.jp2019-02-20 → 2026-07-01 · 2 obs
● 2026-07-01 17:03:42
●NSdns01.muumuu-domain.com2019-02-20 → 2026-07-01 · 2 obs
● 2026-07-01 17:03:42
●NSdns02.muumuu-domain.com2019-02-20 → 2026-07-01 · 2 obs
● 2026-07-01 17:03:42
○A133.130.39.1242019-02-20 → 2019-02-20 · 3 obs
○ 2026-03-26 06:59:02
○ 2026-07-01 17:03:42
●A157.7.44.1772026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 06:59:02
● 2026-07-01 17:03:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| checked.jp | dns02.muumuu-domain.com, dns01.muumuu-domain.com | - |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns02.muumuu-domain.com, dns01.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checked.jp (unsigned zone)
⏱️ Timing
Total: 1522ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.177 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mail30.heteml.jp (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | checked.jp postmaster.checked.jp |
Analysis
Name Server Role
checked.jp serves as a name server for itself — checked.jp is its own authoritative name server.
dns01.muumuu-domain.com, dns02.muumuu-domain.com and checked.jp are commonly seen together as name servers.
IP Addresses
checked.jp points to a single IP number: 157.7.44.177.
Additional host names — globalinx.co.jp, west-c.com, 234kobo.com and two others — share IP numbers with checked.jp.
Name Servers
Authority for checked.jp is delegated across three name servers: checked.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
The name servers of checked.jp overlap at least partially with those of other domains — among them visionary-inc.jp, circle-kt.com, tokyo-nursingtaxi-critic.com and two more.
checked.jp points to 157.7.44.177; dns01.muumuu-domain.com points to 202.239.23.39; dns02.muumuu-domain.com points to 160.251.249.62 — each hostname maps to exactly one IP address.
Mail Servers
checked.jp has one mail server: mail30.heteml.jp.
checked.jp shares the same mail server setup as other domains, including and-us.jp, ayanokoji.jp, styled.co.jp and two others.
checked.jp uses mail servers that are also used by other domains, including complanning.net, eco-house21.jp and sa-works.com.
These mail servers are frequently used alongside mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
mail30.heteml.jp carries a single IP number, which is 157.7.189.15.