core-m.com - dns.ninja
core-m.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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.lolipop.jp ⭐ | ||||||
| A | 157.7.107.233🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 include:_spf.lolipop.jp ~all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@core-m.com serial=1782885655 | ||||||
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=1786375654 | ||||||
Same first word
core-m.com |
Similar names
DNS History
8 records (3 active, 5 former)
●NSdns01.muumuu-domain.com2026-07-08 → 2026-08-10 · 3 obs
● 2026-07-08 10:21:38
● 2026-08-10 15:49:34
●NSdns02.muumuu-domain.com2026-07-08 → 2026-08-10 · 3 obs
● 2026-07-08 10:21:38
● 2026-08-10 15:49:34
○NSuns01.lolipop.jp2015-07-03 → 2026-05-11 · 5 obs
● 2015-07-03 23:30:10
● 2026-05-11 03:44:22
○ 2026-07-08 10:21:38
○ 2026-08-10 15:49:34
○NSuns02.lolipop.jp2015-07-03 → 2026-05-11 · 5 obs
● 2015-07-03 23:30:10
● 2026-05-11 03:44:22
○ 2026-07-08 10:21:38
○ 2026-08-10 15:49:34
●MXmx01.lolipop.jp2015-07-03 → 2026-08-10 · 3 obs
● 2015-07-03 23:30:10
● 2026-08-10 15:49:34
○A157.7.107.1122016-04-01 → 2017-01-17 · 5 obs
● 2016-04-01 06:44:18
● 2017-01-17 20:51:24
○ 2026-03-27 02:27:46
○ 2026-08-10 15:49:34
○A163.44.185.1732026-03-27 → 2026-05-11 · 5 obs
● 2026-03-27 02:27:46
● 2026-05-11 03:44:22
○ 2026-07-08 10:21:38
○ 2026-08-10 15:49:34
○A210.172.144.612015-07-03 → 2016-01-13 · 5 obs
● 2015-07-03 23:30:10
● 2016-01-13 08:05:50
○ 2016-04-01 06:44:18
○ 2026-08-10 15:49:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| core-m.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-m.com (unsigned zone)
⏱️ Timing
Total: 415ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mx01.lolipop.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.lolipop.jp ~all |
| SOA | 1 | dns01.muumuu-domain.com postmaster.core- |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Name Servers
core-m.com has two authoritative name servers — dns01.muumuu-domain.com and dns02.muumuu-domain.com.
core-m.com shares its NS records with other domains, for example ohanasomurie.com, sun3.net, babo.jp and two others.
core-m.com has at least partial name server overlap with other domains, such as ikedanoriyuki.jp, o-mac.jp, osusumejyou.com 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
The sole mail server for core-m.com is mx01.lolipop.jp.
Among the domains sharing a mail server setup with core-m.com are p-kai.net, coconow.info, kako.bz and two others.
mx01.lolipop.jp points to one IP number — 157.7.107.233.