core-mma.jp - robtex.com
core-mma.jp
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=1785716102 | ||||||
MX for
core-mma.jp |
Same first word
core-mma.jp |
Similar names
mom-care.com |
mac-more.co.ke |
e-macrom.com |
e-marcom.pl |
mma-core.com |
era-comm.eu |
memo-car.it |
mma-core.net |
e-marcom.be |
mac-more.com |
me-marco.com |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●NSns2.xserver.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●NSns3.xserver.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●NSns4.xserver.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●NSns5.xserver.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●MXcore-mma.jp2026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
●A202.226.39.1102026-06-07 → 2026-08-03 · 2 obs
● 2026-08-03 00:42:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| core-mma.jp | ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp... | 11 records |
✅ Authoritative Response
Server:157.112.182.220
NS records: ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-mma.jp (unsigned zone)
⏱️ Timing
Total: 740ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.39.110 |
| NS | 5 | ns3.xserver.jp, ns1.xserver.jp... |
| MX | 1 | core-mma.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv209.xserver.jp +a:core-mma.j |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
The MX record for core-mma.jp points back to core-mma.jp — it is its own mail server.
IP Addresses
core-mma.jp directs to one IP number, which is 202.226.39.110.
Among the host names that share IP numbers with core-mma.jp are sv209.xserver.jp, xn--eckk5g5byczcn5kr016aylav78e.com, macoos.biz and two others.
Name Servers
The authoritative name servers for core-mma.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
There is at least partial name server overlap between core-mma.jp and other domains — astro-prepare.com, hosaka-dental.com, jitan-navi.com and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
The MX record for core-mma.jp points to a single mail server: core-mma.jp.
core-mma.jp resolves to a single IP number: 202.226.39.110.