mpdevelop.jp - dns.ninja
mpdevelop.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.226.36.31🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | sv30.sixcore.ne.jp | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | mpdevelop.jp ⭐ | ||||||
| A | 202.226.36.31🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | sv30.sixcore.ne.jp | ||||||
| TXT | v=spf1 +a:sv30.sixcore.ne.jp +a:mpdevelop.jp +mx include:spf.sender.xserver.j... | ||||||
| SOA | ns1.sixcore.ne.jproot@sixcore.ne.jp serial=0 | ||||||
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=1789173902 | ||||||
MX for
mpdevelop.jp |
Same first word
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DNS History
5 records (5 active, 0 former)
●NSns1.sixcore.ne.jp2026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 01:52:58
●NSns2.sixcore.ne.jp2026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 01:52:58
●NSns3.sixcore.ne.jp2026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 01:52:58
●MXmpdevelop.jp2026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 01:52:58
●A202.226.36.312026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 01:52:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| mpdevelop.jp | ns1.sixcore.ne.jp, ns3.sixcore.ne.jp, ns2.sixcore.ne.jp | 3 records |
✅ Authoritative Response
Server:202.226.36.232
NS records: ns1.sixcore.ne.jp, ns3.sixcore.ne.jp, ns2.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mpdevelop.jp (unsigned zone)
⏱️ Timing
Total: 1664ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.36.31 |
| NS | 3 | ns3.sixcore.ne.jp, ns2.sixcore.ne.jp... |
| MX | 1 | mpdevelop.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv30.sixcore.ne.jp +a:mpdevelo |
| SOA | 1 | ns1.sixcore.ne.jp root.sixcore.ne.jp |
📌 Glue Records Collected
Total: 18
In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)
Out-of-bailiwick: 3 (ns3.sixcore.ne.jp, ns2.sixcore.ne.jp, ns1.sixcore.ne.jp)
Analysis
Mail Server Role
The MX record for mpdevelop.jp points back to mpdevelop.jp — it is its own mail server.
IP Addresses
mpdevelop.jp directs to one IP number, which is 202.226.36.31.
Among the host names that share IP numbers with mpdevelop.jp are otomiya.com, okusaman.com, livingcenter.co.jp and two others.
Name Servers
Three name servers are authoritative for mpdevelop.jp: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
mpdevelop.jp shares at least some of its name servers with other domains, including kuriharashiki.co.jp, itechmp.co.jp, highvillage-farm.jp and two others.
Three hostnames, one IP address apiece: ns1.sixcore.ne.jp resolves to 202.226.36.232, ns2.sixcore.ne.jp resolves to 202.226.39.241 and ns3.sixcore.ne.jp resolves to 202.226.37.248.
Mail Servers
The MX record for mpdevelop.jp points to a single mail server: mpdevelop.jp.
There is one IP number for mpdevelop.jp: 202.226.36.31.