mpdevelop.jp - robtex.com
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=1794271503 | ||||||
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 → 2026-11-10 · 2 obs
● 2026-11-10 01:54:44
●NSns2.sixcore.ne.jp2026-09-05 → 2026-11-10 · 2 obs
● 2026-11-10 01:54:44
●NSns3.sixcore.ne.jp2026-09-05 → 2026-11-10 · 2 obs
● 2026-11-10 01:54:44
●MXmpdevelop.jp2026-09-05 → 2026-11-10 · 2 obs
● 2026-11-10 01:54:44
●A202.226.36.312026-09-05 → 2026-11-10 · 2 obs
● 2026-11-10 01:54:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mpdevelop.jp | ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp | 3 records |
✅ Authoritative Response
Server:202.226.36.232
NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mpdevelop.jp (unsigned zone)
⏱️ Timing
Total: 1218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.36.31 |
| NS | 3 | ns2.sixcore.ne.jp, ns1.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: 3
Out-of-bailiwick: 3 (ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp)
Analysis
Mail Server Role
mpdevelop.jp handles its own mail, functioning as its own mail server.
IP Addresses
mpdevelop.jp resolves to just one IP address, 202.226.36.31.
Two other host names, along with otomiya.com, okusaman.com and livingcenter.co.jp, also share IP numbers with mpdevelop.jp.
Name Servers
mpdevelop.jp is served by three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
There is at least partial name server overlap between mpdevelop.jp and other domains — kuriharashiki.co.jp, rokko-michi.com, itechmp.co.jp and two more among them.
ns1.sixcore.ne.jp has IP address 202.226.36.232, ns2.sixcore.ne.jp has IP address 202.226.39.241 and ns3.sixcore.ne.jp has IP address 202.226.37.248 — one address each.
Mail Servers
mpdevelop.jp is served by just one mail server: mpdevelop.jp.
mpdevelop.jp resolves to 202.226.36.31 and no other IP number.