mx.plusc.co.jp - robtex.com
mx.plusc.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.181.99.4🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc. | ||||||
| PTR | sv103.xbiz.ne.jp | ||||||
plusc.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.181.99.4🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc. | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| MX | plusc.co.jp ⭐ | ||||||
| TXT | v=spf1 +a:sv103.xbiz.ne.jp +a:plusc.co.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| TXT | google-site-verification=UiBtBakYK5GY9mkRqNbY1KR4tPQhlujjWzIARGv4dRA | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A157.7.144.132017-08-03 → 2017-08-03 · 3 obs
● 2017-08-03 14:07:32
○ 2026-04-14 20:05:52
○ 2026-04-14 20:05:56
○ 2026-04-14 20:05:52
○ 2026-04-14 20:05:56
●A183.181.99.42026-04-14 → 2026-04-14 · 3 obs
○ 2017-08-03 14:07:32
● 2026-04-14 20:05:52
● 2026-04-14 20:05:56
● 2026-04-14 20:05:52
● 2026-04-14 20:05:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| plusc.co.jp | ns2.xbiz.ne.jp, ns3.xbiz.ne.jp, ns1.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.191.237
NS records: ns2.xbiz.ne.jp, ns3.xbiz.ne.jp, ns1.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plusc.co.jp (unsigned zone)
⏱️ Timing
Total: 896ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.99.4 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)
Analysis
IP Addresses
mx.plusc.co.jp points to IP number: 183.181.99.4.
Other host names such as mail.koumyou2.net, fuchu-takakura.net, _dc-mx.6a4cd609001a.dijp2023.com, mail.tama-ishikawa.net and skibaito.com share IPs with mx.plusc.co.jp.