mx.keio-ac.com - robtex.com
mx.keio-ac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.121.44🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv14243.xserver.jp | ||||||
keio-ac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.121.44🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| NS | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| MX | keio-ac.com ⭐ | ||||||
| TXT | v=spf1 +a:sv14243.xserver.jp +a:keio-ac.com +mx include:spf.sender.xserver.jp... | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A157.7.144.132015-06-08 → 2016-05-01 · 4 obs
● 2015-06-08 01:07:10
● 2016-05-01 08:43:30
○ 2026-02-16 22:33:44
○ 2026-04-20 15:39:04
● 2016-05-01 08:43:30
○ 2026-02-16 22:33:44
○ 2026-04-20 15:39:04
●A162.43.121.442026-02-16 → 2026-04-20 · 3 obs
○ 2016-05-01 08:43:30
● 2026-02-16 22:33:44
● 2026-04-20 15:39:04
● 2026-02-16 22:33:44
● 2026-04-20 15:39:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net... | - |
| keio-ac.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for keio-ac.com (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.121.44 |
Analysis
IP Addresses
mx.keio-ac.com resolves to a single IP address: 162.43.121.44.
Other host names including www.jpn-hero.co.jp, taiyocable.net, kitapla.co.jp, 21eiko.co.jp and aizu-edoya.com share IP numbers with mx.keio-ac.com.