mx.ucs21.co.jp - robtex.com
mx.ucs21.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
ucs21.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns3.shsvr.net ⭐ | ||||||
| NS | ns4.shsvr.net | ||||||
| MX | mx.ucs21.co.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns3.shsvr.netns4@shsvr.net serial=2698691011 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A153.122.206.1142026-03-20 → 2026-04-30 · 2 obs
● 2026-03-20 09:04:56
● 2026-04-30 04:26:08
● 2026-04-30 04:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ucs21.co.jp | ns4.shsvr.net, ns3.shsvr.net | - |
✅ Authoritative Response
Server:157.120.114.232
NS records: ns4.shsvr.net, ns3.shsvr.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ucs21.co.jp (unsigned zone)
⏱️ Timing
Total: 1503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.114 |
Analysis
Mail Server Role
mx.ucs21.co.jp serves as the mail server for ucs21.co.jp.
IP Addresses
mx.ucs21.co.jp points to a single IP: 153.122.206.114.
Other host names, for instance mx.k-uch.com, mx.marble-family.com, mx.koiwa-office.com, mx.sphere-sys.com and mx.art-produce.com share IP numbers with mx.ucs21.co.jp.