mx.ssk21.com - robtex.com
mx.ssk21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
ssk21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ssk21.com ⭐ | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| MX | mx.ssk21.com ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | ssk21.comhostmaster@ssk21.com serial=2602171610 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A153.122.206.1142026-05-15 → 2026-05-15 · 3 obs
○ 2016-12-18 23:05:56
● 2026-05-15 13:41:52
● 2026-05-15 20:19:26
● 2026-05-15 13:41:52
● 2026-05-15 20:19:26
○A211.13.204.42015-11-04 → 2016-12-18 · 4 obs
● 2015-11-04 05:22:42
● 2016-12-18 23:05:56
○ 2026-05-15 13:41:52
○ 2026-05-15 20:19:26
● 2016-12-18 23:05:56
○ 2026-05-15 13:41:52
○ 2026-05-15 20:19:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net... | - |
| ssk21.com | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.17
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ssk21.com (unsigned zone)
⏱️ Timing
Total: 1074ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.114 |
Analysis
Mail Server Role
mx.ssk21.com is the mail server for ssk21.com.
IP Addresses
mx.ssk21.com resolves to one IP number: 153.122.206.114.
other host names including mx.tbseiren.com, mx.fumi.to, mx.art-ochi.com, mx.amanoikuocs.com and mx.tableocean.co.jp share IP numbers with mx.ssk21.com.