mailin1.capacitysystem.com - robtex.com
mailin1.capacitysystem.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:104🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | mx20.websupport.cz | ||||||
| A | 45.13.137.109🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
capacitysystem.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2011::5🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.211🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| NS | ns2.websupport.cz | ||||||
| NS | ns3.websupport.eu | ||||||
| MX | mailin1.capacitysystem.com ⭐ | ||||||
| MX | mailin2.capacitysystem.com(100) | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1765841089 | ||||||
MX for
DNS History
2 records (2 active, 0 former)
●A2a00:4b40:aaaa:2101:45:13:137:1042026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 17:49:40
● 2026-04-14 13:45:18
● 2026-04-14 13:45:18
●A45.13.137.1092026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 17:49:40
● 2026-04-14 13:45:18
● 2026-04-14 13:45:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net... | - |
| capacitysystem.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 438ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.13.137.109 |
| AAAA | 1 | 2a00:4b40:aaaa:2101:45:13:137:104 |
Analysis
Mail Server Role
mailin1.capacitysystem.com is the mail server for capacitysystem.com.
mailin2.capacitysystem.com is a common mail server alongside mailin1.capacitysystem.com.
IP Addresses
mailin1.capacitysystem.com resolves to two IPs: 2a00:4b40:aaaa:2101:45:13:137:104 and 45.13.137.109.
other host names for instance mailin2.scuolaitaliana.cz, mailin1.piaristi-pd.sk, mailin1.advokatka.com, mailin2.singlehouse.eu and mailin2.cybrix.org share IP numbers with mailin1.capacitysystem.com.