mx03.dfgb.de - robtex.com
mx03.dfgb.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.6.79.21🇩🇪 DTAG217.0.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mx03.dfgb.de | ||||||
| MX | mx.dfgb.de ⭐ | ||||||
| MX | mx03.dfgb.de(20) | ||||||
| A | 217.6.79.21🇩🇪 DTAG217.0.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mx03.dfgb.de | ||||||
dfgb.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a04:6c0:4:101::1🇩🇪 UNSPECIFIED2a04:6c0::/29 one4vision | ||||||
| A | 212.82.32.47🇩🇪 UNSPECIFIED212.82.32.0/21 | ||||||
| NS | ns1081.ui-dns.de ⭐ | ||||||
| NS | ns1090.ui-dns.biz | ||||||
| NS | ns1096.ui-dns.org | ||||||
| NS | ns1098.ui-dns.com | ||||||
| MX | mx01.hornetsecurity.com ⭐ | ||||||
| MX | mx02.hornetsecurity.com(20) | ||||||
| MX | mx03.hornetsecurity.com(30) | ||||||
| MX | mx04.hornetsecurity.com(40) | ||||||
| TXT | v=spf1 ip4:217.6.79.21 ip4:217.6.79.161 include:spf.hornetsecurity.com ~all | ||||||
| SOA | ns1081.ui-dns.dehostmaster@1and1.com 2017-02-07 #58 | ||||||
PTR for
MX for
Previously MX for
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MXmx03.dfgb.de2017-02-14 → 2026-03-28 · 2 obs
● 2026-03-28 12:28:30
●A217.6.79.212017-02-14 → 2026-03-28 · 2 obs
● 2026-03-28 12:28:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| dfgb.de | ns1081.ui-dns.de, ns1090.ui-dns.biz, ns1096.ui-dns.org, ns1098.ui-dns.com | - |
✅ Authoritative Response
Server:217.160.81.90
NS records: ns1081.ui-dns.de, ns1090.ui-dns.biz, ns1096.ui-dns.org, ns1098.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfgb.de (unsigned zone)
⏱️ Timing
Total: 960ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.6.79.21 |
| MX | 2 | mx.dfgb.de (pri: 20), mx03.dfgb.de (pri: 5) |
Analysis
Mail Server Role
mx03.dfgb.de serves as a mail server for df-lochbleche.ch, df-lochbleche.at, mx03.dfgb.de, df-perforatedsheets.com and proxyfw.dfgb.de.
mx.dfgb.de often functions as the mail server, commonly paired with mx03.dfgb.de.
IP Addresses
mx03.dfgb.de points to a single IP address: 217.6.79.21.
Other host names, for instance mail.moradelli.de, share IP numbers with mx03.dfgb.de.
Mail Servers
mx03.dfgb.de is served by two mail servers: mx03.dfgb.de and mx.dfgb.de.
mx03.dfgb.de shares the same mail server setup as other domains, for instance proxyfw.dfgb.de.
mx03.dfgb.de shares mail servers with other domains to some extent, for instance df-lochbleche.ch, df-lochbleche.at, dfbulgaria.de and df-perforatedsheets.com.
These mail servers are commonly used alongside mx00.kundenserver.de, mx01.kundenserver.de and mx01.schlund.de.
Host names with a single IP: mx03.dfgb.de resolves to 217.6.79.21.