srv-cdn.de - robtex.com
srv-cdn.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:63:d76:9413:2bff:fe83:1695🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 89.58.30.11🇩🇪 netcup-AS89.58.28.0/22 | ||||||
| NS | ns1.guhlke.net ⭐ ⚠️ Not in zone NS records | ||||||
| A | 81.28.224.2🇩🇪 SCALEUP81.28.224.0/21 Route object for 81.28.224.0/21 | ||||||
| PTR | ns1.variomedia.de | ||||||
| NS | ns2.guhlke.net ⚠️ Not in zone NS records | ||||||
| A | 81.28.236.2🇩🇪 SCALEUP81.28.236.0/23 | ||||||
| PTR | ns2.variomedia.de | ||||||
| MX | srv-cdn.de ⭐ | ||||||
| A | 2a03:4000:63:d76:9413:2bff:fe83:1695🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 89.58.30.11🇩🇪 netcup-AS89.58.28.0/22 | ||||||
| PTR | mail.srv-cdn.de | ||||||
| TXT | v=spf1 mx a:relay.mailbaby.net include:relay.mailbaby.net ip4:89.58.30.11 ip6... | ||||||
| SOA | ns1.guhlke.netsupport@variomedia.de 2022-12-21 #83 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774632174 | ||||||
MX for
Subdomains
mail.srv-cdn.de |
Same first word
srv-cdn.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.guhlke.net2026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 17:36:14
●NSns2.guhlke.net2026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 17:36:14
●MXsrv-cdn.de2026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 17:36:14
●A2a03:4000:63:d76:9413:2bff:fe83:16952026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 17:36:14
●A89.58.30.112026-02-22 → 2026-03-27 · 2 obs
● 2026-03-27 17:36:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| srv-cdn.de | ns1.guhlke.net, ns2.guhlke.net | - |
✅ Authoritative Response
Server:81.28.224.2
NS records: ns1.guhlke.net, ns2.guhlke.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for srv-cdn.de (unsigned zone)
⏱️ Timing
Total: 913ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.58.30.11 |
| AAAA | 1 | 2a03:4000:63:d76:9413:2bff:fe83:1695 |
| MX | 1 | srv-cdn.de (pri: 10) |
| TXT | 1 | v=spf1 mx a:relay.mailbaby.net include:r |
| SOA | 1 | ns1.guhlke.net support.variomedia.de |
Analysis
Hierarchy
The parent of mail.srv-cdn.de is srv-cdn.de.
Mail Server Role
srv-cdn.de serves as a mail server for guhlke.com, hoffmann.ms and srv-cdn.de.
IP Addresses
srv-cdn.de points to two IP numbers: 2a03:4000:63:d76:9413:2bff:fe83:1695 and 89.58.30.11.
Other host names, for instance mail.srv-cdn.de share IP numbers with srv-cdn.de.
Name Servers
srv-cdn.de is delegated to two name servers: ns1.guhlke.net and ns2.guhlke.net.
srv-cdn.de shares the same name server setup with other domains, such as hoffmann.ms, hybrid-antenne.at and guhlke.net.
Host names with a single IP:
ns1.guhlke.net points to 81.28.224.2.
ns2.guhlke.net points to 81.28.236.2.
Mail Servers
srv-cdn.de is handled by a single mail server, srv-cdn.de.
srv-cdn.de shares the mail server setup with other domains, for example guhlke.com and hoffmann.ms.
srv-cdn.de points to two IPs: 2a03:4000:63:d76:9413:2bff:fe83:1695 and 89.58.30.11.