sys-serv.de - robtex.com
sys-serv.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.45.105.46🇩🇪 netcup-AS5.45.104.0/22 | ||||||
| PTR | sys-serv.de | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.sys-serv.de ⭐ | ||||||
| A | 5.45.105.46🇩🇪 netcup-AS5.45.104.0/22 | ||||||
| PTR | sys-serv.de | ||||||
| TXT | v=spf1 mx a ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-03-29 #31 | ||||||
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=1776099727 | ||||||
PTR for
Subdomains
mail.sys-serv.de |
Same first word
sys-serv.de |
DNS History
6 records (5 active, 1 former)
●NSroot-dns.netcup.net2015-06-06 → 2026-04-13 · 2 obs
● 2026-04-13 17:12:30
●NSsecond-dns.netcup.net2015-06-06 → 2026-04-13 · 2 obs
● 2026-04-13 17:12:30
●NSthird-dns.netcup.net2015-06-06 → 2026-04-13 · 2 obs
● 2026-04-13 17:12:30
●MXmail.sys-serv.de2015-06-06 → 2026-04-13 · 2 obs
● 2026-04-13 17:12:30
○A46.38.235.2152015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-27 15:18:54
○ 2026-04-13 17:12:30
●A5.45.105.462015-10-27 → 2026-04-13 · 3 obs
● 2015-10-27 15:18:54
● 2026-04-13 17:12:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sys-serv.de | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys-serv.de (unsigned zone)
⏱️ Timing
Total: 619ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.45.105.46 |
| NS | 3 | second-dns.netcup.net, root-dns.netcup.net... |
| MX | 1 | mail.sys-serv.de (pri: 10) |
| TXT | 1 | v=spf1 mx a ~all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.sys-serv.de is sys-serv.de.
IP Addresses
sys-serv.de points to IP number: 5.45.105.46.
Other host names such as hampek.de, mail.hampek.de and mail.sys-serv.de share IP numbers with sys-serv.de.
Name Servers
sys-serv.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
sys-serv.de at least partially shares name servers with other domains, for instance frenco.eu, b3-media.de, ddosbot.net, esp-shop.com and loehner-online.de.
Host root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225; Host second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199; Host third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
sys-serv.de is handled by a single mail server, mail.sys-serv.de.
mail.sys-serv.de points to a single IP: 5.45.105.46.