sdto.de - robtex.com
sdto.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:2bc8::11:1287🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 188.68.47.63🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| 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.sdto.de ⭐ | ||||||
| A | 188.68.47.65🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f41.netcup.net | ||||||
| MX | mx2f41.netcup.net(50) | ||||||
| A | 188.68.47.65🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f41.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2019-12-20 #1 | ||||||
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=1774749131 | ||||||
Subdomains
mail.sdto.de |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●NSsecond-dns.netcup.net2026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●NSthird-dns.netcup.net2026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●MXmail.sdto.de2026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●MXmx2f41.netcup.net2026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●A188.68.47.632026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
●A2a03:4000:30:2bc8::11:12872026-03-05 → 2026-03-29 · 2 obs
● 2026-03-29 02:01:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sdto.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdto.de (unsigned zone)
⏱️ Timing
Total: 674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.47.63 |
| AAAA | 1 | 2a03:4000:30:2bc8::11:1287 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mail.sdto.de (pri: 10), mx2f41.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
sdto.de is the parent of mail.sdto.de.
IP Addresses
sdto.de resolves to two IP numbers: 2a03:4000:30:2bc8::11:1287 and 188.68.47.63.
Other host names, for instance marcato-design.de, hotfeet.eu, massage-fuchs.de, gommit.de and karinkieltsch.com share IP numbers with sdto.de.
Name Servers
sdto.de delegates to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
sdto.de shares some name servers with other domains, for example lifelounge.at, zimmermeister-marx.de, mansteins-leveldesign.de, schulzek.net and calvoy.de.
Host names with two IP numbers:
root-dns.netcup.net: 2a03:4000:0:1::e1e1 and 46.38.225.225
second-dns.netcup.net: 2a03:4000:2:24b::c7c7 and 37.221.199.199
third-dns.netcup.net: 2a03:4001:0:106::3f44 and 188.68.63.68
Mail Servers
sdto.de is served by two mail servers: mail.sdto.de and mx2f41.netcup.net.
sdto.de shares some mail servers with other domains, at least partially; for instance chehade.net, slawski.eu, temptool.de, kurzer-link.de and oefgnbg.de.
Host names with one IP number:
mail.sdto.de points to: 188.68.47.65
mx2f41.netcup.net points to: 188.68.47.65
Names pointing to 188.68.47.65: mail.sdto.de and mx2f41.netcup.net