steffko.net - robtex.com
steffko.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:63:ff4::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | nobody.yourvserver.net | ||||||
| A | 89.58.31.124🇩🇪 netcup-AS89.58.28.0/22 | ||||||
| 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.steffko.net ⭐ | ||||||
| A | 89.58.31.124🇩🇪 netcup-AS89.58.28.0/22 | ||||||
| PTR | v2202506283145355345.luckysrv.de | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-03-30 #29 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775458262 | ||||||
Subdomains
Same first word
steffko.net |
Similar names
DNS History
10 records (6 active, 4 former)
●NSroot-dns.netcup.net2015-08-15 → 2026-04-06 · 2 obs
● 2026-04-06 07:05:32
●NSsecond-dns.netcup.net2015-08-15 → 2026-04-06 · 2 obs
● 2026-04-06 07:05:32
●NSthird-dns.netcup.net2015-08-15 → 2026-04-06 · 2 obs
● 2026-04-06 07:05:32
●MXmail.steffko.net2015-08-15 → 2026-04-06 · 2 obs
● 2026-04-06 07:05:32
○A185.183.156.1162020-01-29 → 2020-01-29 · 4 obs
● 2020-01-29 09:28:10
○ 2026-02-23 07:46:24
○ 2026-04-06 07:05:32
○A2a03:4000:1d:6c::12020-01-29 → 2020-01-29 · 4 obs
● 2020-01-29 09:28:10
○ 2026-02-23 07:46:24
○ 2026-04-06 07:05:32
●A2a03:4000:63:ff4::12026-02-23 → 2026-04-06 · 3 obs
● 2026-02-23 07:46:24
● 2026-04-06 07:05:32
○A37.120.162.2352016-03-04 → 2017-03-15 · 5 obs
● 2016-03-04 08:16:34
● 2017-03-15 13:04:08
○ 2020-01-29 09:28:10
○ 2026-04-06 07:05:32
○A5.45.96.302015-08-15 → 2015-11-30 · 4 obs
● 2015-11-30 19:58:40
○ 2016-03-04 08:16:34
○ 2026-04-06 07:05:32
●A89.58.31.1242026-02-23 → 2026-04-06 · 3 obs
● 2026-02-23 07:46:24
● 2026-04-06 07:05:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | e.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| steffko.net | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | 6 records |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for steffko.net (unsigned zone)
⏱️ Timing
Total: 241ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.58.31.124 |
| AAAA | 1 | 2a03:4000:63:ff4::1 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | mail.steffko.net (pri: 10) |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (root-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net...)
Analysis
Hierarchy
steffko.net is parent of *.steffko.net and mail.steffko.net.
IP Addresses
steffko.net resolves to two IPs: 2a03:4000:63:ff4::1 and 89.58.31.124.
other host names for instance *.steffko.net, mail.steffko.net, steffen-ungruh.de, suhn.de and mail.steffen-ungruh.de share IP numbers with steffko.net.
Name Servers
steffko.net is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
steffko.net at least partially shares name servers with other domains, for instance ellia.de, diyalog.eu, solveplus.de, ro-tech.at and gersys.com.
Host names with two IP numbers:
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
steffko.net is handled by a single mail server, mail.steffko.net.
Host name mail.steffko.net points to IP address 89.58.31.124.