srcblk.de - robtex.com
srcblk.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.38.249.149🇩🇪 netcup-AS | ||||||
| PTR | af995.netcup.net | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.srcblk.de ⭐ | ||||||
| MX | mxf9a9.netcup.net(50) | ||||||
| A | 46.38.249.169🇩🇪 netcup-AS | ||||||
| PTR | mxf9a9.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-01-07 #70 | ||||||
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=1771291602 | ||||||
Up
mail.srcblk.de |
Same first word
srcblk.de |
DNS History
6 records (6 active, 0 former)
●NSroot-dns.netcup.net2026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
●NSsecond-dns.netcup.net2026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
●NSthird-dns.netcup.net2026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
●MXmail.srcblk.de2026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
●MXmxf9a9.netcup.net2026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
●A46.38.249.1492026-02-15 → 2026-02-21 · 2 obs
● 2026-02-21 05:27:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| srcblk.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server: 188.68.63.68
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for srcblk.de (unsigned zone)
⏱️ Timing
Total: 282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.249.149 |
| NS | 3 | second-dns.netcup.net, root-dns.netcup.net... |
| MX | 2 | mail.srcblk.de (pri: 10), mxf9a9.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
AI analysis
srcblk.de is the parent of mail.srcblk.de.
srcblk.de resolves to one IP number: 46.38.249.149.
other host names including nina-karzenburg.de, webof.de, sebastianruehl.de, v4b.de and tomweb.at share IP numbers with srcblk.de.
srcblk.de is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
srcblk.de at least partially shares name servers with other domains, for instance eauction24.com, musikkapelle-reichenau.at, visite.at, xn--pension-dsseldorf-b3b.eu and nvynet.com.
Host names with two IP numbers:
root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.
Two mail servers handle srcblk.de: mail.srcblk.de and mxf9a9.netcup.net.
srcblk.de shares some mail servers with other domains, at least partially, for instance stuttgart-generali.de, r-jenewein.at, iamjr.de, typework.de and tsrat.de.
these mail servers are commonly used with the mail servers mail.r-jenewein.at.
Hostnames with a single IP:
mxf9a9.netcup.net points to 46.38.249.169.