runningcore.de - dns.ninja
runningcore.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.106.46.64🇩🇪 IONOS-AS87.106.46.0/24 IONOS SE ber.de | ||||||
| PTR | ip87-106-46-64.pbiaas.com | ||||||
| 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.runningcore.de ⭐ | ||||||
| A | 194.55.13.125🇩🇪 netcup-AS194.55.12.0/22 | ||||||
| PTR | mail.runningcore.de | ||||||
| TXT | v=spf1 mx ip4:194.55.13.125/32 -all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-04-14 #93 | ||||||
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=1786442127 | ||||||
Subdomains
mail.runningcore.de |
Same first word
runningcore.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSroot-dns.netcup.net2026-02-18 → 2026-08-11 · 2 obs
● 2026-08-11 10:29:36
●NSsecond-dns.netcup.net2026-02-18 → 2026-08-11 · 2 obs
● 2026-08-11 10:29:36
●NSthird-dns.netcup.net2026-02-18 → 2026-08-11 · 2 obs
● 2026-08-11 10:29:36
●MXmail.runningcore.de2026-02-18 → 2026-08-11 · 2 obs
● 2026-08-11 10:29:36
●A87.106.46.642026-02-18 → 2026-08-11 · 2 obs
● 2026-08-11 10:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| runningcore.de | second-dns.netcup.net, third-dns.netcup.net, root-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: second-dns.netcup.net, third-dns.netcup.net, root-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for runningcore.de (unsigned zone)
⏱️ Timing
Total: 1015ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.106.46.64 |
| NS | 3 | third-dns.netcup.net, root-dns.netcup.net... |
| MX | 1 | mail.runningcore.de (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:194.55.13.125/32 -all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
runningcore.de serves as the parent of mail.runningcore.de.
IP Addresses
runningcore.de points to a single IP number: 87.106.46.64.
Other host names share IP numbers with runningcore.de; ip87-106-46-64.pbiaas.com is one such example.
Name Servers
Three name servers are authoritative for runningcore.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
runningcore.de has at least partial name server overlap with other domains, such as joberg.de, 4dl.de, 1plus.de and two others.
root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.
Mail Servers
runningcore.de has one mail server: mail.runningcore.de.
There is one IP number for mail.runningcore.de: 194.55.13.125.