grebners.de - robtex.com
grebners.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:4797::11:8409🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 188.68.47.147🇩🇪 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 | ||||||
| MX | mail.grebners.de ⭐ | ||||||
| A | 188.68.47.149🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f95.netcup.net | ||||||
| MX | mx2f95.netcup.net(50) | ||||||
| A | 188.68.47.149🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f95.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-02-04 #21 | ||||||
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=1786608644 | ||||||
Subdomains
mail.grebners.de |
Same first word
grebners.de |
Similar names
bergners.de |
bergners.com |
snebergr.cz |
bergners.se |
rensberg.be |
rensberg.com |
rensberg.nl |
rengbers.com |
bergners.eu |
brengers.com |
rengbers.de |
rsbergen.de |
renbergs.com |
rensberg.de |
renbergs.se |
DNS History
11 records (7 active, 4 former)
○NSns1.sitorix.de2015-07-09 → 2018-11-28 · 4 obs
● 2018-11-28 06:59:38
○ 2026-06-16 17:30:20
○ 2026-08-13 08:46:54
○NSns2.sitorix.de2015-07-09 → 2018-11-28 · 4 obs
● 2018-11-28 06:59:38
○ 2026-06-16 17:30:20
○ 2026-08-13 08:46:54
○NSns3.sitorix.de2015-07-09 → 2018-11-28 · 4 obs
● 2018-11-28 06:59:38
○ 2026-06-16 17:30:20
○ 2026-08-13 08:46:54
●NSroot-dns.netcup.net2026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
●NSsecond-dns.netcup.net2026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
●NSthird-dns.netcup.net2026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
●MXmail.grebners.de2015-07-09 → 2026-08-13 · 2 obs
● 2026-08-13 08:46:54
●MXmx2f95.netcup.net2026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
●A188.68.47.1472026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
●A2a03:4000:30:4797::11:84092026-06-16 → 2026-08-13 · 3 obs
● 2026-06-16 17:30:20
● 2026-08-13 08:46:54
○A85.190.26.102015-07-09 → 2018-11-28 · 4 obs
● 2018-11-28 06:59:38
○ 2026-06-16 17:30:20
○ 2026-08-13 08:46:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| grebners.de | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grebners.de (unsigned zone)
⏱️ Timing
Total: 1680ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.47.147 |
| AAAA | 1 | 2a03:4000:30:4797::11:8409 |
| NS | 3 | third-dns.netcup.net, root-dns.netcup.net... |
| MX | 2 | mail.grebners.de (pri: 10), mx2f95.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
mail.grebners.de is delegated beneath grebners.de.
IP Addresses
grebners.de has two IP addresses: 188.68.47.147 and 2a03:4000:30:4797::11:8409
artes-liberales.de, simby.de, www.easy-vdr.de and two other host names share IP numbers with grebners.de.
Name Servers
Three name servers are authoritative for grebners.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between grebners.de and other domains — gdrn.de, hctec-server.de, codebeaver.de and two more among them.
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
Mail for grebners.de is handled by two mail servers — mail.grebners.de and mx2f95.netcup.net.
grebners.de has at least partial mail server overlap with other domains such as natter.info, vidok.nl, balsberg.de and two more.
These mail servers are routinely seen in conjunction with the mail servers mail.natter.info and mail.vidok.nl.
mail.grebners.de and mx2f95.netcup.net share one IP address between them — 188.68.47.149.
These two host names — mail.grebners.de and mx2f95.netcup.net — each point to 188.68.47.149 IP addresses.