borisbuehler.de - robtex.com

borisbuehler.de

DNSSEC⚠️ Not signed
A2a03:4000:30:16f1::10:5952🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A188.68.47.21🇩🇪 netcup-AS188.68.47.0/24
NSroot-dns.netcup.net ⭐
A2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRroot-dns.netcup.net
A46.38.225.225🇩🇪 netcup-AS46.38.225.0/24
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsecond-dns.netcup.net
A37.221.199.199🇩🇪 netcup-AS37.221.196.0/22
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH
PTRthird-dns.netcup.net
A188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH
PTRthird-dns.netcup.net
MXmail.borisbuehler.de ⭐
A188.68.47.23🇩🇪 netcup-AS188.68.47.0/24
PTRmx2f17.netcup.net
MXmx2f17.netcup.net(50)
A188.68.47.23🇩🇪 netcup-AS188.68.47.0/24
PTRmx2f17.netcup.net
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-02-13 #55

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1781588232

Subdomains

mail.borisbuehler.de

Same first word

borisbuehler.de

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netMXmail.borisbuehler.demx2f17.netcup.netmxf95c.netcup.netA188.68.47.212a03:4000:30:16f1::10:59522a03:4000:6:4068::237.120.165.3646.38.249.90
●NSroot-dns.netcup.net2015-07-13 → 2026-06-16 · 2 obs
● 2015-07-13 15:18:48
● 2026-06-16 06:00:56
●NSsecond-dns.netcup.net2015-07-13 → 2026-06-16 · 2 obs
● 2015-07-13 15:18:48
● 2026-06-16 06:00:56
●NSthird-dns.netcup.net2015-07-13 → 2026-06-16 · 2 obs
● 2015-07-13 15:18:48
● 2026-06-16 06:00:56
●MXmail.borisbuehler.de2015-07-13 → 2026-06-16 · 2 obs
● 2015-07-13 15:18:48
● 2026-06-16 06:00:56
●MXmx2f17.netcup.net2019-12-23 → 2026-06-16 · 3 obs
○ 2017-02-17 01:43:46
● 2019-12-23 16:34:12
● 2026-06-16 06:00:56
○MXmxf95c.netcup.net2017-02-17 → 2017-02-17 · 4 obs
○ 2015-07-13 15:18:48
● 2017-02-17 01:43:46
○ 2019-12-23 16:34:12
○ 2026-06-16 06:00:56
●A188.68.47.212019-12-23 → 2026-06-16 · 3 obs
○ 2017-02-17 01:43:46
● 2019-12-23 16:34:12
● 2026-06-16 06:00:56
●A2a03:4000:30:16f1::10:59522019-12-23 → 2026-06-16 · 3 obs
○ 2017-02-17 01:43:46
● 2019-12-23 16:34:12
● 2026-06-16 06:00:56
○A2a03:4000:6:4068::22016-07-04 → 2016-07-04 · 4 obs
○ 2015-07-13 15:18:48
● 2016-07-04 07:06:38
○ 2017-02-17 01:43:46
○ 2026-06-16 06:00:56
○A37.120.165.362015-07-13 → 2016-07-04 · 4 obs
● 2015-07-13 15:18:48
● 2016-07-04 07:06:38
○ 2017-02-17 01:43:46
○ 2026-06-16 06:00:56
○A46.38.249.902017-02-17 → 2017-02-17 · 4 obs
○ 2016-07-04 07:06:38
● 2017-02-17 01:43:46
○ 2019-12-23 16:34:12
○ 2026-06-16 06:00:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
borisbuehler.dethird-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net-

✅ Authoritative Response

Server:188.68.63.68

NS records: third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for borisbuehler.de (unsigned zone)

⏱️ Timing

Total: 1048ms | Queries: -

📄 Records

TypeCountSample Data
A1188.68.47.21
AAAA12a03:4000:30:16f1::10:5952
NS3root-dns.netcup.net, third-dns.netcup.net...
MX2mail.borisbuehler.de (pri: 10), mx2f17.netcup.net (pri: 50)
TXT1v=spf1 mx a include:_spf.webhosting.syst
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

Hierarchy

mail.borisbuehler.de is a subdomain of borisbuehler.de.

IP Addresses

borisbuehler.de points to the IP addresses 188.68.47.21 and 2a03:4000:30:16f1::10:5952

Two other host names, along with roether-huwald.com, hd-info.de and supportbirb.de, also share IP numbers with borisbuehler.de.

Name Servers

The authoritative name servers for borisbuehler.de are root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — three in total.

The name servers of borisbuehler.de overlap at least partially with those of other domains — among them usov.pro, vornconsulting.de, gaertner-sattler.de and two more.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net all resolve to exactly two IP numbers apiece: root-dns.netcup.net → 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net → 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net → 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

borisbuehler.de is served by two mail servers, mail.borisbuehler.de and mx2f17.netcup.net.

There is at least a partial MX overlap between borisbuehler.de and other domains, including db-extern.de, 9if.de, angelninrostock.de and two others.

mail.borisbuehler.de resolves to 188.68.47.23; mx2f17.netcup.net resolves to the same IP address, 188.68.47.23.

Both mail.borisbuehler.de and mx2f17.netcup.net resolve to 188.68.47.23 IP addresses each.