markus-kohn.com - robtex.com

markus-kohn.com

DNSSEC⚠️ Not signed
A2a03:4000:30:5578::12:1964🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A188.68.47.187🇩🇪 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.markus-kohn.com ⭐
MXmx2fbd.netcup.net(50)
A2a03:4000:0:336:142f:66ff:fea4:2dce🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRmx2fbd.netcup.net
A188.68.47.189🇩🇪 netcup-AS188.68.47.0/24
PTRmx2fbd.netcup.net
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-03-21 #18

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784942627

Same first word

markus-kohn.com

DNS History

12 records (7 active, 5 former)

200920112013201520172019202120232025NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netns55.1und1.dens56.1und1.deMXmail.markus-kohn.commx2fbd.netcup.netmx00.kundenserver.demx01.kundenserver.deA188.68.47.1872a03:4000:30:5578::12:196482.165.218.112
○NSns55.1und1.de2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 18:29:52
○ 2015-11-01 01:10:38
○ 2026-07-25 01:45:06
○NSns56.1und1.de2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 18:29:52
○ 2015-11-01 01:10:38
○ 2026-07-25 01:45:06
●NSroot-dns.netcup.net2020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
●NSsecond-dns.netcup.net2020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
●NSthird-dns.netcup.net2020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
●MXmail.markus-kohn.com2020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
○MXmx00.kundenserver.de2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 18:29:52
○ 2015-11-01 01:10:38
○ 2026-07-25 01:45:06
○MXmx01.kundenserver.de2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 18:29:52
○ 2015-11-01 01:10:38
○ 2026-07-25 01:45:06
●MXmx2fbd.netcup.net2020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
●A188.68.47.1872020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
●A2a03:4000:30:5578::12:19642020-02-03 → 2026-07-25 · 3 obs
○ 2015-11-01 01:10:38
● 2020-02-03 10:20:36
● 2026-07-25 01:45:06
○A82.165.218.1122008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 18:29:52
○ 2015-11-01 01:10:38
○ 2026-07-25 01:45:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...-
markus-kohn.comroot-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net-

✅ 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 markus-kohn.com (unsigned zone)

⏱️ Timing

Total: 2455ms | Queries: -

📄 Records

TypeCountSample Data
A1188.68.47.187
AAAA12a03:4000:30:5578::12:1964
NS3root-dns.netcup.net, third-dns.netcup.net...
MX2mx2fbd.netcup.net (pri: 50), mail.markus-kohn.com (pri: 10)
TXT1v=spf1 mx a include:_spf.webhosting.syst
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

IP Addresses

markus-kohn.com points to the IP addresses 188.68.47.187 and 2a03:4000:30:5578::12:1964

Additional host names — www.fkarchiv.de, mx0.wirtschaftsfrauen-harz.de, unicycle-show.com and two others — share IP numbers with markus-kohn.com.

Name Servers

markus-kohn.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

At least some of markus-kohn.com's name servers are shared with other domains, for example event-textilien.de, marschalik.de, feuerwehrserver.de and two more.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: 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.

Mail Servers

markus-kohn.com has two mail servers: mail.markus-kohn.com and mx2fbd.netcup.net.

markus-kohn.com shares mail servers — at least in part — with other domains, including amz-ergebnis.at, sense-media.de, meldorf-seals.de and two others.

These mail servers are frequently used alongside the mail servers mail.amz-ergebnis.at, mail.sense-media.de and mail.meldorf-seals.de, plus two others.

Host names with two IP numbers:

mx2fbd.netcup.net points to 188.68.47.189 and 2a03:4000:0:336:142f:66ff:fea4:2dce.