counterexamples.net - robtex.com

counterexamples.net

DNSSEC⚠️ Not signed
A185.214.120.200🇩🇪 KOMRO-AS185.214.120.0/22
PTRproxy.ronet.de
NSdns2.ronet.de ⭐
A2a01:4f8:1c1c:ce4c::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRsmtp2.ronet.de
A49.13.201.152🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC
PTRsmtp2.ronet.de
NSdns.ronet.de
A2a0b:9940:0:200::120:2🇩🇪 KOMRO-AS2a0b:9940::/32
PTRdns.ronet.de
A185.214.120.2🇩🇪 KOMRO-AS185.214.120.0/22
PTRdns.ronet.de
NSdns3.ronet.de
A2a02:c206:3010:4909::1🇩🇪 CONTABO2a02:c206::/32
PTRsmtp3.ronet.de
A217.76.62.108🇩🇪 CONTABO217.76.48.0/20
PTRsmtp3.ronet.de
MXmx1.ronet.de ⭐
A185.214.120.44🇩🇪 KOMRO-AS185.214.120.0/22
PTRmx1.ronet.de
MXmx2.ronet.de(20)
A185.214.120.45🇩🇪 KOMRO-AS185.214.120.0/22
PTRmx2.ronet.de
MXmx-nix.ronet.de(100)
A185.214.120.47🇩🇪 KOMRO-AS185.214.120.0/22
PTRmx-nix.ronet.de
SOAdns.ronet.dehostmaster@ronet.de 2023-05-09 #1

net

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=1775025992

Previously MX for

counterexamples.net

Same first word

counterexamples.info
counterexamples.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSdns.ronet.dedns2.ronet.dedns3.ronet.dens.stratoserver.netns2.stratoserver.netns3.stratoserver.netns4.stratoserver.netMXmx-nix.ronet.demx1.ronet.demx2.ronet.decounterexamples.netA185.214.120.20078.137.98.2685.214.99.115
●NSdns.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
●NSdns2.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
●NSdns3.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
○NSns.stratoserver.net2015-08-05 → 2016-08-08 · 4 obs
● 2015-08-05 08:33:14
● 2016-08-08 05:09:02
○ 2017-04-07 17:04:30
○ 2026-04-01 07:02:14
○NSns2.stratoserver.net2015-08-05 → 2016-08-08 · 4 obs
● 2015-08-05 08:33:14
● 2016-08-08 05:09:02
○ 2017-04-07 17:04:30
○ 2026-04-01 07:02:14
○NSns3.stratoserver.net2017-04-07 → 2017-04-07 · 4 obs
○ 2016-08-08 05:09:02
● 2017-04-07 17:04:30
○ 2026-02-16 12:40:20
○ 2026-04-01 07:02:14
○NSns4.stratoserver.net2017-04-07 → 2017-04-07 · 4 obs
○ 2016-08-08 05:09:02
● 2017-04-07 17:04:30
○ 2026-02-16 12:40:20
○ 2026-04-01 07:02:14
○MXcounterexamples.net2015-08-05 → 2017-04-07 · 4 obs
● 2015-08-05 08:33:14
● 2017-04-07 17:04:30
○ 2026-02-16 12:40:20
○ 2026-04-01 07:02:14
●MXmx-nix.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
●MXmx1.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
●MXmx2.ronet.de2026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
●A185.214.120.2002026-02-16 → 2026-04-01 · 3 obs
○ 2017-04-07 17:04:30
● 2026-02-16 12:40:20
● 2026-04-01 07:02:14
○A78.137.98.262015-12-18 → 2017-04-07 · 5 obs
○ 2015-08-05 08:33:14
● 2015-12-18 08:59:24
● 2017-04-07 17:04:30
○ 2026-02-16 12:40:20
○ 2026-04-01 07:02:14
○A85.214.99.1152015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 08:33:14
○ 2015-12-18 08:59:24
○ 2026-04-01 07:02:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...-
counterexamples.netdns.ronet.de, dns2.ronet.de, dns3.ronet.de-

✅ Authoritative Response

Server:217.76.62.108

NS records: dns.ronet.de, dns2.ronet.de, dns3.ronet.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for counterexamples.net (unsigned zone)

⏱️ Timing

Total: 1026ms | Queries: -

📄 Records

TypeCountSample Data
A1185.214.120.200
NS3dns3.ronet.de, dns2.ronet.de...
MX3mx1.ronet.de (pri: 10), mx-nix.ronet.de (pri: 100)...
SOA1dns.ronet.de hostmaster.ronet.de

Analysis

IP Addresses

counterexamples.net points to a single IP number: 185.214.120.200.

other host names for instance rv-stiftung.de, tee-maker.net, stadtwerke-rosenheim-netze.de, reflexsave.com and die-kaffeeingenieurin.com share IP numbers with counterexamples.net.

Name Servers

counterexamples.net is delegated to three name servers: dns2.ronet.de, dns3.ronet.de and dns.ronet.de.

counterexamples.net at least partially shares name servers with other domains, for instance lhk.de, diarco.de, stark-ps.de, diepremiummakler.de and sat.de.

Host names with two IP numbers:

Host dns2.ronet.de points to 2a01:4f8:1c1c:ce4c::1 and 49.13.201.152.

Host dns3.ronet.de points to 2a02:c206:3010:4909::1 and 217.76.62.108.

Host dns.ronet.de points to 2a0b:9940:0:200::120:2 and 185.214.120.2.

Mail Servers

counterexamples.net is handled by three mail servers: mx-nix.ronet.de, mx1.ronet.de and mx2.ronet.de.

counterexamples.net shares mail servers with other domains at least partially, including absolutapo.at, bambinetta-secondhand.de, kraniasan.com, wellergy.de and pichler-etech.de.

Host names with one IP number:

mx-nix.ronet.de points to 185.214.120.47.

mx1.ronet.de points to 185.214.120.44.

mx2.ronet.de points to 185.214.120.45.