rtc.eu - dns.ninja

rtc.eu

DNSSEC⚠️ Not signed
A2a00:1ed0:45::15🇨🇿 VSHOSTING2a00:1ed0::/32
PTRhyperion.blueboard.cz
A178.251.187.9🇨🇿 VSHOSTING178.251.184.0/21
NSshinzon.blueboard.cz ⭐
A2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32
PTRshinzon.blueboard.cz
A178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21
PTRshinzon.blueboard.cz
NSns2.blueboard.cz
A2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
PTRns2.blueboard.cz
MXmx.blueboard.cz ⭐
A2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRmx.blueboard.cz
A81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT
PTRmx.blueboard.cz
TXTv=spf1 a mx include:spf.blueboard.cz -all
SOAshinzon.blueboard.czhostmaster@blueboard.cz 2023-01-31 #79

eu

DNSSEC🔒 Signed (DS record present)
NSsi.dns.eu ⭐
NSbe.dns.eu
NSw.dns.eu
NSx.dns.eu
NSy.dns.eu
SOAsi.dns.eutech@eurid.eu serial=1126890892

Same first word

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rtc.net.au
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rtc.ie
rtc.com.pl
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rtc.synology.me
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rtc.com.tr
rtc.travel
rtc.la
rtc.org.au
rtc.es
rtc.com
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rtc.mx

Similar names

ctr.com.hk
trc.co
trc.com.tw
tcr.ro
trc.sa
ctr.in
crt.city
rct.be
crt.gob.mx
crt.com.co
rct.hr
ctr.hu
crt.in
trc.net.nz
tcr.enterprises
crt.construction
crt.co.jp
crt.cl
ctr.cm
crt.com.ar
ctr.ir
crt.red
trc.org
rct.nl
trc.cn
crt.li
trc.dev
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tcr.be
rct.cn
trc.fr
ctr.me
tcr.mobi
rct.com.au
crt.ch
rct.net.au
crt.sk
trc.cymru
ctr.info
ctr.hr
crt.me
trc.ro
ctr.com.tr
trc.modena.it
tcr.events
ctr.us
crt.com.au
trc.church
trc.us
ctr.com.cn
crt.org.vn
tcr.holdings
rct.ink
tcr.no
trc.tv
crt.at
tcr.at
crt.com
ctr.com.br
tcr.vn
crt.cz
trc.co.com
ctr.care
tcr.fr
trc.gov.om
ctr.ch
crt.name
ctr.it
crt.cloud
rct.cz
ctr.gov.me
trc.pt
trc.city
crt.agency
trc.tw
tcr.net
ctr.sk
ctr.rs
trc.govt.nz
trc.ch

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns2.blueboard.czshinzon.blueboard.czbolek.datim.czwenca.datim.czMXmx.blueboard.czA178.251.187.92a00:1ed0:45::15185.66.36.485.118.128.65
○NSbolek.datim.cz2015-09-01 → 2017-09-02 · 4 obs
● 2015-09-01 09:29:42
● 2017-09-02 01:17:12
○ 2026-02-20 02:54:06
○ 2026-08-08 20:44:00
●NSns2.blueboard.cz2026-02-20 → 2026-08-08 · 3 obs
○ 2017-09-02 01:17:12
● 2026-02-20 02:54:06
● 2026-08-08 20:44:00
●NSshinzon.blueboard.cz2026-02-20 → 2026-08-08 · 3 obs
○ 2017-09-02 01:17:12
● 2026-02-20 02:54:06
● 2026-08-08 20:44:00
○NSwenca.datim.cz2015-09-01 → 2017-09-02 · 4 obs
● 2015-09-01 09:29:42
● 2017-09-02 01:17:12
○ 2026-02-20 02:54:06
○ 2026-08-08 20:44:00
●MXmx.blueboard.cz2026-02-20 → 2026-08-08 · 2 obs
● 2026-02-20 02:54:06
● 2026-08-08 20:44:00
●A178.251.187.92026-02-20 → 2026-08-08 · 3 obs
○ 2017-09-02 01:17:12
● 2026-02-20 02:54:06
● 2026-08-08 20:44:00
○A185.66.36.42016-04-30 → 2017-09-02 · 5 obs
○ 2016-02-10 17:38:54
● 2016-04-30 17:05:36
● 2017-09-02 01:17:12
○ 2026-02-20 02:54:06
○ 2026-08-08 20:44:00
●A2a00:1ed0:45::152026-02-20 → 2026-08-08 · 3 obs
○ 2017-09-02 01:17:12
● 2026-02-20 02:54:06
● 2026-08-08 20:44:00
○A85.118.128.652015-09-01 → 2016-02-10 · 4 obs
● 2015-09-01 09:29:42
● 2016-02-10 17:38:54
○ 2016-04-30 17:05:36
○ 2026-08-08 20:44:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
euw.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...-
rtc.euns2.blueboard.cz, shinzon.blueboard.cz-

✅ Authoritative Response

Server:178.251.187.7

NS records: ns2.blueboard.cz, shinzon.blueboard.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtc.eu (unsigned zone)

⏱️ Timing

Total: 855ms | Queries: -

📄 Records

TypeCountSample Data
A1178.251.187.9
AAAA12a00:1ed0:45::15
NS2ns2.blueboard.cz, shinzon.blueboard.cz
MX1mx.blueboard.cz (pri: 10)
TXT1v=spf1 a mx include:spf.blueboard.cz -al
SOA1shinzon.blueboard.cz hostmaster.blueboar

Analysis

IP Addresses

rtc.eu resolves to the IP addresses 178.251.187.9 and 2a00:1ed0:45::15

Additional host names — algoman.cz, mailin2.moldavite.cz, zckariera.cz and two others — share IP numbers with rtc.eu.

Name Servers

The NS records for rtc.eu delegate to ns2.blueboard.cz and shinzon.blueboard.cz.

rtc.eu shares its name server setup with other domains, including branny.eu, darmy.net, exefloorball.eu and two others.

rtc.eu has at least partial name server overlap with other domains, such as cfbu.cz, pr-clanky.net, dksoft.cz and two others.

It is common to see these name servers used together with name servers jaguar.blueboard.cz and ns2.miniserver.cz.

ns2.blueboard.cz resolves to 195.201.57.122 and 2a01:4f8:13b:8d4::2. Likewise, shinzon.blueboard.cz resolves to 178.251.187.7 and 2a00:1ed0:45::b — two IP addresses apiece.

Mail Servers

rtc.eu has one mail server: mx.blueboard.cz.

rtc.eu shares the same mail server setup as other domains, including hd-forum.cz, globetter.cz, selectsportsagency.com and two others.

mx.blueboard.cz has two IP addresses: 81.0.209.130 and 2001:1528:240::ca.