academic.cz - robtex.com

academic.cz

DNSSEC⚠️ Not signed
A57.129.31.175🇫🇷 OVH57.129.0.0/17
NSns-190.awsdns-23.com ⭐
A2600:9000:5300:be00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-190.awsdns-23.com
A205.251.192.190🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-190.awsdns-23.com
NSns-1117.awsdns-11.org
A2600:9000:5304:5d00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1117.awsdns-11.org
A205.251.196.93🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1117.awsdns-11.org
NSns-1586.awsdns-06.co.uk
A2600:9000:5306:3200::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1586.awsdns-06.co.uk
A205.251.198.50🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1586.awsdns-06.co.uk
NSns-834.awsdns-40.net
A2600:9000:5303:4200::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-834.awsdns-40.net
A205.251.195.66🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-834.awsdns-40.net
MX97ee51ca3ed2367e.mx2.emailprofi.seznam.cz ⭐
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
MX97ee51ca3ed2367e.mx1.emailprofi.seznam.cz(20)
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
SOAns-190.awsdns-23.comawsdns-hostmaster@amazon.com serial=1

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1784423843

Same first word

academic.ps
academic.no
academic.careers
academic.barclays
academic.agency
academic.fr
academic.online
academic.ie
academic.guide
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academic.be
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academic.com.ua
academic.ru
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academic.pro
academic.ro
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academic.al
academic.com
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academic.com.sg
academic.or.jp
academic.co.jp
academic.ac.cn
academic.cz
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academic.org.il
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academic.bio
academic.ir
academic.kiev.ua
academic.com.mx
academic.lat
academic.com.br
academic.co
academic.mx
academic.properties
academic.life
academic.ch
academic.name
academic.world
academic.at
academic.gr
academic.ca
academic.cc
academic.academy
academic.mobi
academic.net
academic.energy
academic.amsterdam

Similar names

accademi.com
cacmedia.com
madeccia.com
ccamedia.com
accmedia.de
acmedica.com
ccamedia.net
diamecca.com
mideacac.gr
camedica.com
accmedia.net
accmedia.com.au
accmedia.co
camedica.pl
acmedica.es
acmedica.ru
cacmedia.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns-1117.awsdns-11.orgns-1586.awsdns-06.co.ukns-190.awsdns-23.comns-834.awsdns-40.netalfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skns.dns4.czMX97ee51ca3ed2367e.mx1.emailprofi.seznam.cz97ee51ca3ed2367e.mx2.emailprofi.seznam.czmailgw1.trigema.czmailgw2.trigema.czA57.129.31.17581.91.84.73
○NSalfa.ns.active24.cz2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
○NSbeta.ns.active24.cz2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
○NSgama.ns.active24.sk2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
●NSns-1117.awsdns-11.org2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
●NSns-1586.awsdns-06.co.uk2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
●NSns-190.awsdns-23.com2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
●NSns-834.awsdns-40.net2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
○NSns.dns4.cz2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
●MX97ee51ca3ed2367e.mx1.emailprofi.seznam.cz2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
●MX97ee51ca3ed2367e.mx2.emailprofi.seznam.cz2026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
○MXmailgw1.trigema.cz2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
○MXmailgw2.trigema.cz2015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10
●A57.129.31.1752026-06-14 → 2026-07-19 · 3 obs
○ 2017-03-18 09:43:50
● 2026-06-14 20:19:18
● 2026-07-19 02:03:10
○A81.91.84.732015-07-05 → 2017-03-18 · 4 obs
● 2015-07-05 06:57:40
● 2017-03-18 09:43:50
○ 2026-06-14 20:19:18
○ 2026-07-19 02:03:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz-
academic.czns-190.awsdns-23.com, ns-834.awsdns-40.net, ns-1117.awsdns-11.org, ns-1586.awsdns-06.co.uk-

✅ Authoritative Response

Server:205.251.198.50

NS records: ns-190.awsdns-23.com, ns-834.awsdns-40.net, ns-1117.awsdns-11.org, ns-1586.awsdns-06.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for academic.cz (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

TypeCountSample Data
A157.129.31.175
NS4ns-1117.awsdns-11.org, ns-1586.awsdns-06.co.uk...
MX297ee51ca3ed2367e.mx2.emailprofi.seznam.c, 97ee51ca3ed2367e.mx1.emailprofi.seznam.c
SOA1ns-190.awsdns-23.com awsdns-hostmaster.a

Analysis

IP Addresses

academic.cz directs to one IP number, which is 57.129.31.175.

Among the host names that share IP numbers with academic.cz are eurostudy.cz, null.eurostudy.cz, www.msmsport.eu and two others.

Name Servers

The domain academic.cz is delegated to these four name servers: ns-190.awsdns-23.com, ns-834.awsdns-40.net, ns-1117.awsdns-11.org and ns-1586.awsdns-06.co.uk.

academic.cz has at least partial name server overlap with other domains, such as kona.dog, growmodel.org, 0.238.64.in-addr.arpa and two others.

ns-190.awsdns-23.com, ns-834.awsdns-40.net, ns-1117.awsdns-11.org and ns-1586.awsdns-06.co.uk all point to exactly two IP numbers each: ns-190.awsdns-23.com → 205.251.192.190 and 2600:9000:5300:be00::1; ns-834.awsdns-40.net → 205.251.195.66 and 2600:9000:5303:4200::1; ns-1117.awsdns-11.org → 205.251.196.93 and 2600:9000:5304:5d00::1; ns-1586.awsdns-06.co.uk → 205.251.198.50 and 2600:9000:5306:3200::1.

Mail Servers

The MX records for academic.cz point to two mail servers: 97ee51ca3ed2367e.mx1.emailprofi.seznam.cz and 97ee51ca3ed2367e.mx2.emailprofi.seznam.cz.

Both 97ee51ca3ed2367e.mx1.emailprofi.seznam.cz and 97ee51ca3ed2367e.mx2.emailprofi.seznam.cz have two IP addresses each. 97ee51ca3ed2367e.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056; 97ee51ca3ed2367e.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146.