gres.cz - dns.ninja

gres.cz

DNSSEC🔒 Signed (DS record present)
A217.16.184.152🇨🇿 VSHOSTING217.16.176.0/20 III.
PTRshean.vshosting.cz
NSns1.thinline.cz
A2001:67c:e94:0:1:5bef:c8f3:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot
PTRns1.thinline.cz
A91.239.200.243🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot
PTRns1.thinline.cz
NSns2.thinline.cz
A2001:4de8:fa22:0:1:5264:602:1🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.
PTRns2.thinline.cz
A82.100.6.2🇨🇿 QUANTCOM-AS82.100.0.0/18 Dial Telecom, a.s.
PTRns2.thinline.cz
NSns3.cesky-hosting.eu
A2001:67c:e94:1:1:5bef:ca12:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot
PTRns3.cesky-hosting.eu
A91.239.202.18🇨🇿 Blindspot91.239.202.0/23 THINLINE-BlindSpot
PTRns3.cesky-hosting.eu
MXmx1d10.thinline.cz
A2001:67c:e94:0:1:5bef:c80e:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot
PTRmx1d10.thinline.cz
A91.239.200.14🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot
PTRmx1d10.thinline.cz
MXmx1b20.thinline.cz(20)
A2001:4de8:fa22:0:1:5264:603:1🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.
PTRmx1b20.thinline.cz
A82.100.6.3🇨🇿 QUANTCOM-AS82.100.0.0/18 Dial Telecom, a.s.
PTRmx1b20.thinline.cz
TXTgoogle-site-verification=FUm2l8FK29C-LaXLN0Vv1qdVDcXqpMH4QN9ycAMxzlM
TXTv=spf1 a include:spf.cesky-hosting.cz include:servers.mcsv.net -all
SOAns1.thinline.czhostmaster@gres.cz serial=1533053889

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=1785068240

Same first word

Similar names

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns1.thinline.czns2.thinline.czns3.cesky-hosting.euMXmx1b20.thinline.czmx1d10.thinline.czA217.16.184.1522a00:1ed0:2:0:1:5bef:c81e:191.239.200.30
NSns1.thinline.cz2015-08-20 → 2026-07-26 · 2 obs
● 2015-08-20 16:10:48
● 2026-07-26 13:28:56
NSns2.thinline.cz2015-08-20 → 2026-07-26 · 2 obs
● 2015-08-20 16:10:48
● 2026-07-26 13:28:56
NSns3.cesky-hosting.eu2015-08-20 → 2026-07-26 · 2 obs
● 2015-08-20 16:10:48
● 2026-07-26 13:28:56
MXmx1b20.thinline.cz2015-08-20 → 2026-07-26 · 2 obs
● 2015-08-20 16:10:48
● 2026-07-26 13:28:56
MXmx1d10.thinline.cz2015-08-20 → 2026-07-26 · 2 obs
● 2015-08-20 16:10:48
● 2026-07-26 13:28:56
A217.16.184.1522017-09-23 → 2026-07-26 · 3 obs
○ 2016-12-21 02:28:30
● 2017-09-23 21:41:30
● 2026-07-26 13:28:56
A2a00:1ed0:2:0:1:5bef:c81e:12015-08-20 → 2016-12-21 · 4 obs
● 2015-08-20 16:10:48
● 2016-12-21 02:28:30
○ 2017-09-23 21:41:30
○ 2026-07-26 13:28:56
A91.239.200.302015-08-20 → 2016-12-21 · 4 obs
● 2015-08-20 16:10:48
● 2016-12-21 02:28:30
○ 2017-09-23 21:41:30
○ 2026-07-26 13:28:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
gres.czns3.cesky-hosting.eu, ns2.thinline.cz, ns1.thinline.cz4 records

✅ Authoritative Response

Server:91.239.202.18

NS records: ns3.cesky-hosting.eu, ns2.thinline.cz, ns1.thinline.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3984ms | Queries: -

📄 Records

TypeCountSample Data
A1217.16.184.152
NS3ns2.thinline.cz, ns3.cesky-hosting.eu...
MX2mx1d10.thinline.cz (pri: 10), mx1b20.thinline.cz (pri: 20)
TXT2v=spf1 a include:spf.cesky-hosting.cz in, google-site-verification=FUm2l8FK29C-LaX
SOA1ns1.thinline.cz hostmaster.gres.cz

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)

Analysis

IP Addresses

gres.cz has exactly one IP address — 217.16.184.152.

bagmaster.pl, shean.vshosting.cz, mail.vranovsko.cz plus two other host names have IP numbers in common with gres.cz.

Name Servers

gres.cz has three name servers — ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu.

At least some of gres.cz's name servers are shared with other domains, for example sandrodragoj.com, detai.cz, roofix.cz and two more.

Each of ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu points to two IP numbers. ns1.thinline.cz points to 91.239.200.243 and 2001:67c:e94:0:1:5bef:c8f3:1. ns2.thinline.cz points to 82.100.6.2 and 2001:4de8:fa22:0:1:5264:602:1. ns3.cesky-hosting.eu points to 91.239.202.18 and 2001:67c:e94:1:1:5bef:ca12:1.

Mail Servers

gres.cz uses two mail servers, mx1b20.thinline.cz and mx1d10.thinline.cz.

The mail server setup of gres.cz matches that of other domains such as up-net.cz, vacsfactory.dk, almat.cz and two others.

At least a portion of gres.cz's mail servers are shared with other domains, among them ideadesign.cz and urga.cz.

Both mx1b20.thinline.cz and mx1d10.thinline.cz have two IP addresses each. mx1b20.thinline.cz resolves to 82.100.6.3 and 2001:4de8:fa22:0:1:5264:603:1; mx1d10.thinline.cz resolves to 91.239.200.14 and 2001:67c:e94:0:1:5bef:c80e:1.