isl.cz - robtex.com

isl.cz

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=1784072842

Previously MX for

Same first word

Similar names

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSgamma1.rdrhost.comgamma2.rdrhost.comns.parktons.comns.forpsi.czns.forpsi.itns.forpsi.netMXmail.parktons.comisl.czA78.141.239.24881.2.210.69
NSgamma1.rdrhost.com2026-06-13 → 2026-07-15 · 3 obs
○ 2021-01-05 09:29:52
● 2026-06-13 08:58:16
● 2026-07-15 00:29:44
NSgamma2.rdrhost.com2026-06-13 → 2026-07-15 · 3 obs
○ 2021-01-05 09:29:52
● 2026-06-13 08:58:16
● 2026-07-15 00:29:44
NSns.forpsi.cz2015-08-17 → 2017-01-03 · 4 obs
● 2015-08-17 21:06:48
● 2017-01-03 02:31:52
○ 2021-01-05 09:29:52
○ 2026-07-15 00:29:44
NSns.forpsi.it2015-08-17 → 2017-01-03 · 4 obs
● 2015-08-17 21:06:48
● 2017-01-03 02:31:52
○ 2021-01-05 09:29:52
○ 2026-07-15 00:29:44
NSns.forpsi.net2015-08-17 → 2017-01-03 · 4 obs
● 2015-08-17 21:06:48
● 2017-01-03 02:31:52
○ 2021-01-05 09:29:52
○ 2026-07-15 00:29:44
NSns.parktons.com2026-06-13 → 2026-07-15 · 3 obs
○ 2021-01-05 09:29:52
● 2026-06-13 08:58:16
● 2026-07-15 00:29:44
MXisl.cz2015-08-17 → 2017-01-03 · 4 obs
● 2015-08-17 21:06:48
● 2017-01-03 02:31:52
○ 2021-01-05 09:29:52
○ 2026-07-15 00:29:44
MXmail.parktons.com2026-06-13 → 2026-07-15 · 3 obs
○ 2021-01-05 09:29:52
● 2026-06-13 08:58:16
● 2026-07-15 00:29:44
A78.141.239.2482026-06-13 → 2026-07-15 · 3 obs
○ 2021-01-05 09:29:52
● 2026-06-13 08:58:16
● 2026-07-15 00:29:44
A81.2.210.692015-08-17 → 2017-01-03 · 4 obs
● 2015-08-17 21:06:48
● 2017-01-03 02:31:52
○ 2021-01-05 09:29:52
○ 2026-07-15 00:29:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
isl.czgamma1.rdrhost.com, gamma2.rdrhost.com-

✅ Authoritative Response

Server:45.77.230.88

NS records: gamma1.rdrhost.com, gamma2.rdrhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isl.cz (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

TypeCountSample Data
A178.141.239.248
NS2gamma1.rdrhost.com, gamma2.rdrhost.com
MX1mail.parktons.com (pri: 10)
SOA1ns.parktons.com root.parktons.com

Analysis

IP Addresses

isl.cz points to a single IP number: 78.141.239.248.

Additional host names — nutrimax.cz, www.nore.cz, webcode.cz and two others — share IP numbers with isl.cz.

Name Servers

Three name servers are authoritative for isl.cz: ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com.

There is at least partial name server overlap between isl.cz and other domains — 35.218.117.217.in-addr.arpa, mail.adults.cz, smtp.4love.cz and two more among them.

These name servers regularly appear alongside ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 6 other name servers in NS record sets.

Three hostnames, one IP address apiece: ns.parktons.com resolves to 46.8.8.88, gamma1.rdrhost.com resolves to 78.141.239.248 and gamma2.rdrhost.com resolves to 45.77.230.88.

Mail Servers

isl.cz has one mail server: mail.parktons.com.

isl.cz shares the same mail server setup as other domains, including mail.vbu.cz, www.zz3r0.com, ucko.cz and two others.

There is one IP number for mail.parktons.com: 155.138.212.151.