modov.cz - robtex.com

modov.cz

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:2873πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3108::ac42:2b8dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.66.40.115πŸ‡ΊπŸ‡Έ Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.66.43.141πŸ‡ΊπŸ‡Έ Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSjim.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjim.ns.cloudflare.com
A2803:f800:50::6ca2:c17dπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjim.ns.cloudflare.com
A2a06:98c1:50::ac40:217dπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjim.ns.cloudflare.com
A108.162.193.125πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjim.ns.cloudflare.com
A172.64.33.125πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjim.ns.cloudflare.com
A173.245.59.125πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjim.ns.cloudflare.com
NSkarina.ns.cloudflare.com
A2606:4700:50::adf5:3ab2πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarina.ns.cloudflare.com
A2803:f800:50::6ca2:c0b2πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkarina.ns.cloudflare.com
A2a06:98c1:50::ac40:20b2πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRkarina.ns.cloudflare.com
A108.162.192.178πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarina.ns.cloudflare.com
A172.64.32.178πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarina.ns.cloudflare.com
A173.245.58.178πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarina.ns.cloudflare.com
MXmailin1.modov.cz ⭐
A2a00:4b40:aaaa:2101:45:13:137:8πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u6-mx.websupport.sk
A45.13.137.8πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRmx20.websupport.at
MXmailin2.modov.cz(100)
A2a00:4b40:aaaa:2101:45:13:137:9πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRm1-u7-mx.websupport.sk
A45.13.137.9πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u7-mx.websupport.sk
TXTv=spf1 a mx include:_spf.m1.websupport.sk ?all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints172.66.40.115, 172.66.43.141
IPv6 hints2606:4700:3108::ac42:2873, 2606:4700:3108::ac42:2b8d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAjim.ns.cloudflare.comdns@cloudflare.com serial=2411380277

cz

DNSSECπŸ”’ 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=1786526243

Subdomains

Same first word

Similar names

DNS History

12 records (8 active, 4 former)

NSjim.ns.cloudflare.comkarina.ns.cloudflare.comMXmailin1.modov.czmailin2.modov.czA172.66.40.115172.66.43.1412606:4700:3108::ac42:28732606:4700:3108::ac42:2b8d188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSjim.ns.cloudflare.com2026-03-02 β†’ 2026-08-12 Β· 2 obs
● 2026-03-02 13:34:34
● 2026-08-12 09:35:28
●NSkarina.ns.cloudflare.com2026-03-02 β†’ 2026-08-12 Β· 2 obs
● 2026-03-02 13:34:34
● 2026-08-12 09:35:28
●MXmailin1.modov.cz2026-03-02 β†’ 2026-08-12 Β· 2 obs
● 2026-03-02 13:34:34
● 2026-08-12 09:35:28
●MXmailin2.modov.cz2026-03-02 β†’ 2026-08-12 Β· 2 obs
● 2026-03-02 13:34:34
● 2026-08-12 09:35:28
●A172.66.40.1152026-07-11 β†’ 2026-08-12 Β· 3 obs
β—‹ 2026-03-02 13:34:34
● 2026-07-11 02:11:42
● 2026-08-12 09:35:28
●A172.66.43.1412026-07-11 β†’ 2026-08-12 Β· 3 obs
β—‹ 2026-03-02 13:34:34
● 2026-07-11 02:11:42
● 2026-08-12 09:35:28
β—‹A188.114.96.02026-03-02 β†’ 2026-03-02 Β· 3 obs
● 2026-03-02 13:34:34
β—‹ 2026-07-11 02:11:42
β—‹ 2026-08-12 09:35:28
β—‹A188.114.97.02026-03-02 β†’ 2026-03-02 Β· 3 obs
● 2026-03-02 13:34:34
β—‹ 2026-07-11 02:11:42
β—‹ 2026-08-12 09:35:28
●A2606:4700:3108::ac42:28732026-07-11 β†’ 2026-08-12 Β· 3 obs
β—‹ 2026-03-02 13:34:34
● 2026-07-11 02:11:42
● 2026-08-12 09:35:28
●A2606:4700:3108::ac42:2b8d2026-07-11 β†’ 2026-08-12 Β· 3 obs
β—‹ 2026-03-02 13:34:34
● 2026-07-11 02:11:42
● 2026-08-12 09:35:28
β—‹A2a06:98c1:3120::2026-03-02 β†’ 2026-03-02 Β· 3 obs
● 2026-03-02 13:34:34
β—‹ 2026-07-11 02:11:42
β—‹ 2026-08-12 09:35:28
β—‹A2a06:98c1:3121::2026-03-02 β†’ 2026-03-02 Β· 3 obs
● 2026-03-02 13:34:34
β—‹ 2026-07-11 02:11:42
β—‹ 2026-08-12 09:35:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
modov.czjim.ns.cloudflare.com, karina.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.33.125

NS records: jim.ns.cloudflare.com, karina.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for modov.cz (unsigned zone)

⏱️ Timing

Total: 840ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.66.43.141, 172.66.40.115
AAAA22606:4700:3108::ac42:2873, 2606:4700:3108::ac42:2b8d
NS2jim.ns.cloudflare.com, karina.ns.cloudflare.com
MX2mailin1.modov.cz (pri: 10), mailin2.modov.cz (pri: 100)
TXT1v=spf1 a mx include:_spf.m1.websupport.s
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jim.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

modov.cz serves as the parent of mailin2.modov.cz and mailin1.modov.cz.

IP Addresses

modov.cz resolves to four IP addresses: 172.66.40.115, 172.66.43.141, 2606:4700:3108::ac42:2873 and 2606:4700:3108::ac42:2b8d.

vmodz.net, promoguy.nl, www.domgate.com plus two other host names have IP numbers in common with modov.cz.

Name Servers

DNS delegation for modov.cz points to two name servers: jim.ns.cloudflare.com and karina.ns.cloudflare.com.

The name server configuration of modov.cz is shared with other domains, for instance modov.at, tasteofhomebooks.com, vainame.com and two others.

modov.cz partially shares its NS delegation with several other domains, including jckidsclub.com, santapolaweb.com, olenka.vn.ua and two others.

These name servers often co-occur with the name servers gina.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jim.ns.cloudflare.com has IP addresses 108.162.193.125, 172.64.33.125 and 173.245.59.125, plus 3 other.

karina.ns.cloudflare.com has IP addresses 108.162.192.178, 172.64.32.178 and 173.245.58.178, plus 3 other.

Mail Servers

modov.cz uses two mail servers, mailin1.modov.cz and mailin2.modov.cz.

mailin1.modov.cz directs to 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:8. mailin2.modov.cz directs to 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:9. Each host name carries two IP addresses.