CF1761856936365-tsm20251029173950

WWW.RTSAK.COM - dnssec-validator.cz

Search for IP or hostnames:

dnssec-validator.cz checked at 2025-10-30T20:42:16.216Z 1952ms 103/103/103 100% R:13

dnssec-validator.cz

MXmail.nic.cz
A2001:1488:800:400::400 🇨🇿 CZ.NIC, z.s.p.o.
PTRmail.nic.cz
A217.31.204.67🇨🇿 CZ.NIC, z.s.p.o.
PTRmail.nic.cz
MXmx.nic.cz
A2001:1ab0:7e1e:d150::8:157 🇨🇿 IGNUM-AS
PTRmx.nic.cz
A217.31.57.157🇨🇿 IGNUM-AS
PTRmx.nic.cz
NSsld1.ns.nic.cz
A2001:1488:800:126::98 🇨🇿 CZ.NIC, z.s.p.o.
PTRsld1.ns.nic.cz
A217.31.207.98🇨🇿 CZ.NIC, z.s.p.o.
PTRsld1.ns.nic.cz
NSsld2.ns.nic.cz
A2001:1488:800:126::99 🇨🇿 CZ.NIC, z.s.p.o.
PTRsld2.ns.nic.cz
A217.31.207.99🇨🇿 CZ.NIC, z.s.p.o.
PTRsld2.ns.nic.cz
NSsld3.ns.nic.cz
A2001:1ab0:7e1e:d150::8:1 🇨🇿 IGNUM-AS
PTRsld3.ns.nic.cz
A217.31.57.6🇨🇿 IGNUM-AS
PTRsld3.ns.nic.cz
A2001:1488:800:400::2:96 🇨🇿 CZ.NIC, z.s.p.o.
PTRgitlab-r-01.nic.cz
A217.31.204.96🇨🇿 CZ.NIC, z.s.p.o.
PTRgitlab-r-01.nic.cz

cz

NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
rank #848484 globally
rank #3181 in the tld

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Starts with same word

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AI analysis

The parent of www.dnssec-validator.cz is dnssec-validator.cz.

Two IP numbers are pointed to by dnssec-validator.cz: 2001:1488:800:400::2:96 and 217.31.204.96.

other host names include gitlab-r-01.nic.cz, knot-resolver.cz, datovka.cz, gitlab.nic.cz and jakfungujedns.cz; they share IP numbers with dnssec-validator.cz.

dnssec-validator.cz is delegated to three name servers sld1.ns.nic.cz, sld2.ns.nic.cz and sld3.ns.nic.cz.

dnssec-validator.cz at least partially shares name servers with other domains, for instance cznic.org, esens.cz, 202.31.217.in-addr.arpa, knot-resolver.cz and dnssec.cz.

Host names with two IP numbers:

sld1.ns.nic.cz points to 2001:1488:800:126::98 and 217.31.207.98; sld2.ns.nic.cz points to 2001:1488:800:126::99 and 217.31.207.99; sld3.ns.nic.cz points to 2001:1ab0:7e1e:d150::8:1 and 217.31.57.6.

dnssec-validator.cz is handled by two mail servers: mail.nic.cz and mx.nic.cz.

dnssec-validator.cz uses the same mail server setup as other domains, for instance 202.31.217.in-addr.arpa, knot-resolver.cz, dnssec.cz, test-ipv6.cz and csnog.eu.

dnssec-validator.cz shares at least partially some mail servers with other domains, for instance fred.nic.cz, test-ipv6.nic.cz, lists.nic.cz, cctld-managers.org and gw.nic.cz.

Host names with two IP numbers:

mail.nic.cz points to 2001:1488:800:400::400 and 217.31.204.67.

mx.nic.cz points to 2001:1ab0:7e1e:d150::8:157 and 217.31.57.157.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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jiHgSMB CF johedugfp 2025-10-30