DNS Report: seznam.cz

Generated: 2026-08-09T09:51:24-05:00

88/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5581 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: www.seznam.cz
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
77.75.79.222
77.75.77.222
AAAA
2a02:598:2::1222
2a02:598:a::79:222
CNAME
MX
20 mx2.seznam.cz.
10 mx1.seznam.cz.
TXT
"facebook-domain-verification=hp0jkbs2ikx5c9hv3r0cwcyvi2c2jm"
"google-site-verification=v2WaAYaKuekbWHJu29R0b1IbBY2-pInEXYWbh_1_V2M"
"google-site-verification=a9t5IHxxjmCtKh9OOuqIGQBo1JUNQC1eEzhCY7x2Lts"
"v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all"
"google-site-verification=e3xWgDmkjVzej4PsMZgvtPhUiJLFAK5rdx-zdmeBYjg"
"yahoo-verification-key=rIVkIfpCmZr9Wlk/ixIMiDw3Gdv8aIr0gxXkfzWe6+Y="
NS
ans.seznam.cz.
ams.seznam.cz.
SOA
ans.seznam.cz. hostmaster.seznam.cz. 1786095797 900 300 604800 300
CAA
0 iodef "mailto:abuse-caa@firma.seznam.cz"
0 issue "letsencrypt.org;validationmethods=dns-01"
DS
36559 13 2 EDD006D3969D20767E5181ADFE925B4B1567EC4ACED875D33B86F72E 96174A84
DNSKEY
257 3 13 4RjTqRW4rtz/sJ8Doo44NqGOoB8RirxCI4Qo9sAvZFOt71Am6E0d9YSF KfDcIHQSNyMonv8gD/3L/Q8xVM51mQ==
256 3 13 rIioqGPkl3uQ+QM7S4n+PBSyWmAl7F3dJBq4JA0jzM5T8qhrHYLCHOWX faXzPSPOEOxC/Bb9ha45DJa/EkxD9w==
RRSIG
SOA 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. Dp3exkrhwE2j+tUem3xnGlbYlSMxghZCeBKl6rFGJCuVlQ0twP4fcxwl oGCn/9iAADVtTcAzFLivcyM+mefnwg==
NS 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. tdaf7H/mGurlWY0dtuRP1FEYtlRt2MDhMoWlKWTrx0hUHAe8z2LZaPvX ApTjTgsEmDBIo2++Oklzx9nAXzsfhg==
AAAA 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. 8r+QXX8TKaqNVRpOt0Sxun8BnUPBfqh0YFZRbEls8WX9E7gHYy+i9v9i WYV6xx+rO/54HkD0okQXNngZfw04jQ==
A 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. hSfDIzsIbgK6/IGwurCikHGt13p20dcYzZ6DU9Krz0sBwkGOIRhXfIJH +f/Ya1m37TYyg4NIOzod84X3LrDlcQ==
MX 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. w3H+1qez4c3qalv+l7zhdj0sGrwNo23MHzoLp7PdL0+10nbWr4TAPi6k CASd+5J4NxvSdDf1Q6scBRK+ZSkdVA==
DS 13 2 3600 20260823054724 20260809041724 5166 cz. shnt4Ud0mn3dUMGfC5BjHWbvG5eQ7xnB3cqaiLO4AWnObRU+TOADUNwJ dP5/T9FlY9tYxETXAl0ZTU0O64M17g==
CAA 13 2 3600 20260820000000 20260730000000 18575 seznam.cz. TnoTaZ5cUE588Bd49IaoRJFHNd2CAz+jKYxvSc213q+XrdwJWg8ufsTo Ugt43SUmQ73MaP0ftrpoOS+qMlasEw==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP