DNS Report: zcu.cz

Generated: 2026-08-10T13:33:53-05:00

89/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/203 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 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 certificate55/5571 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers23/356 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: svc1.ha.kube.zcu.cz
WARNINGIPv4 diversity20/35Two 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
147.228.6.224
AAAA
2001:718:1801:1058::1:102
CNAME
MX
10 fred.zcu.cz.
TXT
"MS=ms26894334"
"v=spf1 mx ip4:147.228.0.0/16 ip6:2001:718:1801::/48 -all"
NS
hera.zcu.cz.
erebos.zcu.cz.
nsa.ces.net.
SOA
hera.zcu.cz. hostmaster.zcu.cz. 2026081000 7200 7200 1209600 3600
CAA
DS
11081 13 2 31983F8C84C0152DA4A8ACB01F5526E084FE82C1FDCE787D9727BDC8 56B1D8F7
DNSKEY
257 3 13 13lWAFIoRjKGauqlIq/6bdBioVZJQq6ViKRmAoq73QKNgHghjzv3N0Mz /NQwVbROCkr44Qn9IQyepTaaYgf9Aw==
256 3 13 59lEUJ8qrhgsr7KvBXJzZvQmwiuFt1+NEsxcdVkV1XbTh3YGs+Ix+qML iET/q3zK2nDbx7zP1L72W9xWkxxHUw==
RRSIG
DS 13 2 3600 20260823054724 20260809041724 5166 cz. LMEIP3wPVbx0FFQcWY3YZbt7uoKjDdomz6uTxiO1R4FCStOPshDlh2Qu KCKp5OCU0fZpzhNLhPaFt6MuhRGnAw==
A 13 2 7200 20260907133640 20260808130034 56114 zcu.cz. JUbrTQBlUa87Jo0LiUK1SOCJ30IslsQUvo/YmfAnZe2YMy5unejpWcLJ dZ1nFop0gmS6fA2jXP4z9UVusb5zxg==
AAAA 13 2 7200 20260910002800 20260810120745 56114 zcu.cz. xjKJH+Etd819i8UqZjs14Q9haJwjzTGB1MQSeB6TRNrE627/s7956+ts FMxVUGqJI51LvILUeF/5fRqFMyDrbQ==
SOA 13 2 86400 20260909053616 20260810120745 56114 zcu.cz. /b7m7/ZTL/4agvePZkdOFoMZBEjvWA5acJWpZc6JVsnVVVk4LH2tsxMJ 0eEa4Z2Wv6XMXtuJtzSBlNUgzSFqBQ==
TXT 13 2 86400 20260830141822 20260731071936 56114 zcu.cz. o5BdEatSI4evBFWvQ7+RrSNX2+6nsIo6P3EP0YHvKEgohGmwuXevr20t /Gb67vf23xOokvYOEbZVN1dGwT0o3g==
NS 13 2 86400 20260829102215 20260730055936 56114 zcu.cz. YOj3ctYtly1A6Nk2ilgYYqMCDHnKpJ2E/3DrFi52ZVSZJPnKSML+li6i l2KIiwWfx6nKT60wPS+y6FRst6wJjQ==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP