DNS Report: cuni.cz

Generated: 2026-08-09T00:53:50-05:00

88/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/204 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.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5516 day(s) remaining.
WARNINGCertificate lifetime6/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 54.0/25.89.113.195.in-addr.arpa
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
195.113.89.54
AAAA
2001:718:1e03:622::60
CNAME
MX
10 ag1.cesnet.cz.
10 ag2.cesnet.cz.
TXT
"google-site-verification=52QIa-wnhi8U3xyitTyH9czyXoo3OkkFbqzAJW7U5HM"
"google-site-verification=T4H_GYV-wpMp1W0zdIt62whR5pTIIr9HOSoS75qomrs"
"google-site-verification=LazYVCEv9A_edcp-AQV8RBrOcYmEyvoC1t68iOp7tSI"
"apple-domain-verification=S8ZUNOXpX2OWxGom"
"v=spf1 ip6:2001:718:1e03:4::16 a:out.ruk.cuni.cz a:dec59.ruk.cuni.cz a:golias.ruk.cuni.cz a:igraine.lfhk.cuni.cz a:office2.cesnet.cz mx:is.cuni.cz include:spf.protection.outlook.com -all"
NS
cuce.ruk.cuni.cz.
david.ruk.cuni.cz.
golias.ruk.cuni.cz.
nsa.ces.net.
SOA
golias.ruk.cuni.cz. hostmaster.cuni.cz. 2026072955 28800 7200 1209600 600
CAA
0 issue "harica.gr"
0 issue "letsencrypt.org"
0 issue "digicert.com"
0 iodef "mailto:tcs@cuni.cz"
DS
43474 13 2 F030314D575105B12FA185AA8572386B6A54A9C8A238736320C36280 38DFE20C
DNSKEY
257 3 13 CRfC63IEp1cb9ALSIHYAFosTvel5Pr7I0KRXgcNMw9JbBO0mba2hBtB+ 82IdFwOa48PnBNoMl3rZohtZLxy07g==
RRSIG
DNSKEY 13 2 3600 20260819024726 20260805022737 43474 cuni.cz. 4j5izjRbdsg/prr7nLoNsKoZRNjDgGKDP9KMpbUk0aNr6ZxsU2UBNACj R7UZUWGEWiFfzqPrXePY2nI8Gd/Qzw==
NS 13 2 86400 20260818095304 20260804093954 43474 cuni.cz. DmacvR9O6eNCwqsdty7MSem9oVKFRZkbFmzA0J4bYTJbiSyxz+XAIj9M wH5097Oll0om8a9f4A3Ho5i21yKXBw==
MX 13 2 3600 20260820122711 20260806112935 43474 cuni.cz. aPwUUhKEIf0F/gENkQjzlvc88FT/19KIccvP5euj+nxqGlg4xa/ivpbN E16pRKXxemPMfyZ/6YnLZFYfkojVWg==
AAAA 13 2 3600 20260818172556 20260804171558 43474 cuni.cz. puVY/56RcQFjeu8x58TIw6K1zh4qCpG2WHz0YIk8rdlW2Usi8iSSrbk/ jzFWCHXzPrGZ+Sug9wIcEiwT8KVyOw==
DS 13 2 3600 20260809082134 20260726065134 5166 cz. 7j6YQ7qOMJKK7dd/oqdjDoWU2CC1MK0z+69BZe7UzcP0c9nkG/oZQqpm ACSSjQAhTWA9rbQf81DkJTNaFw7TPw==
CAA 13 2 7200 20260819025011 20260805024307 43474 cuni.cz. kDxze+fn2cQazMFP9F935d3rOX6leTkG6JS2G2ia8q9zGQ4/ko0L5B4D JaRytF1opqAYgfmpDqInnv4H1DF+jg==
NSEC
www1.1f1.cuni.cz. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY CDS CDNSKEY CAA
NSEC3
SRV
NAPTR
TLSA
SSHFP