osu.cz is not available!

  • DNSSEC verified
  • Website up
  • Not on blocklists
Registrar
INTERNET CZ, a.s.
Registered on
Expires on
Last updated
Name servers
Status
  • active
DNSSEC
Signed and verified
Checked
Visit osu.cz

Contacts

  • Holder and administrative

    SB:PF65_XX

  • Administrative

    HASNIK-OSU

  • Administrative

    KOZELSKY-OSU

  • Registrar

    INTERNET CZ, a.s. REG-INTERNET-CZ

    Ktiš 2
    Ktiš
    38403
    CZ

    +420.383835353

Website

Answer
200 OKin 273 ms
Ends at
https://www.osu.cz/
Redirects
  • https://osu.cz/ (301)
Title
Ostravská univerzita
Server
Apache
Protocols
HTTP/2
Certificate
Hellenic Academic and Research Institutions CA (GEANT TLS RSA 1) for wanda.osu.cz, www.pdf.osu.eu, www.zsf.osu.eu, www.osu.eu, dezinfo-opjak.osu.cz and www.offices.osu.eu, valid until
www
Answers itself (200 OK)

DNS records

osu.cz

A
TTL 1 hour
AAAA
TTL 1 hour
MX
  • 10mailer2.osu.cz
  • 20mailer.osu.cz
TTL 1 hour
NS
TTL 1 hour
TXT
  • HP/cAbpciB/oOdnxNF5CgU/EAETippN39QRdOp0uDi9QnGmq0tMctik2Cwtd+NIH7O8LksgkDlkp/AI6ThQBYQ==
  • MS=ms99785042
  • apple-domain-verification=ZpJFERzeYVPq8a3z
  • google-site-verification=CfRE5GRPoR3C2Wo8Ugd58hN_5xCIbOB0Y6JhL3fSRQQ
  • mnWY6HAh2MMNsg65sRcboUMogfjXwWIFDbstI+9enkkfomVzVcUIPS/lpxiclSEL7KyK1liOMC0/9t46Vrel/Q==
  • v=spf1 a mx ip4:195.113.106.6 ip4:195.113.106.9 ip4:195.113.106.34 ip4:195.113.111.126 ip6:2001:718:1005:601::6 ip6:2001:718:1005:601::9 ip6:2001:718:1005:601::34 include:spf.protection.outlook.com include:spf.reenio.cz -all
TTL 1 hour
SOA
  • Primary server
    oudec.osu.cz
    Contact
    [email protected]
    Serial
    2026110533
    Refresh
    1 day
    Retry
    2 hours
    Expire
    42 days
    Negative TTL
    1 hour
TTL 1 hour
CAA
TTL 1 hour

www.osu.cz

CNAME
  • wanda.osu.cz
TTL 1 hour
A
TTL 1 hour
AAAA
TTL 1 hour

_dmarc.osu.cz

TXT
TTL 1 hour

As albert.osu.cz answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

7.26Open PageRank, out of 10
76,666Open PageRank position
739Referring domains

From Open PageRank

DNSSEC

Every link from the root to osu.cz verifies.

. Verified

  • Found 3 DNSKEY records for .
  • DS=20326/SHA-256 verifies DNSKEY=20326/SEP
  • DS=38696/SHA-256 verifies DNSKEY=38696/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

cz Verified

  • Found 1 DS records for cz in the . zone
  • DS=20237/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for cz
  • DS=20237/SHA-256 verifies DNSKEY=20237/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset

osu.cz Verified

  • Found 1 DS records for osu.cz in the cz zone
  • DS=37617/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=20081 and DNSKEY=20081 verifies the DS RRset
  • Found 3 DNSKEY records for osu.cz
  • DS=37617/SHA-256 verifies DNSKEY=37617/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=37617 and DNSKEY=37617/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=38448 and DNSKEY=38448 verifies the SOA RRset