blesk.cz
The domain blesk.cz answers at IP address 91.235.52.165. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for blesk.cz goes through 7 servers; the highest priority one is aspmx.l.google.com. It also publishes 4 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 91.235.52.165 3600s
MX MX records
- 10 aspmx.l.google.com 3600s
- 20 alt2.aspmx.l.google.com 3600s
- 20 alt1.aspmx.l.google.com 3600s
- 30 aspmx3.googlemail.com 3600s
- 30 aspmx2.googlemail.com 3600s
- 100 onlineweb.cncenter.cz 3600s
- 100 onlinedev.cncenter.cz 3600s
NS NS records
- josephine.ns.cloudflare.com 21600s
- rick.ns.cloudflare.com 21600s
TXT TXT records
- google-site-verification=YpqzTytyg6xBnityOSxbaaE63MofvDuf1LoS7orI__8 3600s
- facebook-domain-verification=wfcm40rgdf371lexv8af2vt9asl67m 3600s
- v=spf1 include:_spf.google.com mx ip4:207.126.144.0/20 ip4:91.235.52.159 ip4:91.235.52.160 ~all 3600s
- google-site-verification=Fh3MVqtpo01eXzT6zbRgW9myeLnSmOf6JMnFoIt-bwc 3600s
SOA SOA records
- josephine.ns.cloudflare.com 1800s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 13 hours ago.