centrum.cz
The domain centrum.cz answers at IP address 46.255.231.129. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for centrum.cz goes through 4 servers; the highest priority one is centrum-cz-10mx1.eco-mx.cz. It also publishes 5 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 46.255.231.129 300s
AAAA AAAA records
- 2a00:da80:e::129 300s
MX MX records
- 10 centrum-cz-10mx1.eco-mx.cz 71s
- 10 centrum-cz-10mx2.eco-mx.cz 71s
- 20 centrum-cz-20mx2.eco-mx.cz 71s
- 20 centrum-cz-20mx1.eco-mx.cz 71s
NS NS records
- max.ns.cloudflare.com 21600s
- pam.ns.cloudflare.com 21600s
TXT TXT records
- v=spf1 redirect=_spf.centrum.cz 300s
- amazonses:zhwnMMKwePHOMKAE378OO5hqbD1h+VXiQvh7TgZFkQc= 300s
- google-site-verification=MEKZYb6k-z494g7Hs87mlSjL71DkzAiQve-iZuM6a7U 300s
- google-site-verification=uOQOS8Qfjty5hHS3I9DCL5P_t11ujP4VVpi9bjvBxao 300s
- google-site-verification=q6tA5OYkNydQyUnQ63ncTNYRw0rLgXO2ASHL9BwgA4w 300s
SOA SOA records
- max.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 11 hours ago.