13
records
IPv6 Addresses
TTL
18m
nic.cz. 1122 IN AAAA 2001:1488:0:3:0:0:0:2
Name Servers
TTL
nic.cz. 1111 IN NS a.ns.nic.cz. nic.cz. 1111 IN NS b.ns.nic.cz. nic.cz. 1111 IN NS d.ns.nic.cz.
Mail Servers
TTL
MX
—
10
1m
MX
—
20
1m
nic.cz. 96 IN MX 10 mail.nic.cz. nic.cz. 96 IN MX 20 mx.nic.cz.
SOA Details
TTL
SOA
Primary NS
22m
Responsible
hostmaster.nic.cz
0m
Serial
1762257070
0m
Times
Refresh
4h
Retry
1h
Expire
14d
Minimum TTL
2h
nic.cz. 1372 IN SOA a.ns.nic.cz. hostmaster.nic.cz. 1762257070 14400 3600 1209600 7200
DMARC
TTL
DMARC
Policy
reject
29m
Subdomain Policy
reject
0m
Percentage
100
0m
RUA
RUF
nic.cz. 1742 IN DMARC v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=r; adkim=r; rf=afrf; ri=86400; sp=reject
Certificate Authority Authorization
TTL
CAA
Let's Encrypt
27m
nic.cz. 1627 IN CAA 128 issue "letsencrypt.org"
Text Content
TTL
TXT
SPF
v=spf1 include:_v4nets.nic.cz include:_v6nets.nic.cz include:_spf.network.cz ~all
30m
TXT
Microsoft
MS=92011E91562E6FD18FF9C5FA1F053F90DD5B1892
30m
nic.cz. 1800 IN TXT "v=spf1 include:_v4nets.nic.cz include:_v6nets.nic.cz include:_spf.network.cz ~all" nic.cz. 1800 IN TXT "MS=92011E91562E6FD18FF9C5FA1F053F90DD5B1892"