13
records
IPv6 Addresses
TTL
web4u.cz. 60 IN AAAA 2001:1568:0:0:0:0:0:19
Name Servers
TTL
NS
—
1m
NS
—
1m
web4u.cz. 60 IN NS ns.web4u.cz. web4u.cz. 60 IN NS ns2.web4u.cz.
SOA Details
TTL
SOA
Primary NS
1m
Responsible
admin.web4u.cz
0m
Serial
2025103002
0m
Times
Refresh
4h
Retry
1h
Expire
14d
Minimum TTL
4h
web4u.cz. 60 IN SOA ns.web4u.cz. admin.web4u.cz. 2025103002 14400 3600 1209600 14400
DMARC
TTL
DMARC
Policy
reject
1m
Subdomain Policy
none
0m
Percentage
100
0m
RUA
RUF
web4u.cz. 60 IN DMARC v=DMARC1;p=reject;sp=none;pct=100;adkim=s;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected]
Certificate Authority Authorization
TTL
CAA
Let's Encrypt
1m
web4u.cz. 60 IN CAA 0 issue "letsencrypt.org"
Text Content
TTL
TXT
SPF
v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:81.91.87.34/31 ip4:81.91.87.249 ip4:81.91.87.236 ip6:2001:1568:502:1::/64 ip6:2001:1568:502:2::/64 ip6:2001:1568:502:3::/64 ip6:2001:1568::7060 ip6:2001:1568::7236 ip4:77.78.104.121 ip6:2001:1528:137::a include:_spf.jupiter.salesmanago.pl -all
1m
TXT
Microsoft
MS=0394720CC11BB6E64FFED5064A40D0401C20807E
1m
TXT
Zoho Mail
zoho-verification=zb27107936.zmverify.zoho.eu
1m
TXT
—
smv=9d9c9b062c03b840
1m
web4u.cz. 60 IN TXT "v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:81.91.87.34/31 ip4:81.91.87.249 ip4:81.91.87.236 ip6:2001:1568:502:1::/64 ip6:2001:1568:502:2::/64 ip6:2001:1568:502:3::/64 ip6:2001:1568::7060 ip6:2001:1568::7236 ip4:77.78.104.121 ip6:2001:1528:137::a include:_spf.jupiter.salesmanago.pl -all" web4u.cz. 60 IN TXT "MS=0394720CC11BB6E64FFED5064A40D0401C20807E" web4u.cz. 60 IN TXT "zoho-verification=zb27107936.zmverify.zoho.eu" web4u.cz. 60 IN TXT "smv=9d9c9b062c03b840"