16
records
IPv4 Addresses
TTL
29m
29m
classroom.grsc.cz. 1799 IN A 151.101.1.195 classroom.grsc.cz. 1799 IN A 151.101.65.195
IPv6 Addresses
TTL
29m
29m
29m
29m
classroom.grsc.cz. 1799 IN AAAA 2A04:4E42:0:0:0:0:0:451 classroom.grsc.cz. 1799 IN AAAA 2A04:4E42:200:0:0:0:0:451 classroom.grsc.cz. 1799 IN AAAA 2A04:4E42:400:0:0:0:0:451 classroom.grsc.cz. 1799 IN AAAA 2A04:4E42:600:0:0:0:0:451
Name Servers
TTL
classroom.grsc.cz. 1800 IN NS ns.forpsi.cz. classroom.grsc.cz. 1800 IN NS ns.forpsi.it. classroom.grsc.cz. 1800 IN NS ns.forpsi.net.
Mail Servers
TTL
5m
5m
classroom.grsc.cz. 300 IN MX 10 e16a213220761c57.mx2.emailprofi.seznam.cz. classroom.grsc.cz. 300 IN MX 20 e16a213220761c57.mx1.emailprofi.seznam.cz.
SOA Details
TTL
30m
Responsible
admin.forpsi.com
Serial
2025111501
Times
Refresh
4h
Retry
1h
Expire
30d
Minimum TTL
1h
classroom.grsc.cz. 1800 IN SOA ns.forpsi.net. admin.forpsi.com. 2025111501 14400 3600 2592000 3600
Text Content
TTL
TXT
SPF
v=spf1 include:spf.seznam.cz include:_spf.google.com include:_spfset.kam.mff.cuni.cz ~all
5m
TXT
Google Console
google-site-verification=31JKY1yzQ8SlnVnxfiZTtOi40bzvvCfcZpSoC6SuGNk
5m
TXT
Keybase
keybase-site-verification=Fol70nZJBQJNsOx_Jt_UZsqmkwcKqjm4PbEWDdERdPs
5m
classroom.grsc.cz. 300 IN TXT "v=spf1 include:spf.seznam.cz include:_spf.google.com include:_spfset.kam.mff.cuni.cz ~all" classroom.grsc.cz. 300 IN TXT "google-site-verification=31JKY1yzQ8SlnVnxfiZTtOi40bzvvCfcZpSoC6SuGNk" classroom.grsc.cz. 300 IN TXT "keybase-site-verification=Fol70nZJBQJNsOx_Jt_UZsqmkwcKqjm4PbEWDdERdPs"