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  IPv4 IPv6
Web services (record for www.<domain>)
www.trueblue.cz
yes (since 2013-09-25)
Alternative record for web over IPv6 www.v6.trueblue.cz yes (since 2013-11-21)
Mail services (MX record) yes (since 2012-08-06)
Support for SPF (Sender Policy Framework) no
DNS services (NS record) yes yes (since 2014-01-02)
Support for DNSSEC (DS record) yes (since 2013-01-24)
Inserted into database 2012-07-25 00:04:06+00
Last update 2016-06-13 01:05:53+00

 

History for trueblue.cz

web altweb mx spf ns dnssec
first check v4only v4only v4only yes
2012-08-03 v4only v4only
2012-08-06 v4only v4only v4only
2013-01-24 v4only v4only v4only yes
2013-09-25 dual v4only v4only
2013-09-27 dual v4only v4only
2013-11-21 dual www6 v4only v4only
2013-11-21 dual www6 v4only v4only
2014-01-02 dual www6 v4only dual
2015-02-21 v6only www6 v4only dual
2016-06-13 v6only www.v6 v4only dual yes

 

History of delta RTT (DRTT) for trueblue.cz

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