DNS: default soa records

Standard SOA

$TTL 86400
@ IN SOA dns01.estracom.it. gmarco.dns01.estracom.it. (
                2017022101      ; serial YYYYMMDDnn
                10800           ; refresh               (3 hours)
                3600            ; retry                 (1 hours)
                604800          ; expire                (1 week)
                86400)          ; minimum/negative TTL  (1 day)

Fast Update SOA

$TTL 300
@ IN SOA dns01.estracom.it. gmarco.dns01.estracom.it. (
                2017022101      ; serial YYYYMMDDnn
                120             ; refresh              (2  minutes)
                30              ; retry                (30 seconds)
                600             ; expire               (10 minutes)
                300)            ; minimum/negative TTL (5  minutes)

Ripe recomended RIPE 203

$TTL 3600
@ IN SOA dns01.estracom.it. gmarco.dns01.estracom.it. (
                2017022101      ; serial YYYYMMDDnn
                7200            ; refresh               (2 hours)
                1800            ; retry                 (30 minutes)
                3600000         ; expire                (1000 hours)
                3600 )          ; minimum/negative TTL  (1 hours)

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