16 Feb
2012
16 Feb
'12
8:44 a.m.
Mark Andrews (marka) writes:
If you want to know if your resolver talks IPv6 to the world and supports 4096 EDNS UDP messages the following query will tell you.
dig edns-v6-ok.isc.org txt
Similarly for IPv4.
dig edns-v4-ok.isc.org txt
9.8.1P1 on a dual stacked native v6 host: I'm seeing TC on both answers, the difference is the TCP answer comes through on v4 but v6 gives SERVFAIL. Don't see any v6 fragments (that'd be a problem since PF doesn't handle them on this host). P.