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srv-a A 127.0.0.1 srv-a AAAA ::1 srv-b A 127.0.0.1 srv-b AAAA ::1 s1._domainkey.srv-a TXT v=DKIM1; k=ed25519; p=SvoPT692bVrQBT8UNxt6SF538O3snA4fE3/i/glCxwQ=