--- /dev/null
+#!/bin/sh
+cleandig rhs-at-expansion.example.com CNAME
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--- /dev/null
+Use CNAME to validate '@' expansion in RR contents.
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--- /dev/null
+0 rhs-at-expansion.example.com. IN CNAME 120 example.com.
+Rcode: 0 (No Error), RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
+Reply to question for qname='rhs-at-expansion.example.com.', qtype=CNAME
1 example.com. IN RRSIG 86400 SOA 8 2 100000 [expiry] [inception] [keytag] example.com. ...
1 example.com. IN SOA 86400 ns1.example.com. ahu.example.com. 2000081501 28800 7200 604800 86400
-1 outpost.example.com. IN NSEC 86400 semi-external.example.com. A RRSIG NSEC
+1 outpost.example.com. IN NSEC 86400 rhs-at-expansion.example.com. A RRSIG NSEC
1 outpost.example.com. IN RRSIG 86400 NSEC 8 3 86400 [expiry] [inception] [keytag] example.com. ...
2 . IN OPT 32768
Rcode: 0 (No Error), RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
1 example.com. IN RRSIG 86400 SOA 8 2 100000 [expiry] [inception] [keytag] example.com. ...
1 example.com. IN SOA 86400 ns1.example.com. ahu.example.com. 2000081501 28800 7200 604800 86400
-1 outpost.example.com. IN NSEC 86400 semi-external.example.com. A RRSIG NSEC
+1 outpost.example.com. IN NSEC 86400 rhs-at-expansion.example.com. A RRSIG NSEC
1 outpost.example.com. IN RRSIG 86400 NSEC 8 3 86400 [expiry] [inception] [keytag] example.com. ...
2 . IN OPT 32768
Rcode: 3 (Non-Existent domain), RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
1 example.com. IN RRSIG 86400 SOA 8 2 100000 [expiry] [inception] [keytag] example.com. ...
1 example.com. IN SOA 86400 ns1.example.com. ahu.example.com. 2000081501 28800 7200 604800 86400
-1 outpost.example.com. IN NSEC 86400 semi-external.example.com. A RRSIG NSEC
+1 outpost.example.com. IN NSEC 86400 rhs-at-expansion.example.com. A RRSIG NSEC
1 outpost.example.com. IN RRSIG 86400 NSEC 8 3 86400 [expiry] [inception] [keytag] example.com. ...
2 . IN OPT 32768
Rcode: 3 (Non-Existent domain), RD: 0, QR: 1, TC: 0, AA: 1, opcode: 0
host-0 IN EUI48 00-50-56-9b-00-e7
host-1 IN EUI64 00-50-56-9b-00-e7-7e-57
+;
+rhs-at-expansion IN CNAME @
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