diff --git a/nixbld-etc-nixos/named/m-labs.hk b/nixbld-etc-nixos/named/m-labs.hk
index 07653fa7..bfc61659 100644
--- a/nixbld-etc-nixos/named/m-labs.hk
+++ b/nixbld-etc-nixos/named/m-labs.hk
@@ -1,7 +1,7 @@
 $TTL 7200
 
 @						SOA	42-200-147-171.static.imsbiz.com. sb.m-labs.hk. (
-							2022072501
+							2022081302
 							7200
 							3600
 							86400
@@ -13,12 +13,14 @@ $TTL 7200
 
 						A		42.200.147.171
 						AAAA	2001:470:18:629::2
-						MX		10 ssl.serverraum.org.
+						MX		10 mail.m-labs.hk.
 						TXT		"v=spf1 mx -all"
 						TXT		"google-site-verification=Tf_TEGZLG7-2BE70hMjLnzjDZ1qUeUZ6vxzbl1sagT8"
 
 
 mail					CNAME	@
+mail._domainkey			TXT		"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCl38A/Z0IInVU157qzrWgMfYm2iDHoWZsTyiiOoZdT7kHMzS/M2OMXMt7r5g1/7pCPClsGUDJvKGqVMmjJuPleMyKHwpGeT92qDNEFpt6ahneap/oYx5eBYM/vGcgmleNxyIoBHsptaZvqD4vCEFaC22f8UL5QAgQD3wCH3FwlpQIDAQAB"
+_dmarc					TXT		"v=DMARC1; p=none"
 lab						CNAME	@
 www						CNAME	@
 nixbld					CNAME	@