Add nextsurplus.com email-authentication template

nextsurplus.com.email-authentication.json

@@ -0,0 +1 @@
+{"providerId":"nextsurplus.com","providerName":"Next Surplus","serviceId":"email-authentication","serviceName":"Business Email Authentication","version":1,"logoUrl":"https://nextsurplus.com/logo.png","description":"Standard email authentication for this domain. Adds SPF, DKIM, and DMARC records so outbound business email passes modern authentication checks.","variableDescription":"Adds the DNS records required for this domain to pass SPF, DKIM, and DMARC authentication on Gmail, Yahoo, Outlook, and other major email providers.","syncBlock":true,"shared":false,"warning":null,"records":[{"type":"TXT","host":"send","pointsTo":"v=spf1 include:%spf_include% ~all","ttl":300,"groupId":"spf-sending"},{"type":"TXT","host":"%dkim_selector%._domainkey","pointsTo":"%dkim_value%","ttl":300,"groupId":"dkim-signing"},{"type":"MX","host":"send","pointsTo":"%mx_host%","priority":10,"ttl":300,"groupId":"return-path"},{"type":"TXT","host":"_dmarc","pointsTo":"v=DMARC1; p=none; rua=mailto:%dmarc_rua%","ttl":300,"groupId":"dmarc-monitoring"}]}