Mappings (10)
Mapping records determine where domains (and subdomains) route to. A and AAAA records map to IPv4 and IPv6 addresses. CNAME and PTR records map to other domains.
Type
Domain
Destination(s)
A
samplecorp.com
→
132.129.123.4
132.129.122.4
132.129.122.4
📄
132.129.123.4: Server 1 for our domain.
132.129.122.4: Server 2 for our domain.
132.129.122.4: Server 2 for our domain.
A
*.samplecorp.com
→
132.129.122.4
132.129.123.4
132.129.123.4
📄
132.129.122.4: Pointing all wildcard domains to the same IP as the root domain.
A
www.samplecorp.com
→
132.129.122.4
132.129.123.4
132.129.123.4
AAAA
samplecorp.com
→
2404:3703:7::a29f:9804
2404:3703:7::a29f:9904
2404:3703:7::a29f:9904
AAAA
*.samplecorp.com
→
2404:3703:7::a29f:9904
2404:3703:7::a29f:9804
2404:3703:7::a29f:9804
AAAA
www.samplecorp.com
→
2404:3703:7::a29f:9804
2404:3703:7::a29f:9904
2404:3703:7::a29f:9904
CNAME
help.samplecorp.com
→
samplecorp.zendesk.com
📄
Points to our customer support tool at Zendesk.
CNAME
pm-bounces.samplecorp.com
→
pm.mtasv.net
📄
For emails sent from Postmark, the Return-Path uses this FQDN. This record is needed to point to the relevant SPF record on Postmark's side.
CNAME
s1._domainkey.samplecorp.com
→
s1.domainkey.u1815634.wl135.sendgrid.net
CNAME
s2._domainkey.samplecorp.com
→
s2.domainkey.u1815634.wl135.sendgrid.net