| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| discovercard.com | SOA | 3600 | a1-23.akam.net techadmin@discover.com 2780199969 1200 180 1209600 60 | |
| discovercard.com | NS | 17695 | a4-64.akam.net | |
| discovercard.com | NS | 17695 | a5-67.akam.net | |
| discovercard.com | NS | 17695 | a1-23.akam.net | |
| discovercard.com | NS | 17695 | a8-66.akam.net | |
| discovercard.com | NS | 17695 | a3-64.akam.net | |
| discovercard.com | NS | 17695 | a6-65.akam.net | |
| discovercard.com | A | 3 | 23.220.48.234 | |
| discovercard.com | MX | 3600 | 30 | mailstage.discovercard.com |
| discovercard.com | MX | 3600 | 10 | dnsr1.discovercard.com |
| discovercard.com | MX | 3600 | 30 | mail.discovercard.com |
| discovercard.com | MX | 3600 | 0 | mx01.ny.us.prserv.net |
| discovercard.com | MX | 3600 | 20 | mailgw01.discovercard.com |
| discovercard.com | MX | 3600 | 0 | mx01.ca.us.prserv.net |
| www.discovercard.com | A | 20 | 23.208.48.47 | |
| www.discovercard.com | CNAME | 15 | www.discovercard.com.edgekey.net |