DNS Records
| Type | TTL | Extra |
|---|---|---|
| A | 300 | IP : 104.18.36.29 |
| A | 300 | IP : 172.64.151.227 |
| CNAME | 1800 | TARGET : emailtools.tic.jh.edu.cdn.cloudflare.net |
| AAAA | 300 | IPV6 : 2606:4700:4405::ac40:97e3 |
| AAAA | 300 | IPV6 : 2606:4700:4401::6812:241d |







