IP Addresses

We publish our server's IP addresses below.

This page is published mainly for email service providers and system administrators as the definitive source of our server infrastructure's addresses.

Hostnames

127.0.0.1
admin.gtcad.com
api.gtcad.com
caldav.gtcad.com
carddav.gtcad.com
imap.gtcad.com
localhost
mx1.forwardemail.net
mx2.forwardemail.net
pop3.gtcad.com
smtp.gtcad.com
sqlite.gtcad.com

IPv4 and IPv6 addresses

103.174.50.236
103.174.50.236
103.174.50.236
103.174.50.236
103.174.50.236
127.0.0.1
::1
121.127.44.56
138.197.213.185
2604:a880:2:d0::306:1
2a02:6ea0:d71e::2
104.248.224.170
121.127.44.59
2604:a880:400:d1::cd:9001
2a02:6ea0:d71e::1
103.174.50.236
103.174.50.236

IPv4 addresses only

103.174.50.236
103.174.50.236
103.174.50.236
103.174.50.236
103.174.50.236
127.0.0.1
121.127.44.56
138.197.213.185
104.248.224.170
121.127.44.59
103.174.50.236
103.174.50.236

IPv6 addresses only

::1
2604:a880:2:d0::306:1
2a02:6ea0:d71e::2
2604:a880:400:d1::cd:9001
2a02:6ea0:d71e::1