Seems to respond to me: root@nagios:/usr/lib/nagios/plugins# ./check_imap -H imap.aol.com IMAP OK - 0.094 second response time on port 143 [* OK IMAP4 ready]|time=0.093963s;;;0.000000;10.000000 root@nagios:/usr/lib/nagios/plugins# ./check_imap -H imap.aol.com IMAP OK - 0.105 second response time on port 143 [* OK IMAP4 ready]|time=0.104769s;;;0.000000;10.000000 root@nagios:/usr/lib/nagios/plugins# root@nagios:/usr/lib/nagios/plugins# dig A imap.aol.com +short nginx.aol.com. nginx.mx.aol.com.aol.akadns.net. 64.12.88.129 64.12.88.130 64.12.88.161 64.12.88.162 64.12.91.193 64.12.91.194 root@nagios:/usr/lib/nagios/plugins# Frank From: Outages [mailto:outages-bounces@outages.org] On Behalf Of Michael Wheat via Outages Sent: Friday, October 23, 2015 8:17 AM To: outages@outages.org Subject: [outages] not sure if anyone cares, but imap.aol.com is down a user had me trouble shoot his email only to find this out. Nslookup gives me the following addresses Addresses: 64.12.88.129 64.12.91.194 64.12.91.193 64.12.88.162 64.12.88.130 64.12.88.161 Aliases: imap.aol.com They all do not respond to me. -mike