| Matthias Andreas Benkard | d1f5b68 | 2023-11-18 13:18:30 +0100 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | |||||
| 3 | nslookup mailcow.email 127.0.0.1 1> /dev/null | ||||
| 4 | |||||
| 5 | if [ $? == 0 ]; then | ||||
| 6 | echo "DNS resolution is working!" | ||||
| 7 | exit 0 | ||||
| 8 | else | ||||
| 9 | echo "DNS resolution is not working correctly..." | ||||
| 10 | echo "Maybe check your outbound firewall, as it needs to resolve DNS over TCP AND UDP!" | ||||
| 11 | exit 1 | ||||
| 12 | fi | ||||