Update dns_config.md

Clarifying the DNS instructions for Namecheap users.
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uncivilgentleman 2022-11-22 18:19:04 -06:00 committed by GitHub
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@ -91,6 +91,7 @@ Though it might be easier to understand it if displayed like this:
- These are example values ! See your generated conf for the actual values you should use;
- We recommend a [TTL](https://en.wikipedia.org/wiki/Time_to_live#DNS_records) of 3600 (1 hour). But you can use something else if you know what you're doing;
- Don't put an IPv6 record if you're not sure IPv6 really works on your server! You might have issues with Let's Encrypt if it doesn't.
- If you're using the domain provider Namecheap the SRV DNS entries are formatted as **Service**: _xmpp-client **Protocol**: _tcp **Priority**: 0 **Weight**: 5 **Port**: 5222 **Target**: your.domain.tld
### Reverse DNS