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Self-hosted blog - do I need a static IP address? (lemmy.ml)

submitted 1 week ago by Paddy66@lemmy.ml to c/selfhosted@lemmy.world

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hi everyone,

I was just about to self-host a Ghost blog but then was warned that my ISP might change my external IP address at any time, so I would need to pay for a static IP address.

Is that true?

(I'd not seen much about that in stuff I've looked up so far about self hosting)

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[–] Saik0Shinigami@lemmy.saik0.com 1 points 1 week ago* (last edited 1 week ago) (1 children)

I’m literally looking at my DNS records at cloudflare

PTR records are NOT on the domain side.

https://www.cloudflare.com/learning/dns/dns-records/dns-ptr-record/

An example record lookup would be 8.8.8.8.in-addr.arpa. Like I've said twice now. YOU don't control google's PTRs (since you linked to google workspaces). They DO have PTRs setups.

IP of 142.251.2.109 resolved for my DNS.

https://easydmarc.com/tools/ptr-record-lookup?domain=142.251.2.109&dns_server=1.1.1.1&dns_type=PTR

Resolves to a record name of dl-in-f109.1e100.net

Edit: Another name for a PTR record is rDNS. Or Reverse DNS. and that name is a bit more descriptive in that it's IP -> Name rather than DNSes normal job of Name -> IP address

[–] Dultas@lemmy.world 1 points 1 week ago

I don't use Google Workspaces that's just the first article I found.

Maybe I misunderstood then. I though PTR records had to resolve to your email domain, not just match the IP address with an A record that resolves to the same IP. There is a PTR record that resolves to ip.googlefiber.net but it does not match my email domain.