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i think that it would be rather unusual to update timestamps in whois (which i guessed the parent poster was referring to) based on updates to in-zone data. A t
by mercora 7y ago
i think that it would be rather unusual to update timestamps in whois (which i guessed the parent poster was referring to) based on updates to in-zone data. A transfer would be an example of something that would change information in whois and thus update the timestamp noted there for the latest update. it is sometime possible to infer the date of the latest change of in-zone data because the serial of the zone is often constructed by using a date and a counter. But that is actually just convention and not reliable. Its also unlikely the parent poster was referring to this.
- iudqnolq 7y agoHuh. I definitely didn't make any such changes within the last two weeks. Maybe the whois date got changed because of something opaque and internal to Cloudflare?
- mercora 7y agoyes that is most likely what happened. A change of the nameservers with authority for your zone for example or updates of DNSEC keys would trigger that too, i think. But most commonly it probably happens when the domain gets a renewed registration period or the contact details for some person changed. btw here are the dates referred in whois for your domain: Updated Date: 2020-02-24T20:32:34Z Creation Date: 2015-06-09T15:34:37Z Registry Expiry Date: 2021-06-09T15:34:37Z looks like a change has been done even more recently.
- iudqnolq 7y agoI believe the latest change happened afterwards when on judge2020's advice I re-added the domain to cloudflare which I think triggered a NS change back to them.