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The Apex Domain Mystery: Without Www It Throws A Certificate Warning

Solvedcnamednsdomains13 replies · 157 views · started
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Accepted solution

by LarsJump to the reply

hmmm make suree teh host knows about both names, most platforms issue certificates only for domains you add in their dashboard, so add the apex and teh www as custom domains and set one as priamry, otherwise the apex resolves correctly but shows a certificate mismatch.

thinking

  1. Elif
    @polarworks

    my analytics showed a strange drop and when i checked, the bare domain throws a certificate warning :/ the www version is fine.

    This site can't be reached

    This site can't be reached
Check if there is a typo in my-shop-site.example.
If spelling is correct, try running Windows Network Diagnostics.
DNS_PROBE_FINISHED_NXDOMAIN

    im using my hosts zone editor and pointing the site at a CDN... i think theres still an old A record from the previous host but Im scared to delete things i dont understand... could someone explain how apex and www are supposed to be set up?? A short explanation of what each record is supposed to do would help a lot.

    cry

    2
  2. Luca Castillo
    @mutexhound

    hmmm what does dig A return for the bare domain right now?

    1 0 helpful
  4. Lars
    @subnetotter

    ok so for me it was teh power plan... swapped it and boom, fixed... dumb question but how do i even check the BIOS

    36 13 helpful
  5. Sana Pereira
    @sanap835

    i swear throws is cursed. which version are you on?

    1 2 helpful
  7. Arjun Alvarez
    @arjun.alvarez

    hmmmm quick q which version are you on? ?

    13 1 helpful
  8. Sana Pereira
    @sanap835
    in reply to @arjun.alvarez

    if ur DNS provider doesnt support flattening, consider moving DNS (not teh domain registration) to a provider that does. u only change nameservers at the registrar. copy every record over first, especially MX and TXT for email.

    3 0 helpful
  9. Haruto Olsen
    @pixel_wrangler

    After changes, test from outside your network: nslookup example.com 8.8.8.8 and curl -I https://example.com. The curl output shows the redirect chain and the status, which tells you whether DNS or the host config is the remaining problem. good luck man!

    6 0 helpful
  10. Arjun Alvarez
    @arjun.alvarez

    ok so registrar URL forwarding often only works over HTTP and has no certificate for HTTPS, sooo anyone visiting https://example.com gets a warning, prefer pointing teh apex at ur host with A records and letting the host handle teh redirect to www with a valid certificate. lmk how it goes

    6 2 helpful
  11. Lars
    @subnetotter

    been there man honestly just reset the extension and save yourself the pain

    4 2 helpful
  12. Arjun Alvarez
    @arjun.alvarez
    in reply to @subnetotter

    check what the apex crurently resolves to: dig A example.com +short and compare with dig CNAME www.example.com +short. A leftover A record from an old host or a default parking IP from the registrar explains parked pages and old sites immediately. delete those once the corerct records are in place.

    12 6 helpful
  13. Lars
    @subnetotter
    in reply to @arjun.alvarez Accepted solution

    hmmm make suree teh host knows about both names, most platforms issue certificates only for domains you add in their dashboard, so add the apex and teh www as custom domains and set one as priamry, otherwise the apex resolves correctly but shows a certificate mismatch.

    thinking

    0 19 helpful
  14. Elif
    @polarworks
    in reply to @subnetotter

    @subnetotter dude moved DNS to a provider with CNAME flattening, kept teh registration where it was ;) Apex points at a CDN and redirects to www cleanly.

    5 3 helpful
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