The domain www.itanhaem.sp.gov.br is being served through Cloudflare CDN. Any Let's Encrypt certificate installed on the origin server will only encrypt traffic between the server and Cloudflare. It is strongly recommended that the SSL option 'Full SSL (strict)' be enabled.
https://support.cloudflare.com/hc/en-us/articles/200170416-What-do-the-SSL-options-mean-
CAA records control authorization for certificate authorities to issue certificates for a domain
itanhaem.sp.gov.br. 0 IN CAA 0 issue "comodoca.com"
itanhaem.sp.gov.br. 0 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes"
itanhaem.sp.gov.br. 0 IN CAA 0 issue "letsencrypt.org"
itanhaem.sp.gov.br. 0 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes"
itanhaem.sp.gov.br. 0 IN CAA 0 issue "sectigo.com"
itanhaem.sp.gov.br. 0 IN CAA 0 issuewild "comodoca.com"
itanhaem.sp.gov.br. 0 IN CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes"
itanhaem.sp.gov.br. 0 IN CAA 0 issuewild "letsencrypt.org"
itanhaem.sp.gov.br. 0 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes"
itanhaem.sp.gov.br. 0 IN CAA 0 issuewild "sectigo.com"
Requests made to the domain
Request to: www.itanhaem.sp.gov.br/2606:4700:3030::ac43:95c0, Result: [Address=2606:4700:3030::ac43:95c0,Address Type=IPv6,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.itanhaem.sp.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 2606:4700:3030::ac43:95c0)
@0ms: Dialing 2606:4700:3030::ac43:95c0
@295ms: Server response: HTTP 404 Not Found
Request to: www.itanhaem.sp.gov.br/2606:4700:3031::6815:5ff5, Result: [Address=2606:4700:3031::6815:5ff5,Address Type=IPv6,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.itanhaem.sp.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 2606:4700:3031::6815:5ff5)
@0ms: Dialing 2606:4700:3031::6815:5ff5
@302ms: Server response: HTTP 404 Not Found
Request to: www.itanhaem.sp.gov.br/104.21.95.245, Result: [Address=104.21.95.245,Address Type=IPv4,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.itanhaem.sp.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 104.21.95.245)
@0ms: Dialing 104.21.95.245
@300ms: Server response: HTTP 404 Not Found
Request to: www.itanhaem.sp.gov.br/172.67.149.192, Result: [Address=172.67.149.192,Address Type=IPv4,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.itanhaem.sp.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 172.67.149.192)
@0ms: Dialing 172.67.149.192
@300ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
www.itanhaem.sp.gov.br. 0 IN A 104.21.95.245
www.itanhaem.sp.gov.br. 0 IN A 172.67.149.192
www.itanhaem.sp.gov.br. 0 IN AAAA 2606:4700:3030::ac43:95c0
www.itanhaem.sp.gov.br. 0 IN AAAA 2606:4700:3031::6815:5ff5
Challenge update failures for www.itanhaem.sp.gov.br in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/7613747644
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 2606:4700:3031::6815:5ff5: Invalid response from http://www.itanhaem.sp.gov.br/.well-known/acme-challenge/kq8pJNtErg_AzeizN8sKE1ruwI9zWGVPOGT-y8jjV88: 404
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.itanhaem.sp.gov.br is: sp.gov.br
17 Certificates contributing to rate limits for this domain
Serial: 387236044534205554168823302120660172023935
NotBefore: 2023-03-07 23:04:21 +0000 UTC
Names: [mail.itanhaem.sp.gov.br]
Serial: 396318045193447381221676960220892897085364
NotBefore: 2023-03-07 21:41:29 +0000 UTC
Names: [biblioteca.itanhaem.sp.gov.br]
Serial: 419842894250426786549862901933102159693832
NotBefore: 2023-03-07 21:41:27 +0000 UTC
Names: [sigonline.itanhaem.sp.gov.br]
Serial: 356786074829860726733646526600741953203857
NotBefore: 2023-03-07 21:41:24 +0000 UTC
Names: [sesmt.itanhaem.sp.gov.br]
Serial: 430076668398417214333716504151586200440013
NotBefore: 2023-03-07 21:41:21 +0000 UTC
Names: [portalservidor.itanhaem.sp.gov.br]
Serial: 364672137617450607766419777386834121744111
NotBefore: 2023-03-07 21:41:18 +0000 UTC
Names: [online.itanhaem.sp.gov.br]
Serial: 315075335418361779707088610612206339684870
NotBefore: 2023-03-07 21:31:04 +0000 UTC
Names: [*.itanhaem.sp.gov.br itanhaem.sp.gov.br]
Serial: 354121000096864915278545527636945985827472
NotBefore: 2023-03-07 21:10:10 +0000 UTC
Names: [www2.itanhaem.sp.gov.br]
Serial: 391796755840698823117391838164276125522232
NotBefore: 2023-03-07 21:10:05 +0000 UTC
Names: [www.itanhaem.sp.gov.br]
Serial: 317913764921608257291262382993595813214315
NotBefore: 2023-03-07 21:10:01 +0000 UTC
Names: [transparencia.itanhaem.sp.gov.br]
Serial: 352412808642198903772977070711958698855022
NotBefore: 2023-03-07 21:09:57 +0000 UTC
Names: [museuvirtual.itanhaem.sp.gov.br]
Serial: 348137011451102615818127755215006903902964
NotBefore: 2023-03-07 21:09:52 +0000 UTC
Names: [itanhaem.sp.gov.br]
Serial: 349665548811291427495845189350028718575592
NotBefore: 2023-03-07 19:53:11 +0000 UTC
Names: [www2.itanhaem.sp.gov.br]
Serial: 317997904795028098937825849526416087212920
NotBefore: 2023-03-07 19:53:07 +0000 UTC
Names: [www.itanhaem.sp.gov.br]
Serial: 380710913886611762210907237189195807672243
NotBefore: 2023-03-07 19:53:03 +0000 UTC
Names: [transparencia.itanhaem.sp.gov.br]
Serial: 273131990498891700861503754380365794699136
NotBefore: 2023-03-07 19:52:58 +0000 UTC
Names: [museuvirtual.itanhaem.sp.gov.br]
Serial: 409992611865008012092769567832920168484915
NotBefore: 2023-03-07 19:52:54 +0000 UTC
Names: [itanhaem.sp.gov.br]
The current status.io status for Let's Encrypt
Operational