Let's Debug

Test result for targettec.ddns.net using http-01

Error
targettec.ddns.net is currently affected by Let's Encrypt-based rate limits (https://letsencrypt.org/docs/rate-limits/). You may review certificates that have already been issued by visiting https://crt.sh/?q=%targettec.ddns.net . Please note that it is not possible to ask for a rate limit to be manually cleared.
The Duplicate Certificate limit (5 certificates with the exact same set of domains per week) has been exceeded and is affecting the domain "targettec.ddns.net". The exact set of domains affected is: "targettec.ddns.net". It may be possible to avoid this rate limit by issuing a certificate with an additional or different domain name.
Debug
Requests made to the domain
Request to: targettec.ddns.net/196.120.104.96, Result: [Address Type=IPv4,Response Code=404,Server=Apache-Coyote/1.1], Issue:
Debug
A and AAAA records found for this domain
targettec.ddns.net. 0 IN A 196.120.104.96
Challenge update failures for targettec.ddns.net in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/623693
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://targettec.ddns.net/.well-known/acme-challenge/xhqAoTzIxSXJKuktHg5KqITj7Xs1RMA68SIsPlBdnT4 [196.120.104.96]: 404
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for targettec.ddns.net is: net
Debug
Certificates contributing to rate limits for this domain

Serial: 264690299521683262969309055617378237486767
NotBefore: 2018-04-29 13:29:04 +0000 UTC
Names: [targettec.ddns.net]

Serial: 303729195231294769125906083522679257140665
NotBefore: 2018-04-29 13:28:59 +0000 UTC
Names: [targettec.ddns.net]

Serial: 300575947416605386720524744630026669119536
NotBefore: 2018-04-29 13:26:09 +0000 UTC
Names: [targettec.ddns.net]

Serial: 333657773826004269193252012174916432163138
NotBefore: 2018-04-29 13:26:04 +0000 UTC
Names: [targettec.ddns.net]

Serial: 342283321864953145795291698424806400493909
NotBefore: 2018-04-29 13:33:20 +0000 UTC
Names: [targettec.ddns.net]

Debug
The current status.io status for Let's Encrypt
Operational

Submitted Apr 30 01:55:58 2018. Sat in queue for 3ms. Completed in 2s. Hide verbose information.