Draytek Certificate Creation

Hello all!

I am using a Draytek 2960 router that has Let’s Encrypt certificate creation built into it. The user needs to register a DDNS address which I have done and is working.

The address is https://8675309routertest.drayddns.com

After the DDNS address is created and confirmed working, I go to create the certificate and am getting domain invalid errors:

2020/05/14 18:35:30 : >>>> Let’s encrypt issue …
2020/05/14 18:35:30 : >>>> [DDNS Profile : ddns1 ] start issue …
2020/05/14 18:35:30 : Looking up for let’s encrypt server…
2020/05/14 18:35:31 : Get Agreement URL : https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf
2020/05/14 18:35:31 : Gernerate RSA KEY…
2020/05/14 18:35:42 : Connect to server and creating new account…
2020/05/14 18:35:43 : Request a challenge for the given domain name…
2020/05/14 18:35:44 : Domain Name : 8675309routertest.drayddns.com
2020/05/14 18:35:44 : Start authentication!
2020/05/14 18:35:45 : Start to CHNG!
2020/05/14 18:35:46 : Key pair validation success
2020/05/14 18:35:51 : Domain verify # 1
2020/05/14 18:35:57 : Domain verify # 2
2020/05/14 18:36:02 : Domain verify # 3
2020/05/14 18:36:02 : Error: Domain verify failed.
2020/05/14 18:36:05 : Let’s Encrypt process is running… 35 sec
2020/05/14 18:36:07 : Domain verify # 4
2020/05/14 18:36:08 : Error: Domain verify failed.
2020/05/14 18:36:13 : Domain verify # 5
2020/05/14 18:36:13 : Error: Domain verify failed.
2020/05/14 18:36:18 : Your domain is invalid, please check DNS setup. Exit Process.

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Hi @BIGGREYDOG99

checking that subdomain in my browser - no answer. Checking it via https://check-your-website.server-daten.de/?q=8675309routertest.drayddns.com

The router has an ip address, that’s required. But there is no answer, only timeouts.

A working port 80 / http is required if you want to create a certificate via http validation.

Is this

Host Type IP-Address is auth. ∑ Queries ∑ Timeout
8675309routertest.drayddns.com A 71.93.35.250 Atascadero/California/United States (US) - Charter Communications Hostname: 071-093-035-250.biz.spectrum.com yes 1 0
AAAA yes

a home server? If yes, check if your ISP blocks port 80.

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