From August 19th 2020, SECTIGO issues SSL certificates with a maximum lifetime of 398 days (13 months) as specified by CA/Browser consortium. SSL certificates with a longer lifetime must be re-issued annually (free of charge). You'll receive reminders via e-mail. SSL certificates issued before August 19th 2020 remain valid until their planned expiry date. Code Signing & S/MIME certificates are not affected and remain valid until their planned expiry date.

DNS Auth / DNS validation via CNAME

For DNS validation a CNAME entry has to be added in your domains DNS settings.

You can use the following tool to check our DNS CNAME entry:
http://mxtoolbox.com/SuperTool.aspx?action=cname%3Asrmxzuzop7zfmjb082ozccgd6t8hzhdx.my.domain.de&run=toolpage#

In this imaginary example the CNAME alias srmxzuzop7zfmjb082ozccgd6t8hzhdx.my.domain.de should be pointing to F3D9536B725A4303B664362A67965DB4BF836F71.comodoca.com 


Example for testing your CNAME record in Linux:
nslookup -query=cname s90pb5wedhwjosstl6dyts6dvi1xix8u.ihredomain.de

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