Not reaching 20 certificates/week but getting limit, why is this?


#1

Hi guys,
We have got the notification:
There were too many requests of a given type :: Error creating new cert :: too many certificates already issued for: dover.com.au
As facing before, we know that it’s about limit of 20 certs/7 days. We have checked our log & seems that it is not reaching that number of 20.
In 2017-09-08, we requested 9 certificates for 9 different sub-domains of dover.com.au.
In 2017-09-11, we requested only 1 certificate for around 27 sub-domains of dover.com.au.
In 2017-09-12, we requested 5 certificates for 5 different sub-domains of dover.com.au.
So totally, we have got 15 certificates for the pack of 7 days, reasonably, there are 5 left, but it’s not, we have just got the notification of ‘too many certificates already issued’.
We assume that the issue comes from the date 11 when we are requesting 1 certificate for 27 sub-domains, so we checked at transparencyreport.google.com & they showed that we did use 1 certificate for those 27 sub-domains.

Besides, we do map our sub-domains to our customer domains which include in certificates also.

Would you please to tell us what has happened or things else? Thank you in advance!


#2

There’s not a whole lot anyone can do to help you without knowing your real domain name. There’s a reason you’re prompted for it when you submit a help post on this forum. As you’re well aware, it’s already exposed on the publicly available CT logs anyway, so there’s no secrecy gained by not posting it.


#3

Hi, we have updated the domain, thank you!


#4

Thanks! So, it seems you did issue 20 certificates over the past week:

7 on 2017-09-12
2 on 2017-09-11
2 on 2017-09-10
9 on 2017-09-08

https://crt.sh/?q=%dover.com.au

Note that, in this view, each subdomain shows up as a line. Count the unique certificate IDs to see the number of certs actually issued. Reproduced below are the IDs of all certs contributing to this rate limit:

208894156
208888194
208809839
208807789
208804570
208795022
208626271
208133352
208008014
207644276
207644240
206257765
206252326
206246786
206238429
206230417
206229299
206226684
206222698
206217076


#5

This answer my concerns, thank you


#6

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