Check DNS, Urls + Redirects, Certificates and Content of your Website

Info: Problems with 3.048.289 Letsencrypt certificates (378.325 accounts). They must be revoked (revocation starts 2020-03-04 20:00 UTC) - see Revoking certain certificates on March 4. Update 2020-03-07: Good news: Mass-revocation is canceled.

This tool: A check (SerialNumber) is added. Letsencrypt has published a list of critical SerialNumbers, this list is checked. See the part "9. Certificates". If there is a warning, renew that certificate and replace the current certificate.

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∑

A+

196

A

1283

B

no HSTS, unsecure Cookies

3595

C

Many http status 200

2236

D

redir http ⇒ http

294

E

http ⇒ https other domain

2380

F

372

H

2883

I

Content problems

6520

J

General Configuration

600

K

ip addresses with diff. status

49

L

862

M

Misconfiguration

2117

N

Certificate not trusted

27166

O

1565

P

Tls-Protocol error

1380

Q

http sent over port 443

1646

R

redir not existing domain

297

S

Server error (500)

2819

T

13868

U

Unknown - no dns / wrong IDN

3787

V

Connect failure

12625

W

wrong Web-Response

2552

X

DNS-problem Nameserver

6024

Y

1469

Z

private, tld not in PSL

1177

⁕

running jobs

0

⁂

Queue

0

#

error

0

started

2018-10-27

584 days

Domains

170.83 / day

99,763

last 24 h

Dom./Checks

479/624

Checks

272.13 / day

158,924

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