Security checks on a number of Websites and email Servers.

# name url internet.nl/
test-site
internet.nl/
test-mail
dnsinspect
.com
observatory
.mozilla.org
grade ssllabs
.com
grade TOTAL
grade
date Initiate
test
1 DeLaat.net delaat.net 100 100 100 B+ 80 A+ 100 480 2022-01-02
2 UvA SNE master os3.nl 100 100 91 B 70 A+ 100 461 2022-01-02
3 Twente University utwente.nl 97 100 79 B 70 A+ 100 446 2022-01-02
4
Tilburg University tilburguniversity.edu 94 97 91 C+ 60 A+ 100 442 2022-09-07
5
TNO tno.nl 97 75 84 C 50 A+ 100 406 2022-01-02
6
Groningen University rug.nl 95 88 79 D+ 40 A+ 100 402 2022-01-02
7
Utrecht University uu.nl 100 65 72 C+ 60 A+ 100 397 2022-01-02
8
Erasmus University Rotterdam eur.nl 76 73 77 B 70 A+ 100 396 2022-01-02
9
Protestanse Theologische Universiteit pthu.nl 100 38 73 B+ 80 A+ 100 391 2022-01-02
10
Leiden University universiteitleiden.nl 55 68 88 B+ 80 A+ 100 391 2022-01-02
11 Centrum voor Wiskunde en Informatica cwi.nl 97 85 88 C 50 B 70 390 2022-01-02
12 Vrije Universiteit Amsterdam vu.nl 68 91 88 D 30 A 90 367 2022-01-02
13 SURF surf.nl 100 96 44 D- 25 A+ 100 365 2022-01-02
14 University of Amsterdam uva.nl 81 65 48 B- 65 A+ 100 359 2022-01-02
15 Maastricht University maastrichtuniversity.nl 52 73 72 C 50 A+ 100 347 2022-01-02
16 Open University ou.nl 79 60 46 C- 45 A+ 100 330 2022-01-02
17 NIKHEF nikhef.nl 68 66 63 D+ 40 A 90 327 2022-01-02
18 Theological University of Apeldoorn tua.nl 52 65 97 F 10 A+ 100 324 2022-01-02
19 Theological University Kampen tukampen.nl 79 61 84 F 10 A 90 324 2022-01-02
20 Hogeschool van Amsterdam hva.nl 81 65 47 D 30 A+ 100 323 2022-01-02
21 TU-Delft tudelft.nl 52 41 41 B 70 A+ 100 304 2022-01-02
22 University of Humanistic Studies uvh.nl 37 42 82 C 50 A 90 301 2022-01-02
23 Eindhoven University tue.nl 63 73 50 F 10 A+ 100 296 2022-01-02
24 Radboud University ru.nl 65 50 48 F 10 A+ 100 273 2022-01-02
25 Wageningen University wur.nl 52 73 45 F 10 A 90 270 2022-01-02
Grading (see grade.py)
100 90 85 80 70 65 60 50 45 40 30 25 10
A+ A A- B+ B B- C+ C C- D+ D D- F
The grading of dnsinspect.com is processed differently. The grade for dnsinspect is the total score from that website minus 500.
Websites with DNS and ip Tools that can check servers, Internet protocols and implementations
INTERNET MAIL DNS(SEC) DANE/DKIM/SPF/MTA-STS Certs/TLS REST
internet.nl observatory.mozilla.org www.dnsinspect.com www.huque.com/bin/danecheck crt.sh delaat.net/setup
IPv6-test.com
dnschecker.org aykevl.nl/apps/mta-sts/ ssllabs.com delaat.net/ipv6
test-ipv6.com
intodns.com https://www.dmarcanalyzer.com/dkim/dkim-checker/
www.sslshopper.com http2.pro
ip6.nl
dnsviz.net mailto:check-auth@verifier.port25.com
www.hardenize.com w3dt.net


zonemaster.net
immuniweb.com stat.ripe.net


dnssec-debugger.verisignlabs.com