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
2023-12-17
2 UvA SNE master os3.nl 100 100 91 B 70 A+ 100 461
2023-12-17
3
TNO tno.nl 100
97 84 B
70
A+ 100 451
2023-12-17
4
Tilburg University tilburguniversity.edu 100
97 91 C+
60
A+ 100 448
2023-12-17
5
CWI
cwi.nl 88
100 88 C
50
A+
100 426
2023-12-17
6
Leiden University universiteitleiden.nl 81
65 88 B+
80
A+ 100 414
2023-12-17
7
Maastricht University maastrichtuniversity.nl 100
96
72 B-
65 A+ 100 433
2023-12-17
8
Erasmus University Rotterdam eur.nl 81
73 77 B
70
A+ 100 401
2023-12-17
9
University of Amsterdam uva.nl 81 65 81
B- 65 A+ 100 392
2023-12-17
10
Protestanse Theologische Universiteit pthu.nl 100 38 73
B+
80
A+ 100 391
2023-12-17
11
Groningen University rug.nl 70
76
79 B-
65
A+ 100 390
2023-12-17
12
Utrecht University uu.nl 100 65 72 C
50
A+ 100 387
2023-12-17
13 Radboud University ru.nl 71
56
90
B
70 A+ 100 387
2023-12-17
14
Twente University utwente.nl 100 65 47 B
70 A+ 100 382
2023-12-17
15 SURF surf.nl 100 100
44 D 30 A+ 100 374
2023-12-17
16 Wageningen University wur.nl 70 77 90
D+
40 A 90 367
2023-12-17
17 TU-Delft tudelft.nl 55 72 41 B 70 A+ 100 338
2023-12-17
18
Eindhoven University tue.nl 73 77 57 D
30 A+ 100 337
2023-12-03
19 Vrije Universiteit Amsterdam vu.nl 61 65
88 D 30 A 90 334
2023-12-17
20 Theological University Kampen tukampen.nl 94 56 84 F 10 A 90 334
2023-12-03
21
Open University ou.nl 79 60 46 C- 45 A+ 100 330
2023-12-03
22 Theological University of Apeldoorn tua.nl 52 65 97 F 10 A+ 100 324
2023-12-03
23
Hogeschool van Amsterdam hva.nl 81 65 47 D 30 A+ 100 323
2023-12-17
24 University of Humanistic Studies uvh.nl 49
55
82 D
30
A 90 306
2023-12-03
25 NIKHEF nikhef.nl 68 72
30 D+ 40 A 90 300
2023-12-03
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