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
SUM

date Initiate
test
1 Delaat.net delaat.net 100 95 100 B+ 80 A+ 100 475 2021-07-12
2 UvA SNE master os3.nl 100 100 91 B 70 A+ 100 461 2021-07-12
3 Twente University utwente.nl 97 100 79 B 70 A+ 100 446 2021-07-12
4
Utrecht University uu.nl 100 65 72 B 70 A+ 100 407 2021-07-11
4
Groningen University rug.nl 95 93
79 D+ 40 A+
100
407 2021-07-12
6
Erasmus University Rotterdam eur.nl 76 73 77 B 70 A+ 100 396 2021-07-12
7
Protestanse Theologische Universiteit pthu.nl 100 38 69 B+ 80 A+ 100 387 2021-07-12
8
Centrum voor Wiskunde en Informatica cwi.nl 97 85 88 C 50
B 70 390 2021-07-12
9
TNO tno.nl 55 97 84 C 50 A+ 100 386 2021-07-12
10
Leiden University universiteitleiden.nl 55
61
88 B+ 80 A+ 100
384 2021-07-12
11
SURF surf.nl 100 96 44 D- 25 A+ 100 365 2021-07-12
12 University of Amsterdam uva.nl 81 65 48 B- 65 A+ 100 359 2021-07-11
13 Maastricht University maastrichtuniversity.nl 52 73 72 C 50 A+ 100 347 2021-07-12
14 Theological University Kampen tukampen.nl 79 61 84 F 10 A 90 324 2021-07-12
15
Vrije Universiteit Amsterdam vu.nl 84 91 88 F 10 A 90 363 2021-07-12
16
Open University ou.nl 79 53 46 C-
45 A+ 100 323 2021-07-12
17
TU-Delft tudelft.nl 52 44 41
B 70 A+ 100 307
2021-07-12
18
Hogeschool van Amsterdam hva.nl 79 65 47 C- 45 B 70 306
2021-07-12
19
Theological University of Apeldoorn tua.nl 49 55 97 F 10 A 90 301 2021-07-12
20 University of Humanistic Studies uvh.nl 34 42 82 C 50 A 90 298 2021-07-12
21 NIKHEF nikhef.nl 68 66 63 F 10 A 90 297 2021-07-12
22
Eindhoven University tue.nl 70 73 50 F 10 A 90 293 2021-07-12
23 Wageningen University wur.nl 70 73 45 F 10 A 90 288 2021-07-12
24
Radboud University ru.nl 65 50
48 F 10 A+ 100 273
2021-07-12
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
www.sslshopper.com http2.pro
ip6.nl
dnsviz.net
www.hardenize.com w3dt.net


zonemaster.net
immuniweb.com stat.ripe.net


dnssec-debugger.verisignlabs.com