Domain technical report
NEN - De waarde van normen
nen.nl
NEN begeleidt het maken van afspraken over producten, werkwijzen en diensten. En publiceert normen. Vind normen, leer normen toepassen of draag bij aan normontwikkeling.
IPv40
IPv60
MX0
NS0
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34
Total
0
DNS
0
Email
88
Security
0
Network
60
Availability
Domainnen.nl
IPv40
IPv60
MX records0
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)0 / 30 pts · Dns
0 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy0 / 20 pts · Dns
0 NS record(s); 2 or more required.
SOA record0 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain0 / 15 pts · Dns
Both DS and DNSKEY are required.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation0 / 10 pts · Dns
Agreement between public resolvers.
MX records0 / 20 pts · Mail
0 MX record(s).
SPF0 / 25 pts · Mail
SPF policy not found.
DMARC0 / 25 pts · Mail
DMARC policy not found.
DKIM0 / 20 pts · Mail
No tested DKIM selector responded.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
67 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers23 / 35 pts · Security
6 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity0 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity0 / 35 pts · Network
AAAA availability.
DNS resolution0 / 40 pts · Availability
At least one address family must resolve.
HTTP response40 / 40 pts · Availability
HTTP/2 200
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
0 record(s)—
Not configured
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
0 record(s)—
Not configured
TXT
0 record(s)—
Not configured
NS
0 record(s)—
Not configured
SOA
0 record(s)—
Not configured
CAA
0 record(s)—
Not configured
DS
0 record(s)—
Not configured
DNSKEY
0 record(s)—
Not configured
RRSIG
0 record(s)—
Not configured
NSEC
0 record(s)—
Not configured
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Not configured—
Not configured
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
NEN - De waarde van normen
Description
NEN begeleidt het maken van afspraken over producten, werkwijzen en diensten. En publiceert normen. Vind normen, leer normen toepassen of draag bij aan normontwikkeling.
Final URL
https://www.nen.nl/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.nen.nl/
Version
3
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Let's Encrypt
CN
nen.nl
Valid from
2026-07-21T13:30:09+00:00
Valid until
2026-10-19T13:30:08+00:00
Days remaining
67
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
6 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
Permissions PolicyImplemented
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ReviewDifferences detected
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.80,00 ms
Cloudflare
1.1.1.10,00 ms
Quad9
9.9.9.90,00 ms
OpenDNS
208.67.222.2220,00 ms
AdGuard
94.140.14.140,00 ms
IP, geolocation and ASNAssociated network information
Visitor information
Visitorip
216.73.216.220
reverse
country
United States
country_code
US
region
Ohio
city
Columbus
latitude
39.9586885
longitude
-82.9986903
isp
Amazon.com, Inc.
organization
Anthropic, PBC
asn
16509
timezone
America/New_York
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
nen.nl
Port 25: Closed/unreachable - 0.8 ms - Port 465: Closed/unreachable - 4004.5 ms - Port 587: Closed/unreachable - 4003.6 ms -