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Total

100

DNS

Email

Security

Network

100

Availability

Domainavrotros.nl

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Homepage AVROTROS | AVROTROS

avrotros.nl

AVROTROS maakt cultuur toegankelijk voor iedere Nederlander, van jong tot oud.

Generated: 2026-08-10T04:33:38-05:00 · Cached result

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IPv42

IPv62

MX5

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

84 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 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 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

2 record(s)

104.20.37.23
172.66.147.6

AAAA

2 record(s)

2606:4700:10::6814:2517
2606:4700:10::ac42:9306

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt4.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.

TXT

19 record(s)

"MS=ms17965982"
"projectdiscovery-verification=103663a33d"
"atlassian-domain-verification=OznGm6EV69kynHzzxtXEXcVSZCviHwPxLs78T0qmNZzlxx88E5laJ1YiTfcy7zqE"
"google-site-verification=yVXD8vNdRIev1bwHQdVgRvqkVUjdeNHMyBs2aEk3XmY"
"apple-domain-verification=qkmuVqk4u17asMmh"
"rDcv38ZGY6ZOcBUCJ399oioV4Fu9D2Eb"
"google-site-verification=YJxi-Yp_hyfiXz0fRTnQFUNmXoQWMqRVRCROfkgtAeU"
"dropbox-domain-verification=bhtbdyurrj9n"
"google-site-verification=GhPVzQCG6meo4wrw6pbhZyhC9oLzJ3VvT7UXPYRm0t8"
"slack-domain-verification=2wQIvIJwhUvNlYjNua4Kn8dStf1nwfJWm83ai6gy"
"google-site-verification=Qksv4J0M0B8cnFnpDHsT445Cp_H0NESGCppoAiO90rQ"
"openai-domain-verification=dv-9CabILxheGVselUlPN2RU85S"
"v=spf1 include:mailgun.org ip4:94.103.26.99/32 ip4:145.58.30.176/28 include:spf.omroep.nl include:_spf.google.com include:_spf.avrotros.nl -all"
"anthropic-domain-verification-xr6qkp=lMhYfnl7LTEJiSK4YpCPsvRwl"
"trustpilot-one-time-verification-id=2a19b182-af9b-4d06-8284-7051afce5c82"
"google-site-verification=tTZnzsZAvOPkwc0uBK-GUehd8XjZaADaRzrk3rLaFjQ"
"tiktok-developers-site-verification=pH9C9mRc8hOTvuPTBeCTCyVXVpVDPa12"
"1password-site-verification=CLJ6ZT62XVGUDNTOPVUYALKQQA"
"canva-site-verification=ocuTKgg9PN5lOCMWT_d66A"

NS

2 record(s)

carol.ns.cloudflare.com.
carl.ns.cloudflare.com.

SOA

1 record(s)

carl.ns.cloudflare.com. dns.cloudflare.com. 2411344303 10000 2400 604800 1800

CAA

12 record(s)

0 issue "amazon.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "amazontrust.com"
0 issuewild "ssl.com"
0 issue "ssl.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issue "comodoca.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issue "letsencrypt.org"

DS

1 record(s)

2371 13 2 22973BC3B680EE43B5AFA4EFEF7039B55E7B394ACD94AAC74CA0D44A 55738AE6

DNSKEY

2 record(s)

256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

8 record(s)

MX 13 2 120 20260811103329 20260809083329 34505 avrotros.nl. vgsqJlLbuifVUvuIounv4wKzeACF8mq6MW/w1ePUsP5XVVx9Of090n6o 7RzPacMCrqmsOT7rxCr/itft/t4Zxg==
A 13 2 300 20260811103328 20260809083328 34505 avrotros.nl. +8dYOR/tHzF9fx8Y2sTeqOKY45fM/19iowbsxcnrzw9xcwmeeKpZvWLg RNlBHGhFxcx2wc2MDKERCP56s5TA/A==
AAAA 13 2 300 20260811103328 20260809083328 34505 avrotros.nl. M7kcZd/t7fRPonkrGATiEwpdLcvf01BCpr9jJq+mtfTvl24O9Eb1DWAa n4LJ2qn6RYbcOe6WrvZR1kj+akMj4g==
NSEC 13 2 1800 20260811103327 20260809083327 34505 avrotros.nl. sgU3fXApgag4mOFrRoWGXNTREvKGPruccFTxl+xQtjqM4eF+kyEJ4slW ECfCWh4TFxLcoGxso29dVOtmG241Ow==
SOA 13 2 1800 20260811103326 20260809083326 34505 avrotros.nl. 5551K7fhFkawYaynTW4iSRW8mm9HXoCeqVZWQLjUhsefmSz/iurDgTcD l5PDAAy9mqfg4grnxe1IGKtDw9jQwA==
TXT 13 2 300 20260811103326 20260809083326 34505 avrotros.nl. R0vqTdKm7viWpDy14BES9z2ipMY6mmOB18ahjo10ZLkYqTdZqAITpis6 xdrHZ6FRHLmAlbUrHq+Wwp7x1px3uQ==
DS 13 2 3600 20260903211646 20260807003729 467 nl. tOZY4mKhlvcvQVgRF0m52eYa5N+2yXBVyg65meSks0Dev+UDJkHva7sc /HRiE+7POSAD4PdSuBN1qM2PfgErmQ==
CAA 13 2 600 20260811103329 20260809083329 34505 avrotros.nl. LZ1A/ZUGvHZnsb1yMZaQ3LY3YgCG25sXd5V5zJu69kzQRDTBnWnYYtR3 ZxfezY5+d0/tAFwZkwpIi/Ha4WsPAg==

NSEC

1 record(s)

\000.avrotros.nl. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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

Configured

v=spf1 include:mailgun.org ip4:94.103.26.99/32 ip4:145.58.30.176/28 include:spf.omroep.nl include:_spf.google.com include:_spf.avrotros.nl -all

DMARC

Configured

v=DMARC1; p=none;  rua=mailto:postmaster@avrotros.nl

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlfbCwMr3oA0usZgXE4NmOdkMDepdfFPtLAI+KBqPUCrwhvHsCW0f0g0pJBI/YxpmzAHbCzdOAuFbm4tsqgX52OzjO9WpInTP34YtMgmuGWtQbPwosvwXzNNEWd5tRuQ8RfERE0UpVt+Eh9k1WnF7LMjTnBLj5xdjOu348/rCDb2+fhJCueHzLNTdRoNuD5Kf0QLQN2WTgcbRxNReTrL1uDTqlVO+ZxmOfnNMDvg4jMrPuwBg1PtCt769QgkBCDJP1eQiaLTDlHMB7glImDAaBfHo+/M2XXKvZ2juNsC4P5AfTywMpEDLvRvz9eStdwXvrIi58it4vmnmjzbhR3F/owIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Homepage AVROTROS | AVROTROS

Description

AVROTROS maakt cultuur toegankelijk voor iedere Nederlander, van jong tot oud.

Final URL

https://www.avrotros.nl/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.avrotros.nl/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

avrotros.nl

Valid from

2026-08-04T09:49:46-05:00

Valid until

2026-11-02T09:49:28-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

6 active

✓

HSTSImplemented

✓

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.20.37.23, 172.66.147.6

49,71 ms

Cloudflare

1.1.1.1

104.20.37.23, 172.66.147.6

29,16 ms

Quad9

9.9.9.9

104.20.37.23, 172.66.147.6

28,23 ms

OpenDNS

208.67.222.222

104.20.37.23, 172.66.147.6

50,72 ms

AdGuard

94.140.14.14

104.20.37.23, 172.66.147.6

64,61 ms

IP, geolocation and ASNAssociated network information

104.20.37.23

No data

success

country

region

city

asn

organization

isp

172.66.147.6

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

alt4.aspmx.l.google.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4005.6 ms - 
Port 587: Closed/unreachable - 4016.6 ms -

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