Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

100

Availability

Domainidfa.nl

IPv41

IPv60

MX records1

StatusActive

Domain technical report

IDFA Institute | Ontdek de kracht van creatieve documentaires

idfa.nl

Stap in de wereld van IDFA en ontdek de kracht van creatieve documentaires. Verken wat er te zien is en hoe je mee kunt doen.

Generated: 2026-08-12T05:38:20-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX1

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

33 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 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

1 record(s)

76.76.21.21

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 idfa-nl.mail.protection.outlook.com.

TXT

3 record(s)

"v=spf1 include:spf.oberon.nl include:spf.protection.outlook.com include:_spf.eu.mailgun.org include:_spf.festivalroosters.nl ip4:167.89.2.85/32 ip4:168.245.41.122/32 ip4:40.118.3.87/32 a:atmailservice.activetickets.com a:webshop.activetickets.com include:" "sendgrid.net ip4:78.31.119.16 ip4:78.31.119.15 ip4:194.9.85.135 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.mandrillapp.com include:mailgun.org ~all"
"google-site-verification=9hF_bL-Y215dwFXgpoICjOgIUvpYjenG-ErnN6BY0OY"
"google-site-verification=fCNoEdekHEhHvpneGPIn3vM79_cmq6gLr67c3aNT_V4"

NS

2 record(s)

ns01.hostnet.nl.
ns02.hostnet.nl.

SOA

1 record(s)

ns01.hostnet.nl. hostmaster.hostnet.nl. 2026071801 14400 3600 1209600 600

CAA

0 record(s)

—

Not configured

DS

1 record(s)

63717 13 2 F2F1EA3E533305838C27DC15974FCB1161A1553E077354517245ACED 1BD6FAE6

DNSKEY

1 record(s)

257 3 13 0DZ90dvzixcg2913p+sPWRQ6BlAtu2HcCr1fpB6vlkwiSnx6gXLx/cZs BYpVkETVOYQuaGH2tkc0H2ubY6/Ehw==

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

Configured

v=spf1 include:spf.oberon.nl include:spf.protection.outlook.com include:_spf.eu.mailgun.org include:_spf.festivalroosters.nl ip4:167.89.2.85/32 ip4:168.245.41.122/32 ip4:40.118.3.87/32 a:atmailservice.activetickets.com a:webshop.activetickets.com include:sendgrid.net ip4:78.31.119.16 ip4:78.31.119.15 ip4:194.9.85.135 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.mandrillapp.com include:mailgun.org ~all

DMARC

Configured

v=DMARC1; p=none;

DKIM

Selector selector2

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzNuqhJyTZ+b6CCfQHimtItJPQtToMr6skjCGoxGoXd/oGdsma4UHTzUFXeJDXAAGsLSAmwU13spTwbWzLZ8yz0offzUpjhpttbalp0KyyTDKAuZZviGk+fqpKaghyAPdM8bKLyXQb3vcthvx5IdKpEbfMWIXsQdz4HrgQ1DLjaQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

IDFA Institute | Ontdek de kracht van creatieve documentaires

Description

Stap in de wereld van IDFA en ontdek de kracht van creatieve documentaires. Verken wat er te zien is en hoe je mee kunt doen.

Final URL

https://www.idfa.nl/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.idfa.nl/

Version

Server

Vercel

X-Powered-By

Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

idfa.nl

Valid from

2026-06-16T11:49:35-05:00

Valid until

2026-09-14T11:49:34-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

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

76.76.21.21

631,16 ms

Cloudflare

1.1.1.1

76.76.21.21

262,05 ms

Quad9

9.9.9.9

76.76.21.21

48,48 ms

OpenDNS

208.67.222.222

76.76.21.21

421,95 ms

AdGuard

94.140.14.14

76.76.21.21

542,06 ms

IP, geolocation and ASNAssociated network information

76.76.21.21

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.216.212

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

idfa-nl.mail.protection.outlook.com

Port 25: Closed/unreachable - 21.5 ms - 
Port 465: Closed/unreachable - 4040.2 ms - 
Port 587: Closed/unreachable - 4010.2 ms -

Recently analyzed domains

View all →

mn.us4 amazonaws.com78 go.id15 fl.us4 sidn.nl96 kpn.com97 tri-cityherald.com72 healthcarefinancenews.com81 apnic.net95 googletagmanager.com66