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Total

100

DNS

Email

Security

Network

100

Availability

Domainrotterdam.nl

IPv41

IPv61

MX records1

StatusActive

Domain technical report

Home | www.rotterdam.nl

rotterdam.nl

Dit is de officiële website van de gemeente Rotterdam. Hier vindt u alle informatie, nieuwsberichten en dienstverlening van gemeente Rotterdam.

Generated: 2026-08-10T19:48:39-05:00 · Cached result

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IPv41

IPv61

MX1

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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

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

117 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: 185.135.13.30.static.hostedby.io

IPv4 diversity20 / 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

1 record(s)

185.135.13.30

AAAA

1 record(s)

2a06:efc0:0:103::25

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

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

TXT

20 record(s)

"ms-domain-verification=d265c2fb-abac-4a45-a36d-d3c418197487"
"apple-domain-verification=sZSEYvG8acsw3Kdq"
"WyPdDyN4yX0pyTVg0RIYzXqkWW4GiRFtPQnishT5nKNyAZTPiSxncIaTvSTVqsxo"
"kDKfU9c1hcKaQgqwFPAxmkqM9BVCKG2FJ9ftbKEY2sa0le6exoBM/lpJRjs0E/8uX7kFMMr+NUUkuJJfBJDUEg=="
"DomainVerification=2MPA4FHVL3FK9DSK6WODLLU8CP7MAAABG2OX9BH68BMVAHAPCDLMYM0U06M94NKN"
"autodesk-domain-verification=GZbID3yMrJrPKEbqato_"
"atlassian-domain-verification=LaySuPFSx0MaXgcb7GCue1FJhA8B8C063iTasxOVsfzg5ch6ysimsXzGUa4OKsBE"
"Dynatrace-site-verification=3e284fa8-09df-4ae6-a93b-4663eb3e90b8__3m4a7u7ikfs55o46rv9ugkhi39"
"uQPPjf5RuUzVehTy5KePTFPlDk10o6BvUXCaamkoaiKz2qmmhceh9NT0bPXGkFnp"
"MS=ms81193378"
"citrix.mobile.ads.otp=hts1nfkncgzwp9zuv3yb"
"brevo-code:91f92b58940284a611ef8613c4046b61"
"Dynatrace-site-verification=1b8d2f27-38fe-4e24-a588-a0a66ddb89ea__2gul6j9ee7j9ejgl4pc8bgfsjb"
"v=spf1 redirect=_policy1.rotterdam.nl"
"miro-verification=3dfab1861888add724f810dbc13d49f242b6b524"
"f2x6l886tc"
"aanmelder.nl-user=87363"
"adobe-idp-site-verification=4c455aa4754ad3dbc29112adade0f5cde8960ff1e2a96e432b85307501bb363a"
"4q1jkErlnTVN56fjkdmbFwv537wUjxjxLmOMYkf3a7Ciy2N6lXWwsGu5wweDcKS0"
"cisco-ci-domain-verification=3643c61405f8ad203572941485cf2045ae251882028c6a75945150b005a379f9"

NS

3 record(s)

ns1.rotterdam.nl.
ns3.rotterdam.nl.
ns2.rotterdam.nl.

SOA

1 record(s)

ns1.rotterdam.nl. hostmaster.rotterdam.nl. 2017346077 86400 7200 604800 3600

CAA

5 record(s)

0 issue "letsencrypt.org"
0 issue "sectigo.com"
0 issue "amazon.com"
0 issue "pki.goog"
0 issue "certsign.ro"

DS

1 record(s)

45385 8 2 ABD10C83490C63FF1E56BE47DC1428BAE32C30BDA5042E401A4F9E51 00D48EB7

DNSKEY

5 record(s)

256 3 8 AwEAAdN2o5K96CNWrpkaQ0Ky2EAfG5tK4+AIfN11byYlh0ZTi3Vlvnyr m/eJ17AfD9nu/8cw9uvc9Or7z2sFIkD7v+m9ZbB/KdIpXrkFlbKr6qIh 4ql4owdL6N8AcmsWv7MO9JoLlj99vx7lh/tZ55ThbgzJ5IwkqgY3WhYo 8FAFClR7
256 3 8 AwEAAcJ8V1uE6Yn9fBqriuNDcGHcAXkww53PY834we7PiO0YsRu4MOaW SvN2rjqA3Yh4Y6T+HEWpY5Al4aD6QA4OJ20eFVjvpBl+3KYvXMS5vZW4 pgqJQhyQVJDwMFld0KbbabBwJp6tK5OtagBJtIjRk7UnEmdn1zy8A+O6 EAzTRHqb
256 3 8 AwEAAb+G+UbE3olB969Zb3ce+8wM7Pt6iOTsem7cxZxsDTt2d6WY0sgG InFua2IKltUsUAQEjYQcF5NkhLIFy2kb06mDhhCClpW6giGZ8viYnlKc 1RQnaQ/mY/S+q3w6IUm5odqWdhncc2B7EJwYQ/nBfypF6q9Kyh2L2/Hv KicLbOxN
257 3 8 AwEAAZ5shr04y3xGyroqXckky2uYsOzOzwRDdyCDdUiRVfNnxRYQ8b2C bqSIUcPKV4tvgcp77AMDYGCB+vwRuIy2liaxlP+spTS72+p28DfUSV8V ipF7EyNIMu1MnhatEVJLyu7V+6fV6bLCU/slc+clw5GauihXR5hPw+vP AWIQAIups3v8H6LKWQaCDoQNIV3Hcin0geTsiCkEq+ir3gLscEChn5AA c7p2p2XDhHLB4DVAK4Tkgy2vVOE1kOSJGeJKT29Sj6wwWQT8P6+CgDiK EQL1C1Gfj3gllrFr6uJlw6cPnWDlDk7Lrq6TtBVvSA+j7mylpAqCvnMF UtILPwqJ31k=
257 3 8 AwEAAYsyXuvWn/ZKadh/cIr+03po8FTcO944/GuYGkuRoNU3Bm/UhpVs VvDy4tSYoQR5bElgd1LrWi3fqaEFzgJWCTEKSPgpmYqNBlesJhJesppG dCE5e8bNAOAAooPepGr3p98DqAvBs4Swe0D+/w4876t4VhLSCAJcWGga 7209i7LWmZYsNit31HYN6eaPVnEjYXdcUtWCauTkgUN6uIUS4mN0fNhs PhK/MU6eJAzFTyuJltMLWsbDqicpEIK9bceAcSaIGSUYjUr5Z0uiLMV5 aEd1gVJPLngakh67HxIT5b0wQvjI8M3q86srod743y/+JMat73GE4y/4 MMn0zPJ4LCM=

RRSIG

6 record(s)

TXT 8 2 86400 20260814201346 20260810192239 27951 rotterdam.nl. F9cbAmjALnuIiIo6Ge7Uf+pnVVpxW7yspGRUPMfipiVRrwP4GtPqvtvH yBLCudOf4phiqJFsGmFUSxu75SQj9MaaTC8DOChEv6Dg0/RO8mRYoOda inzJDcLRNmCIvjAk1U7vSATBY816MCtZ+QRNPgdB3WSeCDmNSSJe2GVk UTk=
DS 13 2 3600 20260903033619 20260806110800 467 nl. SXH2YSiixmjEFJDYgy+zSu+J8AKE/Yi5qGM0OkUoldHZY70M6h6Y+0DC WZ64uAE9zLZcXYvi1tnFu0Yim/fTZA==
AAAA 8 2 86400 20260814201346 20260810192239 27951 rotterdam.nl. cATOqLiohUA9/45UteglP0PT6V56jKGaB3udQA3gUXTNvv+AnuNfMFIn 4LsQCsEVo/ZA1JekLvpv4MuMmyISoAlNHNLxC6EYZpGX/l4zh4PBjkSR e8EJ+kmPwHICIpgPuEF9cPbJNuO6ICeocSA6cPTaZ5DEIXcS8CspgkmU 6FU=
SOA 8 2 86400 20260814212108 20260810202108 27951 rotterdam.nl. mvIAZJ+qDJvShI2pzeqhVxTn06AGzy95queqHRw/RVsMboh0Wvl7phPl lz+0FP0Xggd2qZoTd8OdmiYHIn+5USQWj1Z57YUr0CtlA/pa7VkrXyJ2 qWueim7/8Ac3je0+lK2m14TfUu1ZdtXoHyNOYBt67jwc3AEFapM4kHml QLU=
A 8 2 86400 20260814201346 20260810192239 27951 rotterdam.nl. T7xJUad0ibwu3zkwCTUaDrcy4LQ2e5hhppYzeAO4G+toNc5WJ+f1JONy q7xeoUkg8MVCUuCFr6LbniwX3zq9kCTGso80UtUm/MvOBzQKVnWaK59q +YRv+DpcbIQkZ/XC3dEfNThsMuA3F2fzs9BLceNqoTJxpaAgQfATZB9L 0rg=
CAA 8 2 21600 20260814203340 20260810195551 27951 rotterdam.nl. UaBIJOw0Lz6tUjncl3FDLcDVN1qRIpEd6iLaIFhfp0V0H6hT/ACpjdMz Zm6b0lp0mDdnOQF7WtpfCG3zQk4FBgMJLmu7em0QzNR542ERLSFX/+Wj c8NTbQS4GzEDcCwTnwBmFO+1WNhctXYFOvksEvxffp3+IIY/BGBmZ98p xOA=

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 redirect=_policy1.rotterdam.nl

DMARC

Configured

v=DMARC1; p=reject; sp=reject; ri=3600; rua=mailto:3ftl5qxz@ag.eu.dmarcadvisor.com,mailto:dmarcreport@rotterdam.nl,mailto:rapportages@dmarc.ibdgemeenten.nl; ruf=mailto:dmarcreport@rotterdam.nl,mailto:3ftl5qxz@fr.eu.dmarcadvisor.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCFqJzggoCHkRINuEirPsDPzYJ0v8UHaJQZnjUkKk5fOqUO7n0AGeik0TxmYSbPVhIKfv4sJulJGx5ngB2tFjIiTtptw+3OnI8TxlcZX8JQ2dRmNquMJrP+Eh5UCd2df9vaEJoiFiwhPlJsIc2+ycPQXirA+rUcBPW66TNEW2660wIDAQAB; n=1024,1453274826,1468999626

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Home | www.rotterdam.nl

Description

Dit is de officiële website van de gemeente Rotterdam. Hier vindt u alle informatie, nieuwsberichten en dienstverlening van gemeente Rotterdam.

Final URL

https://www.rotterdam.nl/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.rotterdam.nl/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

rotterdam.nl

Valid from

2025-11-19T18:00:00-06:00

Valid until

2026-12-06T17:59:59-06:00

Days remaining

117

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

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

185.135.13.30

138,96 ms

Cloudflare

1.1.1.1

185.135.13.30

545,08 ms

Quad9

9.9.9.9

185.135.13.30

29,91 ms

OpenDNS

208.67.222.222

185.135.13.30

741,51 ms

AdGuard

94.140.14.14

185.135.13.30

221,73 ms

IP, geolocation and ASNAssociated network information

185.135.13.30

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

rotterdam-nl.mail.protection.outlook.com

Port 25: Closed/unreachable - 57 ms - 
Port 465: Closed/unreachable - 4054.2 ms - 
Port 587: Closed/unreachable - 4078.3 ms -

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