ridderkerk.nl
Observed Jul 26, 2026, 21:24 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ridderkerk.nl actually stands on - every host below is a signed observation
ridderkerk.nl
A / AAAA
31.7.0.6031.7.6.87185.144.224.282a03:9700:8000:1::23+2 more
2a03serves the site
NS
ns0.transip.netns1.transip.nlns2.transip.eu
transip.net + transip.nl + moreanswers its DNS
MX
ridderkerk-nl.u-v1.mx.microsoft
Microsoft 365receives its email
TLS
www.ridderkerk.nl
Let's Encryptissued its certificate
DNS Records
A 3
31.7.0.6031.7.6.87185.144.224.28
AAAA 3
2a03:9700:8000:1::232a03:9700:8000:1::242a03:9700:8000:1::25
MX 1
10ridderkerk-nl.u-v1.mx.microsoft
TXT 6
MS=ms36246853DomainVerification=LCO0QEJ873MIE8OGY4FKAF0JE0O0SLCMSUMAAACKKVBQFOSPUVINIALXIIPRDDEMZnYWK/pt7n2PutFvku8zAwtJtW5rMNkWnKmU2FYfTqXrdFxQ03KTZdzE+VZTmJefR71Ckupo/4a8w4J2l20njQ==safegpt-domain-verification=ea6fd000c34693b3503fff2530a45c3d74ae8e472826567491cea01963e2e804v=spf1 ip4:109.109.118.0/26 ip4:109.109.120.0/24 include:spf.simgroephosting.nl include:spf.flowmailer.net include:_spf.services.centric.eu include:spf.protection.outlook.com include:spf.gouwit.hosting include:spf.eprov.nl include:spf.shockmedia.email include:_spf.ezorg.nl -allv=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_agg@ridderkerk.nl; ruf=mailto:dmarc_afrf@ridderkerk.nl; pct=100;
NS 3
ns0.transip.netns1.transip.nlns2.transip.eu
SOA 1
ns0.transip.net hostmaster.transip.nl
SRV 1
autodiscover.bar-organisatie.nl:443 p50
CAA 4
iodef "mailto:transip@bar-organisatie.nl"issue "kpn.com"issue "letsencrypt.org"issue "sectigo.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.ridderkerk.nl |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 15 Oct 2026 12:54:10 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_20ea30bcb516f61c- Output Hash
ed0064afd04b3539b194dc38e8acaf37ddf0bfa824edbf128d8a06547a5a8bb1- Signature
ed25519:b8ed7f0c5cc6b52a8eb42d22c1721db77c36b0968ba25804fef22adb9ed8872bf2e5245daca59573f0367a0d091203dc7f0788f0e07d8e9d89aec242968c2603- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast