whois.rickklaasboer.nl: sidn.nl ──────────────────────────────────────── Status registered Registrar Stichting Internet Domeinregistratie Nederland (IANA ID 0000) Abuse abuse@sidn.nl Created 1999-11-18 Updated 2026-05-12 Expires — Nameservers ns2.sidn.nl, ns1.sidn.nl, ns3.sidn.nl DNSSEC yes EPP status locked ──────────────────────────────────────── DNS A 34.111.90.63 (59 min 59 s) AAAA 2600:1901:0:8ca2:: (59 min 59 s) NS ns1.sidn.nl 192.174.68.144 (2 min 9 s) ns2.sidn.nl 176.97.158.144 (2 min 9 s) ns3.sidn.nl 194.0.28.10 (2 min 9 s) MX 0 sidn-nl.v-v1.mx.microsoft 52.101.185.114, 52.101.103.137, 52.101.185.21, 52.101.68.29 (59 min 59 s) TXT "v=spf1 a:ops-relay03-p.sidn.nl a:ops-relay04-p.sidn.nl a:ops-relayf03-p.sidn.nl a:ops-relayf04-p.sidn.nl a:ops-monext02-p.sidn.nl ip4:94.198.154.51 include:spf.protection.outlook.com include:secumail.email ~all" (59 s) SPF: the servers allowed to send mail as sidn.nl. "apple-domain-verification=VfW6PNm8hVwB49dm" (59 s) Proves ownership to Apple. "google-site-verification=nGdTpBOjSS2sHxxqhEE9Tj3xcK5X4-lF9YLqtYmXbwI" (59 s) Proves ownership to Google, for example for Search Console or Workspace. "google-site-verification=UgJBr_GdHnW8WlMHFlo59LLMiNz0g-T3g6ijOs7KBWE" (59 s) Proves ownership to Google, for example for Search Console or Workspace. "HARICA-d0FqAJx3Xg16m7TWkUz" (59 s) "b49e83a3cf3f49b49be0ceea668e8457" (59 s) "DomainVerification=94J3KBJIL96UFC6L3FMIHJ07M95PUUE5CZKNBBDKJOH2PYF1MQGVQRDA0ZIE58II" (59 s) CAA 0 iodef "mailto:abuse@sidn.nl" (59 min 59 s) Send reports about rejected certificate requests to mailto:abuse@sidn.nl. 0 issue "digicert.com; cansignhttpexchanges=yes" (59 min 59 s) Only digicert.com may issue certificates. 0 issue "pki.goog; cansignhttpexchanges=yes" (59 min 59 s) Only pki.goog may issue certificates. 0 issue "harica.gr" (59 min 59 s) Only harica.gr may issue certificates. 0 issue "quovadisglobal.com" (59 min 59 s) Only quovadisglobal.com may issue certificates. 0 issuemail "harica.gr" (59 min 59 s) 0 issue "sectigo.com" (59 min 59 s) Only sectigo.com may issue certificates. 0 issue "letsencrypt.org" (59 min 59 s) Only letsencrypt.org may issue certificates. DMARC v=DMARC1; p=reject; rua=mailto:dmarc@sidn.nl,mailto:dmarc@sidn-nl.uriports.com; adkim=r; aspf=r; np=reject; psd=n; t=n; sp=reject (59 min 59 s) p=reject: Reject mail that fails the check. rua=mailto:dmarc@sidn.nl,mailto:dmarc@sidn-nl.uriports.com: Send aggregate reports to dmarc@sidn.nl, dmarc@sidn-nl.uriports.com. adkim=r: DKIM alignment is relaxed, subdomains of the domain also count. aspf=r: SPF alignment is relaxed, subdomains of the domain also count. sp=reject: For subdomains: reject mail that fails the check. ──────────────────────────────────────── Source: RDAP (rdap.sidn.nl) · 158 ms