holding2001.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 3 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.123.196.166 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.123.196.166 | — | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| _globalsign-domain-verification=DkaAh4ZHxp7CZ8pkMktqaxPymj-ISJns9Wg1Xx-xX3 |
| google-site-verification=ud7NtE_zCswzyWOGFByY85w33kLtXJX_JqLNmncufuY |
| v=spf1 a mx include:_spf.google.com include:web_spf.vvs-eksperten.dk ip4:46.36.205.2 ip4:46.36.206.152 ip4:217.21.59.70 ip4:81.95.247.102 ip4:81.95.247.143 ip4:54.194.150.12 ip4:185.21.40.175 ip4:188.180.89.34 include:mailmailmail.net a:cpost.timeplan-software.com -all |
| Policy | Record (holding2001.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.google.com include:web_spf.vvs-eksperten.dk ip4:46.36.205.2 ip4:46.36.206.152 ip4:217.21.59.70 ip4:81.95.247.102 ip4:81.95.247.143 ip4:54.194.150.12 ip4:185.21.40.175 ip4:188.180.89.34 include:mailmailmail.net a:cpost.timeplan-software.com -all |
| www | 20.123.196.166 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032601 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2025-11-03 |
| Expires | 2026-11-02 (11d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:03:00 | 1115ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 01:42:37 | 1372ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 23:59:19 | 702ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 03:17:12 | 1239ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:14:26 shown | 2695ms | 2 NS 1 A 1 MX | 🔒 Secure |