williamdemant.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was registered on 23 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.192.157 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by williamdemant-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 52.142.192.157 | 60s | — | AS8075 | Microsoft Corporation | 52.136.0.0/13 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms77703829 |
| v=spf1 a:mailout.demant.com include:spf.protection.outlook.com -all |
| VLubJf05CNAjies9yqJLgK8qQEnufgRs4db3wUy1BrfrNNBbzImbrFJv4icoc4al/0SnSVp8uUkZRG4nAmzNPA== |
| Policy | Record (williamdemant.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mailout.demant.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.williamdemant.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:fd786552eac8174@rep.dmarcanalyzer.com; ruf=mailto:fd786552eac8174@for.dmarcanalyzer.com; pct=100; fo=1; |
| www CNAME | williamdemant.dk (all on williamdemant.dk) → 52.142.192.157 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-williamdemant-dk._domainkey.demant.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-williamdemant-dk._domainkey.demant.onmicrosoft.com | 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2001102420 |
| Primary NS (MNAME) | ns1-04.azure-dns.com |
| Responsible (RNAME) | dnsmaster@demant.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2001-10-23 |
| Expires | 2026-12-31 (72d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| danskhoerecenter.dk | Abion AB |
| danskhørecenter.dk | Abion AB |
| demantinvest.dk | Abion AB |
| hoerecenterdanmark.dk | Abion AB |
| høreklinikkendanmark.dk | Abion AB |
| william-demant.dk | Abion AB |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 12:47:50 shown | 1030ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 03:04:21 | 1202ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 15:49:44 | 1004ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 00:30:20 | 3835ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:44:35 | 2912ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 21:01:22 | 936ms | 4 NS 1 A 1 MX | 🔒 Secure |