tophat.dk is a .dk domain served by 4 nameservers (ns1-36.azure-dns.com, ns2-36.azure-dns.net, ns3-36.azure-dns.org and 1 more). It was registered on 19 August 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.204.114 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by tophat-dk.mail.protection.outlook.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 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 |
|---|---|---|---|---|---|---|---|
| 86.58.204.114 | 3600s | — | AS47292 | Sentia Denmark A/S | 86.58.204.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tophat.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| 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-tophat-dk._domainkey.irinigroup.a-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-tophat-dk._domainkey.irinigroup.a-v1.dkim.mail.microsoft | 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: 1/10 · 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 | 1 |
| Primary NS (MNAME) | ns1-36.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-08-19 |
| Expires | 2027-09-30 (342d) |
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 |
|---|---|
| brn.dk | Punktum dk A/S (direct) |
| hrn.dk | Punktum dk A/S (direct) |
| irini.dk | Punktum dk A/S (direct) |
| irn.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 03:37:14 shown | 1184ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 15:13:50 | 1488ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:19:31 | 1131ms | 4 NS 1 A 1 MX | 🔒 Secure |