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 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 |
| 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 |