a365-semler.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was registered on 28 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a 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.
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 -all |
| ycjs5kgyw3m8x13ln6fnrh140f8xjy7z |
| Policy | Record (a365-semler.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.a365-semler.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:dmarc_rapport@semler.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves a365-semler.dk: no address www.a365-semler.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-05.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 | 2023-02-28 |
| Expires | 2027-02-27 (128d) |
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).
Showing 100 of 402.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:33:33 | 988ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 05:20:39 | 600ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-05 07:58:40 | 749ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 08:08:35 | 521ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-01 23:52:06 shown | 742ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 12:58:09 | 1105ms | 4 NS 0 A 0 MX | 🔓 Insecure |