nilarsen.dk is a .dk domain served by 4 nameservers (ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, 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.
| TXT Record |
|---|
| apple-domain=TAmtxb5OFULbMgKK |
| v=spf1 include:icloud.com ~all |
| Policy | Record (nilarsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves nilarsen.dk: no address www.nilarsen.dk: no address |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2017060123 |
| Primary NS (MNAME) | ns1045.ui-dns.biz |
| Responsible (RNAME) | hostmaster@1und1.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-28 09:04:02 | 1655ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-25 16:44:38 | 3231ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-25 02:43:16 shown | 1280ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-27 05:10:15 | 975ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-17 14:03:56 | 2151ms | 4 NS 0 A 2 MX | 🔓 Insecure |