jensulrik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jensulrik-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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms80659888 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jensulrik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | subdomain.cargocollective.com (all on cargocollective.com) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-08-09 |
| Expires | 2027-08-31 (318d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 19:58:44 shown | 1193ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 19:55:56 | 976ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-28 19:35:16 | 1337ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 18:08:33 | 969ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-15 02:17:18 | 792ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 00:52:58 | 1225ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 16:44:36 | 5849ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-02 11:09:18 | 1956ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 08:51:28 | 3280ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 11:14:52 | 840ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 14:17:59 | 2343ms | 2 NS 0 A 1 MX | 🔒 Secure |