virksomhedsudvikling.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 8 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (virksomhedsudvikling.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.virksomhedsudvikling.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 199.16.172.66 199.16.173.146 (AS2635) (address records, no CNAME) |
| www vs bare domain | Same network virksomhedsudvikling.dk: 199.16.172.66 199.16.173.146 (AS2635) www.virksomhedsudvikling.dk: 199.16.172.66 199.16.173.146 (AS2635) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026021100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-02-08 |
| Expires | 2027-02-28 (125d) |
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 |
|---|---|
| billager.dk | CURANET A/S |
| bramslev.dk | CURANET A/S |
| franknissenbiler.dk | CURANET A/S |
| husettilsalg.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 15:53:22 | 419ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-01 22:46:05 | 2049ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 22:34:18 | 629ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-25 08:49:09 | 640ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-26 18:50:36 | 910ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 19:17:05 | 718ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-20 21:48:46 | 592ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 02:05:54 | 650ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 07:58:59 shown | 716ms | 4 NS 0 A 1 MX | 🔒 Secure |