jenkaholding.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 August 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jenkaholding-dk.mail.protection.outlook.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.
| TXT Record |
|---|
| MS=ms13679152 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jenkaholding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.jenkaholding.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; rua=mailto:boyan@jenkaholding.dk; ruf=mailto:boyan@jenkaholding.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves jenkaholding.dk: no address www.jenkaholding.dk: no address |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-jenkaholding-dk._domainkey.vaekstkapitalgroup.r-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-jenkaholding-dk._domainkey.vaekstkapitalgroup.r-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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025111105 |
| 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 | 2013-08-07 |
| Expires | 2027-08-31 (311d) |
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 |
|---|---|
| jenskindberg.dk | Simply.com A/S |
| vaekst.dk | Simply.com A/S |
| vaekstissuing.dk | Simply.com A/S |
| vaekstkapitalinvest.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 09:53:29 | 980ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 21:48:41 | 877ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 21:44:49 | 625ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 05:27:33 | 624ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 03:34:27 | 1374ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 13:22:45 shown | 708ms | 3 NS 0 A 1 MX | 🔒 Secure |