welcom.dk is a .dk domain served by 4 nameservers (ns1.vipsupport.dk, ns2.vipsupport.dk, ns3.vipsupport.dk and 1 more). It was registered on 21 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by welcom-dk.mail.protection.outlook.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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | welcom.dk → 185.121.175.220 |
| TXT Record |
|---|
| MS=ms56586863 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (welcom.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | welcom.dk (all on welcom.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-welcom-dk._domainkey.linderdk.e-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-welcom-dk._domainkey.linderdk.e-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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025092401 |
| Primary NS (MNAME) | ns1.vipsupport.dk |
| Responsible (RNAME) | hostmaster@welcom.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-03-21 |
| Expires | 2027-03-31 (165d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 20:52:16 | 8493ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 11:36:14 | 8374ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 17:38:03 | 11148ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 00:09:08 | 3549ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 00:29:18 | 12662ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 21:53:12 | 5127ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 12:45:26 | 12803ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-17 01:35:08 | 13900ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 11:56:41 | 7296ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 20:01:12 shown | 21894ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-25 05:16:19 | 21971ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-19 08:22:36 | 33119ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 04:38:53 | 14972ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:30:46 | 2688ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 17:43:51 | 2370ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 11:49:04 | 8937ms | 4 NS 1 A 1 MX | 🔓 Insecure |