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. Its website address 185.121.175.220 is hosted by Adeo Datacenter ApS (AS202914) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.121.175.220 | 600s | web01.vipsupport.dk | AS202914 | Adeo Datacenter ApS | 185.121.172.0/22 | 🇩🇰 Denmark | Albertslund |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 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 | 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 shown | 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 |