calwin.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 2 October 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.193 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by calwin-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 |
|---|---|---|---|---|---|---|---|
| 216.150.1.193 | 600s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| _eyd251fkeyvaidsg5nz5b5eavnroonb |
| _globalsign-domain-verification=9ETpPFv_V2uiv-BpFuOaPEJnaWm4oJzkgs8yHpvWC5 |
| _z1pdqml35ezg3wrjllsv9yw3b55w5v4 |
| atlassian-domain-verification=inLIuuEHs+x3o7+S9wlKWyEJP1V8gS17VT0QfD60vazvAE5pX/cZHi8cuoOcgbkA |
| knowbe4-site-verification=af0442ff1a8bc740c039ebb15e88df5c |
| miro-verification=ce05497ecf529e61427f3bfb55fc352f7906c4d0 |
| MS=2D7A75FA77DA1AA71220C3494A59601B6AC0FFC7 |
| MS=ms68593797 |
| MS=ms83940039 |
| Ue6-M8d-Xr5 |
| v=spf1 ip4:185.154.241.5 ip4:185.154.241.0 include:spf.protection.outlook.com include:spf.ubivox.com include:sendgrid.net include:mailgun.org -all |
| Policy | Record (calwin.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.154.241.5 ip4:185.154.241.0 include:spf.protection.outlook.com include:spf.ubivox.com include:sendgrid.net include:mailgun.org -all |
| www CNAME | 25320db2abd2dc1b.vercel-dns-016.com (all on vercel-dns-016.com) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u777994.wl245.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u777994.wl245.sendgrid.net | RSA · ~1024 bit below 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: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026021000 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1996-10-02 |
| Expires | 2026-12-31 (66d) |
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).
Showing 100 of 640.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 07:35:38 | 621ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 17:52:04 | 1487ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 20:04:16 | 9822ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 11:44:45 | 3109ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 00:01:15 | 10576ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:09:10 shown | 2320ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:55:04 | 732ms | 4 NS 1 A 1 MX | 🔓 Insecure |