dukesdenmark.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | — | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| TXT Record |
|---|
| v=spf1 include:_spf.mailersend.net ~all |
| Policy | Record (dukesdenmark.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mailersend.net ~all |
| Policy | Record (_dmarc.dukesdenmark.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:630291d75a3af@ag.dmarcly.com; ruf=mailto:630291d75a3af@fo.dmarcly.com; sp=none; |
| www CNAME | c11a2cddbe00e8a9.vercel-dns-017.com (all on vercel-dns-017.com) |
| 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 | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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 | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'dukesdenmark.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026021301 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 14:54:23 | 570ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-09-27 14:15:44 | 754ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-08-27 05:47:54 | 773ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-08-26 05:45:17 | 966ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-20 01:07:25 | 1552ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-19 17:58:24 | 786ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-17 05:19:10 shown | 2558ms | 4 NS 1 A 7 MX | ⚠️ Bogus |
| 2026-06-17 05:02:09 | 18474ms | 4 NS 1 A 7 MX | 🔒 Secure |
| 2026-06-17 05:01:18 | 711ms | 4 NS 1 A 7 MX | ⚠️ Bogus |
| 2026-06-17 05:00:06 | 794ms | 4 NS 1 A 7 MX | 🔒 Secure |