deltadvice.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, trey.ns.cloudflare.com). It was registered on 29 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.167 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.37.167 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.151 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.37.167,172.67.210.151 ech=AEX+DQBBXwAgACBLKUEN2NWWhuU5aMH7rjU3MAP7W8ybI3i+dAH+QE1FWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:25a7,2606:4700:3034::ac43:d297 |
| Policy | Record (_dmarc.deltadvice.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:7f12811c1ab749a18a96f148932151f3@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | www does not resolve deltadvice.dk: 104.21.37.167 172.67.210.151 2606:4700:3034::6815:25a7 2606:4700:3034::ac43:d297 (AS13335) (all like this)www.deltadvice.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2406260294 |
| Primary NS (MNAME) | etta.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-07-29 |
| Expires | 2027-07-28 (283d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 16:39:14 | 605ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-02 16:31:20 | 546ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-19 06:40:59 | 624ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-13 11:20:18 | 630ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-27 15:23:30 | 710ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-26 21:37:07 | 630ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-19 01:41:21 | 1367ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-07 02:34:30 | 969ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-25 16:12:16 | 1422ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-21 10:06:04 | 754ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-01 19:39:40 | 1252ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 18:04:56 | 419ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-20 13:26:43 shown | 440ms | 2 NS 2 A 0 MX | ⚠️ Bogus |
| 2026-06-17 01:57:04 | 402ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 01:40:49 | 436ms | 2 NS 2 A 0 MX | 🔒 Secure |