skonbykjaer.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 16 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.60 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.skonbykjaer.dk, mx1.onlinemail.io and 1 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.73.60 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.158.72 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mail.skonbykjaer.dk | — | — | — |
| 10 | 300s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 300s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:493c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:9e48 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.73.60,172.67.158.72 ech=AEX+DQBBAAAgACD2W8FZNPXilLiFC/JYVZLvaYyCsa38UVtHKosEQjL0JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:493c,2606:4700:3035::ac43:9e48 |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk ~all |
| v=spf1 a mx ~all |
| Policy | Record (skonbykjaer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk ~all |
| ~all (soft fail) | v=spf1 a mx ~all |
| www CNAME | skonbykjaer.dk (all on skonbykjaer.dk) → 91.99.235.75 (AS24940) |
| 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 |
DNS lookups: 4/10 · 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 | 2406691113 |
| Primary NS (MNAME) | barbara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-12-16 |
| Expires | 2026-12-15 (49d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:33:50 | 536ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 20:17:38 | 1056ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 11:37:46 | 653ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-30 12:05:06 | 706ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 18:38:01 | 1161ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 14:31:18 | 908ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 09:45:52 shown | 2159ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-18 06:15:39 | 1178ms | 2 NS 2 A 3 MX | 🔓 Insecure |