concorp.dk is a .dk domain served by 2 nameservers (arturo.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 11 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.247.18.8 is hosted by The Constant Company, LLC (AS20473) in Germany. Mail is handled by scylla.vof.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 199.247.18.8 | 300s | scylla.vof.dk | AS20473 | The Constant Company, LLC | 199.247.0.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | scylla.vof.dk | 199.247.18.8 2a05:f480:1800:514:5400::25 |
scylla.vof.dk scylla.vof.dk |
AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:16d8:dd96::c | 300s | — | AS12552 | GlobalConnect AB | 2001:16d8::/32 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (concorp.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.concorp.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:hostmaster@vof.dk |
| www CNAME | charybdis.vof.dk (all on vof.dk) |
| www vs bare domain | Same network concorp.dk: 199.247.18.8 2001:16d8:dd96::c (AS12552 AS20473) www.concorp.dk: 199.247.18.8 2a05:f480:1800:514:5400::443 (AS20473) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.concorp.dk | charybdis.vof.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK… |
| ZSK | ECDSA P-256/SHA-256 | oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN… |
| Field | Value |
|---|---|
| Serial | 2411587646 |
| Primary NS (MNAME) | arturo.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 | 2001-07-11 |
| Expires | 2029-09-30 (1077d) |
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).
| Domain | Registrar |
|---|---|
| jinni.dk | Punktum dk A/S (direct) |
| vof.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 17:20:59 | 3572ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 13:45:57 | 4593ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 07:07:47 | 2021ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 11:23:25 | 2276ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 16:44:41 | 2782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 13:13:39 shown | 8239ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 13:48:43 | 1904ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 18:44:12 | 2200ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 17:06:54 | 3668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 11:13:19 | 3712ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 00:11:10 | 65535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:09:46 | 420ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 22:04:22 | 2168ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:00:43 | 692ms | 2 NS 1 A 1 MX | 🔒 Secure |