copenhagenguitarworkshop.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 4 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.13 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, 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.
| 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.13 | — | linux344.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| apple-domain=vCAF4DvcWAeqDBgJ |
| v=spf1 include:icloud.com ~all |
| Policy | Record (copenhagenguitarworkshop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | 185.20.205.13 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network copenhagenguitarworkshop.dk: 185.20.205.13 (AS48854) www.copenhagenguitarworkshop.dk: 185.20.205.13 (AS48854) |
| 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: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022120200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-09-04 |
| Expires | 2027-09-30 (347d) |
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 |
|---|---|
| copenhagenguitar.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 20:56:12 | 1276ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 00:12:43 | 1299ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:00:35 | 441ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 09:11:23 | 545ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 12:42:23 | 716ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 23:55:39 | 821ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:25:56 | 698ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 22:21:00 shown | 953ms | 4 NS 1 A 2 MX | 🔒 Secure |