copenhagenguitar.dk

Records from scan: 2026-10-12 13:33:25 · 753ms total · last checked 2026-10-17 23:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copenhagenguitar.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 aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.13	3600s	linux344.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.130.26 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b	yulppbn-in-f26.1e100.net lj-in-x1b.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.13
🔶 Autoconfig	185.20.205.13

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 109ms

TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (copenhagenguitar.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-12 13:33:25

www	185.20.205.13 (AS48854) (address records, no CNAME)
www vs bare domain	Same network copenhagenguitar.dk: 185.20.205.13 (AS48854) www.copenhagenguitar.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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

102ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

40ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 11:17:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-09-04
Expires	2027-09-30 (347d)

🔗 Same registrant#

1 domain

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
copenhagenguitarworkshop.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

33ms

44ms

AAAA

31ms

TXT

109ms

CAA

34ms

HTTPS

34ms

TLSA

68ms

SOA

40ms

MTA-STS

42ms

DNSSEC

102ms

SRV

44ms

Total

753ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:33:25 shown	753ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-02 01:16:34	830ms	4 NS 1 A 5 MX	🔒 Secure
2026-07-25 02:24:17	25220ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-20 09:55:45	2715ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 22:24:09	479ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 22:21:24	822ms	4 NS 1 A 5 MX	🔒 Secure