copenhagenbrains.dk

📜 Historical scan 2026-10-01 06:12:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copenhagenbrains.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.191 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by v0081.dotserv.com. The zone is DNSSEC-signed and validates, publishes a 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.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.191	43200s	v0081.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	v0081.dotserv.com	178.20.216.191	v0081.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.copenhagenbrains.dk → 178.20.216.191
🔶 Autoconfig	178.20.216.191

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 176ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (copenhagenbrains.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.copenhagenbrains.dk)
p=none (monitor only)	v=DMARC1; p=none; default

📬 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#

latest probe, not this scan · checked 2026-10-14 15:57:51

www	178.20.216.191 (AS21060) (address records, no CNAME)
www vs bare domain	Same network copenhagenbrains.dk: 178.20.216.191 (AS21060) www.copenhagenbrains.dk: 178.20.216.191 (AS21060)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026091201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-23 17:27:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-03-25
Expires	2027-03-31 (155d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

31ms

AAAA

41ms

TXT

176ms

CAA

44ms

HTTPS

39ms

TLSA

84ms

SOA

50ms

MTA-STS

43ms

DNSSEC

62ms

SRV

58ms

Total

652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 15:57:51	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 00:44:32	2776ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:12:42 shown	652ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 17:48:57	912ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 11:27:33	589ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:38:48	749ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 21:14:20	765ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 14:54:12	728ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 08:03:53	1388ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 05:57:40	743ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:31:19	566ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:21:15	554ms	2 NS 1 A 1 MX	🔒 Secure