bogholderkoebenhavn.dk

📜 Historical scan 2026-06-25 07:43:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bogholderkoebenhavn.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 20 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.21.2.33 is hosted by Amazon.com, Inc. (AS16509) in Sweden. 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.

🖥️ Nameservers#

4 records 81ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.21.2.33	3600s	ec2-51-21-2-33.eu-north-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	51.20.0.0/14	🇸🇪 Sweden	Stockholm

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · checked 2026-10-22 01:04:12

www	51.21.2.33 (AS16509) (address records, no CNAME)
www vs bare domain	Same network bogholderkoebenhavn.dk: 51.21.2.33 (AS16509) www.bogholderkoebenhavn.dk: 51.21.2.33 (AS16509)
Wildcard	No
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2025081800
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 2026-10-13 00:39:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-11-20
Expires	2027-11-19 (387d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

41ms

44ms

AAAA

42ms

TXT

238ms

CAA

82ms

HTTPS

30ms

TLSA

76ms

SOA

43ms

MTA-STS

42ms

DNSSEC

107ms

SRV

368ms

Total

808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 01:04:12	418ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-08 04:21:46	376ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-02 17:50:11	414ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-27 17:02:43	467ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-02 04:54:34	747ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-27 20:51:25	705ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-25 07:43:33 shown	808ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-22 11:04:01	580ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-16 15:32:22	3274ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-16 15:32:06	449ms	4 NS 1 A 0 MX	🔒 Secure