bjoerholm.dk

📜 Historical scan 2026-06-16 14:43:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bjoerholm.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 13 March 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.20.195.86 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by bjoerholm.dk. 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#

4 records 97ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.20.195.86	—	ec2-51-20-195-86.eu-north-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	51.20.0.0/14	🇸🇪 Sweden	—

📧 MX Records#

1 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	bjoerholm.dk	51.20.195.86	ec2-51-20-195-86.eu-north-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 163ms

TXT Record
v=spf1 +a +mx +ip4:51.20.195.86 ~all

✉️ SPF#

Policy	Record (bjoerholm.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:51.20.195.86 ~all

📨 DMARC#

Policy	Record (_dmarc.bjoerholm.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; fo=0;

📬 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 2026-10-12 13:22:55

www	51.20.195.86 (AS16509) (address records, no CNAME)
www vs bare domain	Same network bjoerholm.dk: 51.20.195.86 (AS16509) www.bjoerholm.dk: 51.20.195.86 (AS16509)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

242ms

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

🏷️ SOA#

92ms

Field	Value
Serial	2026031600
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 04:00:18

Field	Value
Registrar	Simply.com A/S
Registered	2008-03-13
Expires	2027-03-31 (158d)

🔗 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
bjørholm.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

97ms

93ms

97ms

AAAA

94ms

TXT

163ms

CAA

94ms

HTTPS

95ms

TLSA

2128ms

SOA

92ms

MTA-STS

71ms

DNSSEC

242ms

SRV

0ms

Total

2615ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:22:55	1147ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:28:35	465ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:48:52	512ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:28:42	2378ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-05 23:41:02	575ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:47:40	840ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 17:49:59	3160ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:43:47 shown	2615ms	4 NS 1 A 1 MX	🔒 Secure