birkholm.dk

📜 Historical scan 2026-06-16 14:47:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

birkholm.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 28 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by birkholm-dk.mail.protection.outlook.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.

🖥️ Nameservers#

4 records 40ms

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

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.138	—	linux127.unoeuro.com	AS48854	—	—	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
32767	—	birkholm-dk.mail.protection.outlook.com	52.101.68.3 52.101.68.36 52.101.68.8 52.101.73.26	mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 116ms

TXT Record
google-site-verification=-sxRMw1aE6H2isViOcDmf_6LgLjtxbWbR4YqY15MT5o
MS=ms35246111
v=spf1 include:spf.protection.outlook.com include:spf.netsite.dk include:_spf-hosting.eg.dk -all

✉️ SPF#

Policy	Record (birkholm.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.netsite.dk include:_spf-hosting.eg.dk -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#

latest probe, not this scan · checked 2026-10-08 06:00:52

www	94.231.103.138 (AS48854) (address records, no CNAME)
www vs bare domain	Same network birkholm.dk: 94.231.103.138 (AS48854) www.birkholm.dk: 94.231.103.138 (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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

55ms

Field	Value
Serial	2025042300
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 2026-10-09 02:57:47

Field	Value
Registrar	Simply.com A/S
Registered	1997-02-28
Expires	2033-03-31 (2351d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

31ms

34ms

AAAA

28ms

TXT

116ms

CAA

20ms

HTTPS

35ms

TLSA

195ms

SOA

55ms

MTA-STS

32ms

DNSSEC

59ms

SRV

0ms

Total

568ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:28:55	822ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:50:32	777ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 08:45:15	1418ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:48:07	1057ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:47:45	1932ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:47:30 shown	568ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:40:58	678ms	4 NS 1 A 1 MX	🔒 Secure