olarsen.dk

Records from scan: 2026-10-08 12:09:25 · 1331ms total · last checked 2026-10-18 01:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

olarsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.235.50.231 is hosted by LeaseWeb Netherlands B.V. (AS60781) in The Netherlands. Mail is handled by olarsen-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 45ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.50.231	43200s	—	AS60781	LeaseWeb Netherlands B.V.	77.235.50.0/24	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	olarsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca21::a 2a01:111:f403:ca48::10 52.101.68.15 52.101.68.21 52.101.73.123 52.101.91.21	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 138ms

TXT Record
MS=ms77295257
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (olarsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-08 12:09:25

www	77.235.50.231 (AS60781) (address records, no CNAME)
www vs bare domain	Same network olarsen.dk: 77.235.50.231 (AS60781) www.olarsen.dk: 77.235.50.231 (AS60781)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms

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

🏷️ SOA#

101ms

Field	Value
Serial	2026100701
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 2026-10-10 22:41:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-07-17
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

34ms

46ms

AAAA

43ms

TXT

138ms

CAA

46ms

HTTPS

46ms

TLSA

644ms

SOA

101ms

MTA-STS

61ms

DNSSEC

118ms

SRV

88ms

Total

1331ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 12:09:25 shown	1331ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 12:43:35	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 12:29:25	1364ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 14:02:27	1242ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 05:00:28	970ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:51:09	3079ms	2 NS 1 A 1 MX	🔒 Secure