r-larsen.dk

📜 Historical scan 2026-06-25 12:37:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r-larsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.243.72.6 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by rlarsen-dk0c.mail.protection.outlook.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 39ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.243.72.6	43200s	—	AS3292	TDC Holding A/S	62.242.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rlarsen-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.25 52.101.73.2 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 104ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:b.spf.itoperators.dk -all

✉️ SPF#

Policy	Record (r-larsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:b.spf.itoperators.dk -all

📨 DMARC#

Policy	Record (_dmarc.r-larsen.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-21 13:14:08

www	62.243.72.6 (AS3292) (address records, no CNAME)
www vs bare domain	Same network r-larsen.dk: 62.243.72.6 (AS3292) www.r-larsen.dk: 62.243.72.6 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rlarsen-dk0c._domainkey.rlarsen.onmicrosoft.com	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#

92ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026032401
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 2026-10-15 05:49:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-09-19
Expires	2027-09-30 (339d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

39ms

36ms

39ms

AAAA

38ms

TXT

104ms

CAA

31ms

HTTPS

36ms

TLSA

464ms

SOA

43ms

MTA-STS

35ms

DNSSEC

92ms

SRV

71ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 13:14:08	1871ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:42:45	1186ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:37:21 shown	858ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 02:27:05	1187ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:19:26	2317ms	2 NS 1 A 1 MX	🔒 Secure