alfsen.dk

📜 Historical scan 2026-06-23 07:10:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alfsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.116 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by alfsen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 48ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.116	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alfsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 52.101.68.10 52.101.68.5 52.101.73.15 52.101.73.24	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 52.98.154.152
🔶 Autoconfig	195.249.40.163

🔷 AAAA Records (IPv6)#

1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:80a3:7199:fd8e:fe20	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 188ms

TXT Record
MS=ms52667778
v=spf1 a mx include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (alfsen.dk)
~all (soft fail)	v=spf1 a mx 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#

latest probe, not this scan · checked 2026-10-15 22:38:23

www	46.30.213.116 2a02:2350:5:10b:80a3:7199:fd8e:fe20 (AS51468) (address records, no CNAME)
www vs bare domain	Same network alfsen.dk: 46.30.213.116 2a02:2350:5:10b:80a3:7199:fd8e:fe20 (AS51468) www.alfsen.dk: 46.30.213.116 2a02:2350:5:10b:80a3:7199:fd8e:fe20 (AS51468)
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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026061501
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 21:26:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-01-27
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

42ms

36ms

AAAA

35ms

TXT

188ms

CAA

66ms

HTTPS

35ms

TLSA

222ms

SOA

34ms

MTA-STS

39ms

DNSSEC

58ms

SRV

87ms

Total

826ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 22:38:23	1387ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:38:38	913ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 16:54:38	1215ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 13:33:53	2580ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 11:46:13	2654ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 08:44:43	1138ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 13:53:46	5350ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 15:58:16	2368ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:59:06	815ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 07:10:17 shown	826ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:50:55	1971ms	2 NS 1 A 1 MX	🔒 Secure