xf.dk

Records from scan: 2026-08-27 17:42:43 · 713ms total · last checked 2026-10-24 05:53 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xf.dk is a .dk domain served by 4 nameservers (ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org and 1 more). It was registered on 1 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by xf-dk.b-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-02.azure-dns.com	13.107.236.2 2603:1061:0:700::2	ns1-02.azure-dns.com ns1-02.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-02.azure-dns.net	150.171.21.2 2620:1ec:8ec:700::2	ns2-02.azure-dns.net ns2-02.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-02.azure-dns.org	204.14.183.2 2a01:111:4000:700::2	ns3-02.azure-dns.org ns3-02.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-02.azure-dns.info	208.84.5.2 2620:1ec:bda:700::2	ns4-02.azure-dns.info ns4-02.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	xf-dk.b-v1.mx.microsoft	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 52.101.68.0 52.101.68.39 52.101.68.8 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 83ms

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

📝 TXT Records#

1 records 196ms

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

✉️ SPF#

Policy	Record (xf.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.xf.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@xf.dk;

📬 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 2026-10-16 15:32:20

www	Exists, no address
www vs bare domain	Neither resolves xf.dk: no address www.xf.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 93ms

Service / Owner	Type	Cert association
SMTP _25._tcp.xf-dk.b-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.xf-dk.b-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.xf-dk.b-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.xf-dk.b-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…

🔐 DNSSEC#

83ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-02.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-24 20:25:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-05-01
Expires	2027-05-31 (218d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

50ms

58ms

AAAA

58ms

TXT

196ms

CAA

49ms

HTTPS

52ms

TLSA

93ms

SOA

0ms

MTA-STS

69ms

DNSSEC

83ms

SRV

83ms

Total

713ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:42:43 shown	713ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-24 12:43:16	2880ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-24 11:47:31	800ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:26:41	976ms	4 NS 0 A 1 MX	🔒 Secure