zxf.dk

📜 Historical scan 2026-06-27 05:16:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zxf.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was registered on 21 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by zxf-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 276ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 215ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	zxf-dk.b-v1.mx.microsoft	2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.68.16 52.101.68.3 52.101.73.1 52.101.73.26	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.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 402ms

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

📝 TXT Records#

1 records 657ms

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

✉️ SPF#

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

📨 DMARC#

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

latest probe, not this scan · checked 2026-10-07 23:28:50

www	Exists, no address
www vs bare domain	Neither resolves zxf.dk: no address www.zxf.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#

6 records 113ms

Service / Owner	Type	Cert association
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.zxf-dk.b-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…

🔐 DNSSEC#

338ms

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

🏷️ SOA#

239ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 19:13:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-12-21
Expires	2035-12-31 (3354d)

📋 WHOIS#

⏱️ Lookup Timing#

276ms

202ms

215ms

AAAA

158ms

TXT

657ms

CAA

197ms

HTTPS

187ms

TLSA

113ms

SOA

239ms

MTA-STS

256ms

DNSSEC

338ms

SRV

402ms

Total

2297ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 23:28:50	485ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-30 20:57:01	668ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-30 08:00:05	695ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-25 16:57:26	662ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-27 05:16:31 shown	2297ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-25 05:58:08	1157ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-22 14:33:58	4012ms	4 NS 0 A 1 MX	⚠️ Bogus
2026-06-21 11:32:54	930ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:59:21	1029ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-18 04:43:03	1282ms	4 NS 0 A 1 MX	🔒 Secure