gfk.dk

📜 Historical scan 2026-06-19 16:15:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gfk.dk is a .dk domain served by 2 nameservers (lara.ns.cloudflare.com, mike.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gfk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 202ms

Nameserver	IP addresses	PTR	ASN / ISP
lara.ns.cloudflare.com	108.162.192.128 172.64.32.128 173.245.58.128 2606:4700:50::adf5:3a80 2803:f800:50::6ca2:c080 2a06:98c1:50::ac40:2080	lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com lara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mike.ns.cloudflare.com	108.162.195.63 162.159.44.63 172.64.35.63 2606:4700:58::a29f:2c3f 2803:f800:50::6ca2:c33f 2a06:98c1:50::ac40:233f	mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 225ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

1 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	2057s	gfk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.36 52.101.73.12 52.101.73.16 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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)#

2 records 240ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 210ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBpwAgACBs9pAv49sxGd5M0JtfDaykB/GTjkzZ+kxM+AhMXZDbXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

🔌 SRV Records#

1 records 437ms

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

📝 TXT Records#

2 records 2338ms

TXT Record
MS=ms43508884
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gfk.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#

latest probe, not this scan · checked 2026-10-12 00:17:43

www	104.21.40.49 172.67.176.38 2606:4700:3030::ac43:b026 2606:4700:3036::6815:2831 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gfk.dk: 104.21.40.49 172.67.176.38 2606:4700:3030::ac43:b026 2606:4700:3036::6815:2831 (AS13335) www.gfk.dk: 104.21.40.49 172.67.176.38 2606:4700:3030::ac43:b026 2606:4700:3036::6815:2831 (AS13335)
Wildcard	No

🔎 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#

1579ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

293ms

Field	Value
Serial	2404844446
Primary NS (MNAME)	lara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

202ms

225ms

238ms

AAAA

240ms

TXT

2338ms

CAA

234ms

HTTPS

210ms

TLSA

857ms

SOA

293ms

MTA-STS

309ms

DNSSEC

1579ms

SRV

437ms

Total

10252ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 01:39:59	1222ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 00:29:00	10703ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 13:03:56	1966ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 08:11:36	2490ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 17:10:51	11002ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 06:28:56	1635ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-17 04:51:05	11079ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 12:52:39	2715ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-12 14:36:46	746ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-10 08:46:09	745ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-08 15:55:21	873ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-05 06:49:17	3776ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-04 06:48:37	2232ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-03 00:25:54	490ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-22 17:11:34	4563ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 05:17:44	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 16:15:45 shown	10252ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 09:40:29	2579ms	2 NS 2 A 1 MX	🔓 Insecure