gfk.dk DNS records

🖥️ Nameservers2 records 44ms

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 Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.49	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.38	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gfk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 52.101.103.143 52.101.73.12 52.101.73.153 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:b026	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:2831	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.49,172.67.176.38 ech=AEX+DQBBvQAgACDpdfGVX0r8uwLmFl+1tO2MdzPQQvlMOm+9SjHMKc6aCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b026,2606:4700:3036::6815:2831

🔌 SRV Records1 records 76ms

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

📝 TXT Records2 records 197ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2409944472
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

44ms

MX

42ms

AAAA

63ms

TXT

197ms

CAA

50ms

HTTPS

47ms

TLSA

381ms

SOA

0ms

MTA-STS

79ms

DNSSEC

115ms

SRV

76ms

Total

1966ms

🕐 Scan History

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