stuk.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
meiling.ns.cloudflare.com	108.162.194.254 162.159.38.254 172.64.34.254 2606:4700:50::a29f:26fe 2803:f800:50::6ca2:c2fe 2a06:98c1:50::ac40:22fe	meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.68.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.195.9	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	stuk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.68.27 52.101.68.29 52.101.68.8 52.101.73.24	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.56
🔶 Autoconfig	104.21.68.117

🔷 AAAA Records (IPv6)2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4475	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c309	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.68.117,172.67.195.9 ech=AEX+DQBB3gAgACBI87mN4RkXSwFtz8PNciwKuj5yrWbaTHlWMCRivntVSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4475,2606:4700:3036::ac43:c309

📝 TXT Records3 records 244ms

TXT Record
MS=ms60314174
uvmid=525008
v=spf1 include:spf.protection.outlook.com ip4:178.132.238.245 ip4:87.118.67.76 ip4:13.69.124.26 -all

✉️ SPF

Policy	Record (stuk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:178.132.238.245 ip4:87.118.67.76 ip4:13.69.124.26 -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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.stuk.dk	l02SuXHcvXqvnqlkwrI8KKCvgIfEV3zpggQm6TDa2qY

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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	2412153097
Primary NS (MNAME)	meiling.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

52ms

A

53ms

MX

57ms

AAAA

68ms

TXT

244ms

CAA

52ms

HTTPS

42ms

TLSA

745ms

SOA

0ms

MTA-STS

71ms

DNSSEC

84ms

SRV

91ms

Total

2094ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 00:37:10	2094ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-13 17:23:41	17360ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-12 21:47:41	11064ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 19:13:10	1632ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 00:26:06	1741ms	2 NS 2 A 1 MX	🔓 Insecure	View