gusteck.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
jaime.ns.cloudflare.com	108.162.195.102 162.159.44.102 172.64.35.102 2606:4700:58::a29f:2c66 2803:f800:50::6ca2:c366 2a06:98c1:50::ac40:2366	jaime.ns.cloudflare.com jaime.ns.cloudflare.com jaime.ns.cloudflare.com jaime.ns.cloudflare.com jaime.ns.cloudflare.com jaime.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lilyana.ns.cloudflare.com	108.162.194.244 162.159.38.244 172.64.34.244 2606:4700:50::a29f:26f4 2803:f800:50::6ca2:c2f4 2a06:98c1:50::ac40:22f4	lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.27.133	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.142.159	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.142.159
🔶 Autoconfig	172.67.142.159

🔷 AAAA Records (IPv6)2 records 25ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:1b85	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8e9f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.133,172.67.142.159 ech=AEX+DQBBWQAgACAKf/gwecFFeaFGJ2H+Cl5UAU24z/EAincfe49957SwcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1b85,2606:4700:3037::ac43:8e9f

📝 TXT Records1 records 183ms

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

✉️ SPF

Policy	Record (gusteck.dk)
-all (hard fail)	v=spf1 include:spf.simply.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.gusteck.dk	V4WFT1WOIFmBWEOXArsaE-I6t8rz8xP9rzwLOBDqIvw
TXT	_acme-challenge.gusteck.dk	qC8_MohC05Lzb-yZFwbL4pd3F3h5xGRrwlTWPXFpF7g

🔗 TLSA / DANE2 records 52ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC95ms

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	2413353971
Primary NS (MNAME)	jaime.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

28ms

A

33ms

MX

25ms

AAAA

25ms

TXT

183ms

CAA

25ms

HTTPS

33ms

TLSA

52ms

SOA

0ms

MTA-STS

57ms

DNSSEC

95ms

SRV

60ms

Total

1088ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 20:43:24	1088ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 01:33:09	9784ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-09 04:15:33	1986ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 15:24:29	865ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 23:34:24	893ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 06:07:30	1323ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 00:28:23	2964ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:50:23	913ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:44:41	1648ms	2 NS 2 A 1 MX	🔓 Insecure	View