lynkursus.dk DNS records

🖥️ Nameservers2 records 237ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vivienne.ns.cloudflare.com	108.162.194.50 162.159.38.50 172.64.34.50 2606:4700:50::a29f:2632 2803:f800:50::6ca2:c232 2a06:98c1:50::ac40:2232	vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 228ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.57	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	188.114.96.3
🔶 Autoconfig	104.21.93.39

🔷 AAAA Records (IPv6)2 records 214ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5d27	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:cc39	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 231ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.39,172.67.204.57 ech=AEX+DQBBiQAgACCxGJAuoG8V356LpsIibxedNw4YGDPhLzBmt+mD5B48ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5d27,2606:4700:3036::ac43:cc39

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC647ms

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

🏷️ SOA214ms

Field	Value
Serial	2411714783
Primary NS (MNAME)	ivan.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

237ms

A

228ms

MX

223ms

AAAA

214ms

TXT

675ms

CAA

199ms

HTTPS

231ms

TLSA

437ms

SOA

214ms

MTA-STS

298ms

DNSSEC

647ms

SRV

291ms

Total

27761ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 00:40:10	27761ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-10 05:24:47	2454ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-04 15:16:00	1527ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 22:10:59	472ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 01:43:38	848ms	2 NS 2 A 0 MX	🔓 Insecure	View