fcdn.dk DNS records

🖥️ Nameservers2 records 192ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olivia.ns.cloudflare.com	108.162.194.221 162.159.38.221 172.64.34.221 2606:4700:50::a29f:26dd 2803:f800:50::6ca2:c2dd 2a06:98c1:50::ac40:22dd	olivia.ns.cloudflare.com olivia.ns.cloudflare.com olivia.ns.cloudflare.com olivia.ns.cloudflare.com olivia.ns.cloudflare.com olivia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 201ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.119	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.49	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 141ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c231	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4c77	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 153ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.119,172.67.194.49 ech=AEX+DQBBqwAgACDkCSvgCwLYYm9K7HBg/UBsjJAM33qI+bO4HAjslhRSEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c231,2606:4700:3035::6815:4c77

📝 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)

🔐 DNSSEC250ms

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	2411361460
Primary NS (MNAME)	duke.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

192ms

A

201ms

MX

144ms

AAAA

141ms

TXT

352ms

CAA

213ms

HTTPS

153ms

TLSA

139ms

SOA

0ms

MTA-STS

230ms

DNSSEC

250ms

SRV

214ms

Total

1293ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 03:57:31	1293ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-18 15:09:31	9637ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 03:16:15	2126ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 22:32:34	512ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 09:25:25	616ms	2 NS 2 A 0 MX	🔓 Insecure	View