fbs-cdn.dk DNS records

🖥️ Nameservers2 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bayan.ns.cloudflare.com	108.162.193.72 172.64.33.72 173.245.59.72 2606:4700:58::adf5:3b48 2803:f800:50::6ca2:c148 2a06:98c1:50::ac40:2148	bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.197	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.216	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.187.216
🔶 Autoconfig	104.21.56.197

🔷 AAAA Records (IPv6)2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:38c5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:bbd8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.197,172.67.187.216 ech=AEX+DQBB3gAgACBq2B1SoTJpy66xzbZEliIMiFjhr58UX39ll+CJd0lxfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:38c5,2606:4700:3032::ac43:bbd8

📝 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)

🔐 DNSSEC153ms

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	2411087751
Primary NS (MNAME)	barbara.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

64ms

A

63ms

MX

64ms

AAAA

61ms

TXT

432ms

CAA

78ms

HTTPS

59ms

TLSA

53ms

SOA

0ms

MTA-STS

95ms

DNSSEC

153ms

SRV

8086ms

Total

8652ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-03 05:38:05	8652ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-01 03:19:52	865ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 14:46:40	671ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 14:41:57	866ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 17:44:12	700ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 09:48:04	1298ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 09:42:25	540ms	2 NS 2 A 0 MX	🔓 Insecure	View