sfd.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rocco.ns.cloudflare.com	108.162.195.121 162.159.44.121 172.64.35.121 2606:4700:58::a29f:2c79 2803:f800:50::6ca2:c379 2a06:98c1:50::ac40:2379	rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.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
104.21.52.220	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.93	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:34dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cc5d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.220,172.67.204.93 ech=AEX+DQBBjQAgACA3JdDdazCvUIj5cQFyFzpAKexKjddyvSRRkisRnNlZAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:34dc,2606:4700:3035::ac43:cc5d

📝 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)

🔐 DNSSEC100ms

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	2413396324
Primary NS (MNAME)	cortney.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

51ms

A

53ms

MX

44ms

AAAA

76ms

TXT

216ms

CAA

52ms

HTTPS

53ms

TLSA

50ms

SOA

0ms

MTA-STS

82ms

DNSSEC

100ms

SRV

72ms

Total

573ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 11:50:32	573ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-29 01:42:29	2209ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 22:38:18	1304ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 20:45:22	474ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 20:19:43	777ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-10 05:20:28	1135ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 03:14:25	862ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 22:17:06	809ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 20:00:21	432ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 15:21:31	777ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 05:00:19	2849ms	2 NS 2 A 0 MX	🔓 Insecure	View