ffu.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
diva.ns.cloudflare.com	108.162.192.97 172.64.32.97 173.245.58.97 2606:4700:50::adf5:3a61 2803:f800:50::6ca2:c061 2a06:98c1:50::ac40:2061	diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
harvey.ns.cloudflare.com	108.162.195.152 162.159.44.152 172.64.35.152 2606:4700:58::a29f:2c98 2803:f800:50::6ca2:c398 2a06:98c1:50::ac40:2398	harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com harvey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.179	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:40ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:89b3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.234,172.67.137.179 ech=AEX+DQBBkwAgACCSBnl8QlHr8T8+3zKlBvjLbFDWexvKkkfEGZSlniHFfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:40ea,2606:4700:3037::ac43:89b3

📝 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)

🔐 DNSSEC9087ms

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	2413771998
Primary NS (MNAME)	diva.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

47ms

A

48ms

MX

70ms

AAAA

49ms

TXT

206ms

CAA

44ms

HTTPS

47ms

TLSA

59ms

SOA

0ms

MTA-STS

71ms

DNSSEC

9087ms

SRV

78ms

Total

9510ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 13:41:07	9510ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-31 12:07:53	2000ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-08 22:58:19	1743ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 08:14:41	2409ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 08:46:00	1172ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:24:58	604ms	2 NS 2 A 0 MX	🔓 Insecure	View