ffhau.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
arnold.ns.cloudflare.com	108.162.193.69 172.64.33.69 173.245.59.69 2606:4700:58::adf5:3b45 2803:f800:50::6ca2:c145 2a06:98c1:50::ac40:2145	arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.220.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:dc67	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3e34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 89ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.52,172.67.220.103 ech=AEX+DQBBBQAgACAI29LdIGQ823magvHOCa+pRkW7nk1DjW8Pq9PWICq3WgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:dc67,2606:4700:3037::6815:3e34

📝 TXT Records1 records 348ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (ffhau.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.ffhau.dk)
p=reject	v=DMARC1; p=reject;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ffhau.dk	2_EApnzxao5ILRvp25pGhjCyWPMv1J7_i6xi5S27-SA
TXT	_acme-challenge.ffhau.dk	dilZR8ofUNngvhWhmJd7qZCaPx9lP1pOPuat-JS6xII
TXT	_acme-challenge.ffhau.dk	fQ239GkuWwUYjhg7aow_McBbda4SYrPkxRUlmFe1wAk
TXT	_acme-challenge.ffhau.dk	jxMgbSbpHya1FJ2Sv13yD2tyjXaPCYI48vK1VA8h1AQ
TXT	_acme-challenge.ffhau.dk	O7IttrAR8zLzu3MC9Or7cG9yl467uWAnVtZnxJjO7IQ
TXT	_acme-challenge.ffhau.dk	qluGB-S87Lncgy_W3WPWjX0wmKoIgYPMe3zYetEalmU

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC232ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413753549
Primary NS (MNAME)	arnold.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

72ms

A

98ms

MX

81ms

AAAA

84ms

TXT

348ms

CAA

74ms

HTTPS

89ms

TLSA

174ms

SOA

0ms

MTA-STS

128ms

DNSSEC

232ms

SRV

157ms

Total

1071ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 17:20:13	1071ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-31 10:11:17	967ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-29 00:34:24	1541ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-22 22:18:31	3505ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-18 17:07:26	2396ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-06 00:47:39	866ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-11 09:20:05	1018ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-04 15:22:43	819ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 09:30:40	865ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 16:36:26	841ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 09:56:50	2518ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 09:41:43	455ms	2 NS 2 A 0 MX	🔒 Secure	View