dfens.dk DNS records

🖥️ Nameservers2 records 179ms

Nameserver	IP addresses	PTR	ASN / ISP
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 192ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.201.1.153	300s	dns2.zernsee.com	AS24940	Hetzner Online GmbH	138.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records5 records 153ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:400c:c06::1b 2a00:1450:400c:c06::1b 74.125.71.26	wb-in-f27.1e100.net wb-in-x1b.1e100.net wn-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	142.250.147.27 2404:6800:4013:813::1a	rd-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	dfens.dk → 138.201.1.153
🔶 Autoconfig	dfens.dk → 138.201.1.153

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.dfens.dk	dfens.dk

🔗 TLSA / DANE

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

🔐 DNSSEC269ms

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	2411007507
Primary NS (MNAME)	fay.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

179ms

A

192ms

MX

153ms

AAAA

179ms

TXT

311ms

CAA

190ms

HTTPS

163ms

TLSA

312ms

SOA

0ms

MTA-STS

213ms

DNSSEC

269ms

SRV

208ms

Total

3380ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-01 12:29:41	3380ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-09 05:52:45	1347ms	2 NS 1 A 5 MX	❓ Unknown	View
2026-06-26 07:41:54	2336ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-06-20 05:36:13	1191ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-06-20 03:03:31	11961ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-06-17 02:35:54	2644ms	2 NS 1 A 5 MX	🔓 Insecure	View