ufsf.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
randy.ns.cloudflare.com	108.162.195.109 162.159.44.109 172.64.35.109 2606:4700:58::a29f:2c6d 2803:f800:50::6ca2:c36d 2a06:98c1:50::ac40:236d	randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com randy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.13.170.36	60s	static.36.170.13.49.clients.your-server.de	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	ufsf.dk → 49.13.170.36
🔶 Autoconfig	ufsf.dk → 49.13.170.36

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 132ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ufsf.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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.ufsf.dk	ufsf.dk

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413612808
Primary NS (MNAME)	brenda.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

25ms

A

27ms

MX

36ms

AAAA

36ms

TXT

132ms

CAA

34ms

HTTPS

30ms

TLSA

627ms

SOA

0ms

MTA-STS

37ms

DNSSEC

98ms

SRV

62ms

Total

1939ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:48:06	1939ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-26 19:07:22	9823ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-08 10:50:22	990ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-17 04:11:40	17517ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-25 06:36:56	783ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-21 13:43:19	464ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-21 00:20:26	1129ms	2 NS 1 A 0 MX	⚠️ Bogus	View
2026-06-18 08:05:37	3037ms	2 NS 1 A 0 MX	🔓 Insecure	View