atu-flensborg.dk DNS records

🖥️ Nameservers2 records 134ms

Nameserver	IP addresses	PTR	ASN / ISP
daisy.ns.cloudflare.com	108.162.192.90 172.64.32.90 173.245.58.90 2606:4700:50::adf5:3a5a 2803:f800:50::6ca2:c05a 2a06:98c1:50::ac40:205a	daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com daisy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
thaddeus.ns.cloudflare.com	108.162.195.127 162.159.44.127 172.64.35.127 2606:4700:58::a29f:2c7f 2803:f800:50::6ca2:c37f 2a06:98c1:50::ac40:237f	thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.186	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.29	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.197.29
🔶 Autoconfig	104.21.92.186

🔷 AAAA Records (IPv6)2 records 153ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5cba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c51d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 107ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.186,172.67.197.29 ech=AEX+DQBB2wAgACDlLActS9zDuO5Bpxh2FHiG+iNfAG4ghK7MfNQ/+N6cCQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5cba,2606:4700:3035::ac43:c51d

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.atu-flensborg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

📬 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)

🔐 DNSSEC177ms

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	2410734462
Primary NS (MNAME)	daisy.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

134ms

A

108ms

MX

112ms

AAAA

153ms

TXT

245ms

CAA

84ms

HTTPS

107ms

TLSA

1171ms

SOA

0ms

MTA-STS

102ms

DNSSEC

177ms

SRV

143ms

Total

1991ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-03 11:53:24	1991ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 20:41:54	9727ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 00:09:44	877ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 13:50:52	1403ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 13:49:11	453ms	2 NS 2 A 0 MX	🔓 Insecure	View