f1it.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
cass.ns.cloudflare.com	108.162.192.81 172.64.32.81 173.245.58.81 2606:4700:50::adf5:3a51 2803:f800:50::6ca2:c051 2a06:98c1:50::ac40:2051	cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dax.ns.cloudflare.com	108.162.195.133 162.159.44.133 172.64.35.133 2606:4700:58::a29f:2c85 2803:f800:50::6ca2:c385 2a06:98c1:50::ac40:2385	dax.ns.cloudflare.com dax.ns.cloudflare.com dax.ns.cloudflare.com dax.ns.cloudflare.com dax.ns.cloudflare.com dax.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.52.172	300s	web01.f1it.dk	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	f1it-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::24 2a01:111:f403:ca09::26 2a01:111:f403:ca09::7 52.101.103.143 52.101.68.21 52.101.73.1 52.101.73.2	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 153ms

TXT Record
google-site-verification=tRJP70-o3Q9Q94lMLOcw5KraISqjwNXmpG9WwA5HMEU
MS=ms90027199
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (f1it.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.f1it.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@f1it.dk; fo=1

📬 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.f1it.dk	H-0FIQQ75IgHlpNOkRNE9nvgU5IBbx0EN9UgmfVRMAk
TXT	_acme-challenge.f1it.dk	Umee1_c5RSAIIbKdxOEWa6OBdWqnWeXOjOndnVI5Yns

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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	2413570022
Primary NS (MNAME)	cass.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

29ms

A

29ms

MX

39ms

AAAA

24ms

TXT

153ms

CAA

32ms

HTTPS

29ms

TLSA

869ms

SOA

0ms

MTA-STS

42ms

DNSSEC

109ms

SRV

68ms

Total

1402ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 08:10:13	1402ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 05:30:40	1014ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 16:38:27	12379ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 00:28:07	3640ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-30 13:21:22	2079ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-05 19:43:20	25832ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 15:05:20	3673ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 21:24:34	1024ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-17 09:10:26	1015ms	2 NS 1 A 1 MX	🔓 Insecure	View