cfl.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.125	3600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cfl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::e 52.101.103.140 52.101.68.3 52.101.68.36 52.101.73.1	mail-du2pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.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
🔶 Autoconfig	172.66.0.125

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::7d	3600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh
2a06:98c1:58::7d	3600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 163ms

TXT Record
v=spf1 a mx ip4:152.115.131.154 ip4:77.221.234.11 ip4:77.221.226.24 ip4:85.235.1.32 ip4:77.243.131.195 ip4:77.221.234.3 ip4:185.21.42.105 ip4:185.21.40.76 ip4:69.48.215.10 ip4:94.137.137.114 ip4:185.21.42.105 Include:acemdns.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cfl.dk)
-all (hard fail)	v=spf1 a mx ip4:152.115.131.154 ip4:77.221.234.11 ip4:77.221.226.24 ip4:85.235.1.32 ip4:77.243.131.195 ip4:77.221.234.3 ip4:185.21.42.105 ip4:185.21.40.76 ip4:69.48.215.10 ip4:94.137.137.114 ip4:185.21.42.105 include:acemdns.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cfl.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:tjmpklk7@ag.eu.dmarcian.com;

📬 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)

🔐 DNSSEC78ms

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

🏷️ SOA0ms

Field	Value
Serial	2026062301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

53ms

MX

45ms

AAAA

37ms

TXT

163ms

CAA

46ms

HTTPS

43ms

TLSA

617ms

SOA

0ms

MTA-STS

55ms

DNSSEC

78ms

SRV

63ms

Total

1180ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 11:27:33	1180ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 01:32:05	941ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-24 00:06:04	1694ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-22 18:00:02	3171ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 20:10:55	1684ms	2 NS 2 A 1 MX	🔒 Secure	View