cfl.dk

📜 Historical scan 2026-09-25 07:40:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfl.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 12 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cfl-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.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
curns02.dnsadmin.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 Records#

2 records 32ms

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

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cfl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.103.140 52.101.68.39 52.101.91.153 52.101.91.156	mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.154.136
🔶 Autoconfig	162.159.140.127

🔷 AAAA Records (IPv6)#

2 records 43ms

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	—	—
2a06:98c1:58::7d	3600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 125ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 14:38:36

www	162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) (address records, no CNAME)
www vs bare domain	Same network cfl.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) www.cfl.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u43940623.wl124.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u43940623.wl124.sendgrid.net	RSA · ~2048 bit
selector1	selector1-cfl-dk._domainkey.centerforledelse.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 15:04:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-12
Expires	2029-06-30 (983d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
blanchard.dk	Punktum dk A/S (direct)
blanchardinternational.dk	Punktum dk A/S (direct)
lederquiz.dk	Punktum dk A/S (direct)
lederudviklingsprogram.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

32ms

41ms

AAAA

43ms

TXT

125ms

CAA

43ms

HTTPS

27ms

TLSA

184ms

SOA

0ms

MTA-STS

53ms

DNSSEC

106ms

SRV

49ms

Total

824ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:38:36	3315ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 10:05:59	1063ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 19:55:10	1011ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 17:21:14	1215ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 07:40:24 shown	824ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-11 17:16:04	6984ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-02 11:27:33	1180ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 01:32:05	941ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 00:06:04	1694ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 18:00:02	3171ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 20:10:55	1684ms	2 NS 2 A 1 MX	🔒 Secure