cfl-online.dk

Records from scan: 2026-09-30 22:05:36  ·  902ms total  ·  last checked 2026-10-23 23:43 (unchanged)
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cfl-online.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.245.83 is hosted by Itm8 A/S (AS44398) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   35ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.23.245.83 3600s vm-83.pub2.tdccloud.dk AS44398 Itm8 A/S 178.23.240.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovercfl-online.dk → 178.23.245.83
🔶 Autoconfigcfl-online.dk → 178.23.245.83

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-08 00:41:59
www CNAMEcfl-online.dk (all on cfl-online.dk)
www vs bare domainSame network
cfl-online.dk: 178.23.245.83 (AS44398)
www.cfl-online.dk: 178.23.245.83 (AS44398)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.cfl-online.dk cfl-online.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

46ms
FieldValue
Serial2026093000
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-23 18:25:50
FieldValue
RegistrarSimply.com A/S
Registered2015-04-23
Expires2027-04-30 (187d)

🔗 Same registrant#

6 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).

DomainRegistrar
blanchard.dkPunktum dk A/S (direct)
blanchardinternational.dkPunktum dk A/S (direct)
cfl-net.dkPunktum dk A/S (direct)
cfl.dkPunktum dk A/S (direct)
lederquiz.dkPunktum dk A/S (direct)
lederudviklingsprogram.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
47ms
MX
45ms
AAAA
40ms
TXT
114ms
CAA
31ms
HTTPS
46ms
TLSA
315ms
SOA
46ms
MTA-STS
50ms
DNSSEC
114ms
SRV
49ms
Total
902ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 22:05:36 shown 902ms 4 NS 1 A 0 MX 🔒 Secure
2026-07-02 01:16:01 1216ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-16 20:11:01 442ms 4 NS 1 A 0 MX 🔒 Secure
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