cfs.dk

📜 Historical scan 2026-06-25 13:41:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfs.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 15 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ASPMX.L.GOOGLE.com, ALT1.ASPMX.L.GOOGLE.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

4 records 291ms

Nameserver	IP addresses	PTR	ASN / 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 281ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 295ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ASPMX.L.GOOGLE.com	2a00:1450:4001:c21::1a 74.125.71.27	lcfrai-in-f26.1e100.net wn-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT1.ASPMX.L.GOOGLE.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT2.ASPMX.L.GOOGLE.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT3.ASPMX.L.GOOGLE.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT4.ASPMX.L.GOOGLE.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 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#

latest probe, not this scan · checked 2026-10-13 06:45:24

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cfs.dk: 94.231.103.100 (AS48854) www.cfs.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

419ms

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

🏷️ SOA#

267ms

Field	Value
Serial	2020072990
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 07:00:49

Field	Value
Registrar	Simply.com A/S
Registered	2002-10-15
Expires	2026-12-31 (68d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

291ms

281ms

295ms

AAAA

273ms

TXT

432ms

CAA

258ms

HTTPS

254ms

TLSA

340ms

SOA

267ms

MTA-STS

315ms

DNSSEC

419ms

SRV

376ms

Total

3560ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:45:24	1425ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-01 21:47:26	901ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-29 21:35:01	577ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-26 22:10:11	985ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-29 14:43:35	689ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-25 21:09:42	1765ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-25 13:41:04 shown	3560ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-20 03:22:47	2611ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-16 20:10:30	720ms	4 NS 1 A 5 MX	🔒 Secure