cfuskole.dk

Records from scan: 2026-10-12 18:24:27 · 890ms total · last checked 2026-10-18 03:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfuskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.106.120.249 is hosted by TDC Holding A/S (AS3292) 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2.106.120.249	43200s	hval.dk	AS3292	TDC Holding A/S	2.104.0.0/14	🇩🇰 Denmark	Nordhavn

📧 MX Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 64.233.164.27	lu-in-f27.1e100.net lu-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC 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#

checked 2026-10-12 18:24:27

www CNAME	ghs.googlehosted.com (all on googlehosted.com) → 142.251.143.147 2a00:1450:400f:802::2013 (AS15169)
www vs bare domain	Different networks cfuskole.dk: 2.106.120.249 (AS3292) www.cfuskole.dk: 142.251.143.147 2a00:1450:400f:802::2013 (AS15169) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026101201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 14:34:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-05-28
Expires	2027-05-31 (224d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

32ms

AAAA

30ms

TXT

156ms

CAA

31ms

HTTPS

45ms

TLSA

128ms

SOA

48ms

MTA-STS

65ms

DNSSEC

107ms

SRV

63ms

Total

890ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:24:27 shown	890ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-10 14:20:06	4392ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-07 04:53:20	1333ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 03:09:17	665ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-22 00:01:08	1220ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 08:47:17	793ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-16 23:22:37	5115ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-11 03:35:50	5190ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-04 10:45:34	10624ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 06:42:54	3377ms	2 NS 1 A 5 MX	⚠️ Bogus
2026-06-23 21:54:42	1160ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:15:29	704ms	2 NS 1 A 5 MX	🔒 Secure