cfu-net.dk

📜 Historical scan 2026-06-16 20:10:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfu-net.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.59.228.202 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by cfunet-dk0i.mail.protection.outlook.com. 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#

2 records 114ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.59.228.202	—	cfu-net.dk	AS47292	Sentia Denmark A/S	185.59.228.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cfunet-dk0i.mail.protection.outlook.com	52.101.68.18 52.101.68.32 52.101.68.39 52.101.73.26	mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 204ms

TXT Record
MS=ms52824267
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cfu-net.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 2026-10-12 02:31:50

www	185.59.228.202 (AS47292) (address records, no CNAME)
www vs bare domain	Same network cfu-net.dk: 185.59.228.202 (AS47292) www.cfu-net.dk: 185.59.228.202 (AS47292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

217ms

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

🏷️ SOA#

105ms

Field	Value
Serial	2026061105
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 2026-07-12 13:34:27

Field	Value
Registrar	ONE.COM A/S
Registered	1998-09-24
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

114ms

108ms

102ms

AAAA

109ms

TXT

204ms

CAA

99ms

HTTPS

114ms

TLSA

248ms

SOA

105ms

MTA-STS

107ms

DNSSEC

217ms

SRV

0ms

Total

763ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 02:31:50	1061ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:22:45	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 03:09:10	2543ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 02:43:53	2846ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 23:47:43	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 17:12:16	9096ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 13:33:04	1302ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 21:06:45	658ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:13:50	3190ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 04:36:40	984ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 18:28:51	10469ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:48 shown	763ms	2 NS 1 A 1 MX	🔒 Secure