cfu-net.dk

📜 Historical scan 2026-06-18 18:28:51 · ← 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 202ms

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 276ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.59.228.202	600s	cfu-net.dk	AS47292	Sentia Denmark A/S	185.59.228.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 271ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	cfunet-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.10 52.101.68.15 52.101.73.12 52.101.73.28	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.253.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 1529ms

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#

2122ms

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

🏷️ SOA#

231ms

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#

202ms

276ms

271ms

AAAA

204ms

TXT

1529ms

CAA

230ms

HTTPS

269ms

TLSA

1968ms

SOA

231ms

MTA-STS

211ms

DNSSEC

2122ms

SRV

595ms

Total

10469ms

🕐 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 shown	10469ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:48	763ms	2 NS 1 A 1 MX	🔒 Secure