vucfyn.dk

📜 Historical scan 2026-10-04 22:07:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vucfyn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.24.186 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 140ms

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 146ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.178.24.186	3600s	—	AS8075	Microsoft Corporation	52.160.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

4 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
20	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
30	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129	mx6.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Telco A/S
90	3600s	vucfyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::8 52.101.181.153 52.101.181.156 52.101.68.12 52.101.73.126	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 185ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

8 records 408ms

TXT Record
241f811k737sq6j99yd6xxs69hg9lgt5
9td7g52u1lm5usqinfpkc987km
apple-domain-verification=qwlOWK1Yq3GGv9Nt
f1nfov7oaf7r8u51an9oodtpg8
inst=Vuc -Fjernundervisningsprojekt - Fyns Amt
iqgnsl2mu0j8r9mm1k1nl6t42v
v=spf1 ip4:5.179.83.107 ip4:87.48.163.29 ip4:83.91.91.2 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.mcb.dk include:_spf.centerasecurity.dk include:sendgrid.net a:shop.vucfyn.dk -all
ZsgLJ5wDETngYnR02dDSybiWoEARTSEavtbkyif0jBpFvO6in/iBJhh2c4IS6f41VsHGjdYPY6aR7tG2JKW2UQ==

✉️ SPF#

Policy	Record (vucfyn.dk)
-all (hard fail)	v=spf1 ip4:5.179.83.107 ip4:87.48.163.29 ip4:83.91.91.2 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.mcb.dk include:_spf.centerasecurity.dk include:sendgrid.net a:shop.vucfyn.dk -all

📨 DMARC#

Policy	Record (_dmarc.vucfyn.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@itcfyn.dk;

📬 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 13:31:35

www CNAME	10210hf-fe.azurewebsites.net (all on azurewebsites.net) → 20.105.224.13 (AS8075)
www vs bare domain	Same network vucfyn.dk: 52.178.24.186 (AS8075) www.vucfyn.dk: 20.105.224.13 (AS8075)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-vucfyn-dk._domainkey.o365itcfyn.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records 1083ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

302ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2026100401
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 2026-10-23 01:17:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-21
Expires	2026-12-31 (68d)

🔗 Same registrant#

9 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).

Domain	Registrar
epxsøfart.dk	DANDOMAIN A/S
flowhf.dk	DANDOMAIN A/S
fvu-danmark.dk	DANDOMAIN A/S
fvu-erhverv.dk	DANDOMAIN A/S
fynshf.dk	DANDOMAIN A/S
obu-m.dk	Punktum dk A/S (direct)
uddannelsefyn.dk	ONE.COM A/S
vuc-erhverv.dk	Punktum dk A/S (direct)
vucfjernundervisning.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

140ms

146ms

123ms

AAAA

132ms

TXT

408ms

CAA

150ms

HTTPS

147ms

TLSA

1083ms

SOA

77ms

MTA-STS

198ms

DNSSEC

302ms

SRV

185ms

Total

3600ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:31:35	1536ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-08 07:40:13	1345ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-05 22:08:46	1472ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-04 22:07:34 shown	3600ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-03 21:47:45	1104ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-02 13:15:46	1159ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-30 13:04:51	2950ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-29 13:01:00	1838ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-27 12:40:19	1291ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-22 05:14:14	2522ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-21 04:33:17	6701ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-13 09:57:27	1972ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-22 11:04:32	6477ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 23:02:11	1767ms	2 NS 1 A 4 MX	🔒 Secure