vfu.dk

📜 Historical scan 2026-06-21 01:15:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vfu.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 5 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.58 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by vfu-dk.mail.protection.outlook.com. 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#

4 records 174ms

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 223ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.58	3600s	linux153.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 245ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vfu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::f 52.101.68.27 52.101.68.39 52.101.73.16 52.101.73.2	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 357ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 538ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.vfu.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-07 19:38:57

www	94.231.103.58 (AS48854) (address records, no CNAME)
www vs bare domain	Same network vfu.dk: 94.231.103.58 (AS48854) www.vfu.dk: 94.231.103.58 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

454ms

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

🏷️ SOA#

163ms

Field	Value
Serial	2026022600
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 2026-10-01 15:58:27

Field	Value
Registrar	Simply.com A/S
Registered	2017-05-05
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

174ms

223ms

245ms

AAAA

291ms

TXT

538ms

CAA

164ms

HTTPS

272ms

TLSA

905ms

SOA

163ms

MTA-STS

288ms

DNSSEC

454ms

SRV

357ms

Total

3154ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:38:57	985ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 15:19:18	721ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 14:59:33	2067ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 10:05:31	701ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:35:11	1078ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:52:37	1608ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:54:12	1067ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-21 01:15:27 shown	3154ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:59:43	3139ms	4 NS 1 A 1 MX	🔒 Secure