visiodan.dk

Records from scan: 2026-10-09 14:05:00 · 1395ms total · last checked 2026-10-18 04:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

visiodan.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.221.252.81 is hosted by Unit IT A/S (AS42876) in Denmark. Mail is handled by visiodan-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.221.252.81	600s	—	AS42876	Unit IT A/S	77.221.224.0/19	🇩🇰 Denmark	Tåstrup

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	visiodan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.73.153 52.101.91.153 52.101.91.156 52.101.91.21	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 88ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 106ms

TXT Record
_globalsign-domain-verification=QX6n2WMq6_LesFFLXGDd2Y1nboX12gghOTy_Be9qvW
MS=ms49773536
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.visiodan.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:admin@visiodan.dk; ruf=mailto:admin@visiodan.dk; fo=1

📬 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 2026-10-09 14:05:00

www	77.221.252.81 (AS42876) (address records, no CNAME)
www vs bare domain	Same network visiodan.dk: 77.221.252.81 (AS42876) www.visiodan.dk: 77.221.252.81 (AS42876)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-visiodan-dk._domainkey.visiodan.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

22ms

Field	Value
Serial	2023050102
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 04:15:03

Field	Value
Registrar	DANDOMAIN A/S
Registered	1997-05-14
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

42ms

AAAA

28ms

TXT

106ms

CAA

37ms

HTTPS

34ms

TLSA

801ms

SOA

22ms

MTA-STS

40ms

DNSSEC

108ms

SRV

88ms

Total

1395ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:05:00 shown	1395ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:01:06	879ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 02:07:43	2593ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:37:10	2437ms	2 NS 1 A 1 MX	🔒 Secure