virtualcloud.dk

📜 Historical scan 2026-09-24 12:01:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

virtualcloud.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, rihana.ns.cloudflare.com). It was registered on 7 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.53.105 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by virtualcloud-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rihana.ns.cloudflare.com	108.162.192.244 172.64.32.244 173.245.58.244 2606:4700:50::adf5:3af4 2803:f800:50::6ca2:c0f4 2a06:98c1:50::ac40:20f4	rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.53.105	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	virtualcloud-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca21::e 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.181.156 52.101.68.29 52.101.73.155 52.101.91.162	mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3569	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d403	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.53.105,172.67.212.3 ech=AEX+DQBBuwAgACCcwq/zmIf69cFFmwR/sEy42+TBTUSEoAthbabDgYjkAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3569,2606:4700:3037::ac43:d403

🔌 SRV Records#

1 records 65ms

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

📝 TXT Records#

1 records 194ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.virtualcloud.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:jan@virtualcloud.dk; ruf=mailto:jan@virtualcloud.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#

latest probe, not this scan · checked 2026-10-09 22:35:52

www	104.21.53.105 172.67.212.3 2606:4700:3031::6815:3569 2606:4700:3037::ac43:d403 (AS13335) (address records, no CNAME)
www vs bare domain	Same network virtualcloud.dk: 104.21.53.105 172.67.212.3 2606:4700:3031::6815:3569 2606:4700:3037::ac43:d403 (AS13335) www.virtualcloud.dk: 104.21.53.105 172.67.212.3 2606:4700:3031::6815:3569 2606:4700:3037::ac43:d403 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-virtualcloud-dk._domainkey.virtualclouddk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-virtualcloud-dk._domainkey.virtualclouddk.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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.virtualcloud.dk	KXhf5JQ9enXC9oCd-5M9BSOXA9gvPSwieDXF4h8csL4
TXT	_acme-challenge.virtualcloud.dk	eItBYj2IR_pHxbihtTRrrzUEQzcV8jMPDjrwYjWESO8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415689319
Primary NS (MNAME)	karl.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 23:10:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-12-07
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

37ms

41ms

AAAA

41ms

TXT

194ms

CAA

35ms

HTTPS

33ms

TLSA

384ms

SOA

0ms

MTA-STS

53ms

DNSSEC

110ms

SRV

65ms

Total

1254ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 22:35:52	2378ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 12:41:43	1377ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 12:09:51	1159ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 12:01:12 shown	1254ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 09:40:47	973ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 02:33:44	1216ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 18:09:11	1962ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 00:07:48	4741ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-03 08:48:25	1548ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-27 04:10:38	1465ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 23:27:54	2731ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 17:07:50	3135ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 22:00:45	1670ms	2 NS 2 A 1 MX	🔒 Secure