virtualhost.dk

📜 Historical scan 2026-10-02 18:33:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

virtualhost.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, rihana.ns.cloudflare.com). It was registered on 30 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.80 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by virtualhost-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 41ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.80	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.238	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	virtualhost-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 2a01:111:f403:ca38::a 52.101.103.137 52.101.68.12 52.101.73.126 52.101.73.145	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.136
🔶 Autoconfig	104.21.10.80

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:a50	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:90ee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.80,172.67.144.238 ech=AEX+DQBBVgAgACBSCnguuint6pSmgTUy95ya61JpQLx0VRPdhf6qwS6HKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:a50,2606:4700:3033::ac43:90ee

🔌 SRV Records#

1 records 82ms

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

📝 TXT Records#

1 records 186ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.virtualhost.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:jan@virtualhost.dk; ruf=mailto:jan@virtualhost.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 21:37:43

www	104.21.10.80 172.67.144.238 2606:4700:3032::6815:a50 2606:4700:3033::ac43:90ee (AS13335) (address records, no CNAME)
www vs bare domain	Same network virtualhost.dk: 104.21.10.80 172.67.144.238 2606:4700:3032::6815:a50 2606:4700:3033::ac43:90ee (AS13335) www.virtualhost.dk: 104.21.10.80 172.67.144.238 2606:4700:3032::6815:a50 2606:4700:3033::ac43:90ee (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-virtualhost-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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2416405151
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 22:05:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-04-30
Expires	2027-04-30 (190d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

43ms

61ms

AAAA

61ms

TXT

186ms

CAA

40ms

HTTPS

65ms

TLSA

532ms

SOA

35ms

MTA-STS

72ms

DNSSEC

97ms

SRV

82ms

Total

1246ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 21:37:43	1874ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 18:33:04 shown	1246ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 18:24:18	1133ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 17:53:17	2769ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 16:51:26	1024ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 14:04:38	1755ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 13:03:17	1893ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 12:48:56	1406ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 20:19:33	2238ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 05:51:51	1575ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-01 08:19:46	1356ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 18:51:04	1447ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 14:48:57	1545ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 03:26:59	1048ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 22:37:25	1192ms	2 NS 2 A 1 MX	🔒 Secure