openhost.dk

📜 Historical scan 2026-06-19 12:46:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

openhost.dk is a .dk domain served by 4 nameservers (ns1.openhost.dk, ns2.openhost.dk, ns3.openhost.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.144.135 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by openhost-dk.l-v1.mx.microsoft. 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#

4 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.openhost.dk	205.251.193.242 2600:9000:5301:f200::1	ns-498.awsdns-62.com ns-498.awsdns-62.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns2.openhost.dk	205.251.197.119 2600:9000:5305:7700::1	ns-1399.awsdns-46.org ns-1399.awsdns-46.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns3.openhost.dk	205.251.195.224 2600:9000:5303:e000::1	ns-992.awsdns-60.net ns-992.awsdns-60.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns4.openhost.dk	205.251.199.36 2600:9000:5307:2400::1	ns-1828.awsdns-36.co.uk ns-1828.awsdns-36.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.135	600s	int-web01.cph.openhost.dk	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	openhost-dk.l-v1.mx.microsoft	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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

🔷 AAAA Records (IPv6)#

1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a13:e746:8818:100::10	600s	—	AS216275	Netnoerden ApS	2a13:e740:0:0:0:0:0:0/29	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 288ms

TXT Record
apple-domain-verification=TVn5eZT4JziTgVCgxd9-LTQtwmuPDukpiZrIRy8RWI4
apple-domain-verification=Yi3iOETprHY0Rei8
stripe-verification=c95557d6d3a48facf400eb1a2ef7451303a60ce24bb6ed5af9884ce1ed6e3ab3
v=spf1 include:int-spf.openhost.dk include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.openhost.dk)
p=reject	v=DMARC1; p=reject; sp=reject

📬 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 23:30:18

www CNAME	openhost.dk (all on openhost.dk) → 91.226.144.135 2a13:e746:8818:100::10 (AS216275)
www vs bare domain	Same network openhost.dk: 91.226.144.135 2a13:e746:8818:100::10 (AS216275) www.openhost.dk: 91.226.144.135 2a13:e746:8818:100::10 (AS216275)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records 136ms

Service / Owner	Type	Cert association
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…

🔐 DNSSEC#

96ms

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

🏷️ SOA#

42ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.openhost.dk
Responsible (RNAME)	hostmaster@openhost.dk
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

52ms

46ms

56ms

AAAA

59ms

TXT

288ms

CAA

41ms

HTTPS

42ms

TLSA

136ms

SOA

42ms

MTA-STS

42ms

DNSSEC

96ms

SRV

132ms

Total

4123ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 16:03:24	4799ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-02 17:11:09	2547ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-29 04:48:43	8757ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 12:46:24 shown	4123ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:01:01	1221ms	4 NS 1 A 1 MX	🔒 Secure