openhost.dk

Records from scan: 2026-09-24 16:03:24 · 4799ms total · last checked 2026-10-18 13:05 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 47ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.135	300s	—	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a13:e746:8818:100::10	300s	—	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#

2 records 257ms

TXT Record
stripe-verification=c95557d6d3a48facf400eb1a2ef7451303a60ce24bb6ed5af9884ce1ed6e3ab3
v=spf1 include:spf.protection.outlook.com include:int-spf.openhost.dk include:_spf.topdns.com include:_spf.mailrelay.rrpproxy.net -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 53ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

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: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.openhost.dk	aM66Oa_NuR1MWXNIW7EsS3rwhWR2mKvFxQP8Z9Xjlgo

🔗 TLSA / DANE#

4 records 4029ms

Service / Owner	Type	Cert association
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.openhost-dk.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…

🔐 DNSSEC#

70ms

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

🏷️ SOA#

0ms

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#

47ms

42ms

54ms

AAAA

51ms

TXT

257ms

CAA

53ms

HTTPS

37ms

TLSA

4029ms

SOA

0ms

MTA-STS

73ms

DNSSEC

70ms

SRV

79ms

Total

4799ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 16:03:24 shown	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	4123ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:01:01	1221ms	4 NS 1 A 1 MX	🔒 Secure