openhost.dk

📜 Historical scan 2026-09-02 17:11:09 · ← 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 30ms

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 15ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.135	300s	int-web01.cph.openhost.dk	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 15ms

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

🔷 AAAA Records (IPv6)#

1 records 13ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a13:e746:8818:100::10	300s	—	AS216275	Netnoerden ApS	2a13:e740::/29	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 129ms

TXT Record
stripe-verification=c95557d6d3a48facf400eb1a2ef7451303a60ce24bb6ed5af9884ce1ed6e3ab3
v=spf1 include:spf.protection.outlook.com include:int-spf.openhost.dk 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.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 63ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 160ms

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

🔐 DNSSEC#

112ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	uYIbsgp0xorzYQ6YIj1dRBTVczbmOAM4h2cLRh8W…
ZSK	ECDSA P-256/SHA-256	AHQ6ozFjfA2FHwtKUZul9hPWmBq1MW6EkLfDffDL…
ZSK	ECDSA P-256/SHA-256	cfYRomu1yM90TulLbnPfY+nA4ojweEJ7llXn7mJP…

🏷️ SOA#

15ms

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#

30ms

15ms

AAAA

13ms

TXT

129ms

CAA

63ms

HTTPS

53ms

TLSA

160ms

SOA

15ms

MTA-STS

8ms

DNSSEC

112ms

SRV

0ms

Total

2547ms

🕐 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 shown	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