blackhost.dk

📜 Historical scan 2026-08-27 11:54:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blackhost.dk is a .dk domain served by 2 nameservers (ns1.blackhost.dk, ns2.blackhost.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.215.201 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by blackhost-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.blackhost.dk	95.179.132.153	ns1.fairhost.net	AS20473 The Constant Company, LLC
ns2.blackhost.dk	108.61.173.235	ns2.blackhost.dk	AS20473 The Constant Company, LLC

🌍 A Records#

1 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.215.201	14400s	cp10.fairhost.net	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	blackhost-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 2a01:111:f403:ca09::a 52.101.103.137 52.101.68.27 52.101.68.29 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	157.90.215.201

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 167ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 551ms

TXT Record
google-site-verification=KD0DgpNLYHnKGmuj8T55fuGM52IANHrcbvXjjkeO3lc
MS=ms15084666
v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:spf.mail.ispapi.net +include:spf.protection.outlook.com +include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (blackhost.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:spf.mail.ispapi.net +include:spf.protection.outlook.com +include:relay.mailchannels.net ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 03:20:49

www CNAME	blackhost.dk (all on blackhost.dk) → 157.90.215.201 (AS24940)
www vs bare domain	Same network blackhost.dk: 157.90.215.201 (AS24940) www.blackhost.dk: 157.90.215.201 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA Invalid key data — receivers can't verify signatures test mode

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: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blackhost.dk	CeRXsg4S6QVHY5AvEC-_GSzMwS9y8Ry0gkuE0uA7oO8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026081401
Primary NS (MNAME)	ns1.blackhost.dk
Responsible (RNAME)	hostmaster@blackhost.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

62ms

84ms

85ms

AAAA

84ms

TXT

551ms

CAA

80ms

HTTPS

87ms

TLSA

190ms

SOA

0ms

MTA-STS

140ms

DNSSEC

129ms

SRV

167ms

Total

1380ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 03:20:49	2824ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 11:54:04 shown	1380ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 23:02:03	2761ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 02:56:59	11325ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 15:32:43	814ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:21:34	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 21:26:53	957ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 14:45:20	915ms	2 NS 1 A 1 MX	🔓 Insecure