black-cat-software.dk

Records from scan: 2026-10-17 15:50:38 · 2145ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

black-cat-software.dk is a .dk domain served by 2 nameservers (marge.ns.cloudflare.com, toby.ns.cloudflare.com). It was registered on 6 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.243 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blackcatsoftware-dk01cc.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
marge.ns.cloudflare.com	108.162.192.191 172.64.32.191 173.245.58.191 2606:4700:50::adf5:3abf 2803:f800:50::6ca2:c0bf 2a06:98c1:50::ac40:20bf	marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
toby.ns.cloudflare.com	108.162.193.239 172.64.33.239 173.245.59.239 2606:4700:58::adf5:3bef 2803:f800:50::6ca2:c1ef 2a06:98c1:50::ac40:21ef	toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.ns.cloudflare.com toby.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.243	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.42	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	blackcatsoftware-dk01cc.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca38::a 2a01:111:f403:ca48::c 52.101.209.28 52.101.68.12 52.101.68.29 52.101.73.155	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5bf3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b62a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.243,172.67.182.42 ech=AEX+DQBBeQAgACBcrzCFe7fREIQtOcMeAD35ziE7ym244pSe5ME4ZNQZSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5bf3,2606:4700:3033::ac43:b62a

📝 TXT Records#

2 records 185ms

TXT Record
MS=ms28764913
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (black-cat-software.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

checked 2026-10-17 15:50:38

www	104.21.91.243 172.67.182.42 2606:4700:3032::6815:5bf3 2606:4700:3033::ac43:b62a (AS13335) (address records, no CNAME)
www vs bare domain	Same network black-cat-software.dk: 104.21.91.243 172.67.182.42 2606:4700:3032::6815:5bf3 2606:4700:3033::ac43:b62a (AS13335) www.black-cat-software.dk: 104.21.91.243 172.67.182.42 2606:4700:3032::6815:5bf3 2606:4700:3033::ac43:b62a (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

121ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2417625641
Primary NS (MNAME)	marge.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 16:29:18

Field	Value
Registrar	Simply.com A/S
Registered	2014-02-06
Expires	2028-02-29 (498d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
annalundfaaborg.dk	Simply.com A/S
johnlundfaaborg.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

45ms

38ms

37ms

AAAA

34ms

TXT

185ms

CAA

43ms

HTTPS

36ms

TLSA

808ms

SOA

46ms

MTA-STS

53ms

DNSSEC

121ms

SRV

116ms

Total

2145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 15:50:38 shown	2145ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 20:39:29	1025ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 19:46:13	955ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 14:26:43	1488ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 14:09:22	1402ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 11:34:13	1226ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 07:32:58	3047ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 07:11:07	8373ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 04:32:18	1734ms	2 NS 2 A 1 MX	❓ Unknown
2026-08-09 22:36:30	5635ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-23 19:45:47	9264ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 20:20:25	11102ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 03:58:12	2972ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 16:57:13	2248ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 14:45:33	660ms	2 NS 2 A 1 MX	🔓 Insecure