blackjackskema.dk

📜 Historical scan 2026-07-02 13:19:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blackjackskema.dk is a .dk domain served by 2 nameservers (annalise.ns.cloudflare.com, rob.ns.cloudflare.com). It was registered on 6 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.220 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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#

2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
annalise.ns.cloudflare.com	108.162.194.234 162.159.38.234 172.64.34.234 2606:4700:50::a29f:26ea 2803:f800:50::6ca2:c2ea 2a06:98c1:50::ac40:22ea	annalise.ns.cloudflare.com annalise.ns.cloudflare.com annalise.ns.cloudflare.com annalise.ns.cloudflare.com annalise.ns.cloudflare.com annalise.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rob.ns.cloudflare.com	108.162.193.140 172.64.33.140 173.245.59.140 2606:4700:58::adf5:3b8c 2803:f800:50::6ca2:c18c 2a06:98c1:50::ac40:218c	rob.ns.cloudflare.com rob.ns.cloudflare.com rob.ns.cloudflare.com rob.ns.cloudflare.com rob.ns.cloudflare.com rob.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.220	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.235	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	172.67.211.235

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4ddc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d3eb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.220,172.67.211.235 ech=AEX+DQBBUwAgACAc+8mkEk8wBqOwWAPqRlfB+cWX1VBYN5cmNifO0DJkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4ddc,2606:4700:3033::ac43:d3eb

📝 TXT Records#

2 records 188ms

TXT Record
google-site-verification=hbB3zvMaJiklHL_oTH-BbAsXSWEGpD3qtyjdqTJmbMI
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (blackjackskema.dk)
-all (hard fail)	v=spf1 include:spf.simply.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#

latest probe, not this scan · checked 2026-10-21 14:00:43

www	104.21.77.220 172.67.211.235 2606:4700:3030::6815:4ddc 2606:4700:3034::ac43:d3eb (AS13335) (address records, no CNAME)
www vs bare domain	Same network blackjackskema.dk: 104.21.77.220 172.67.211.235 2606:4700:3030::6815:4ddc 2606:4700:3034::ac43:d3eb (AS13335) www.blackjackskema.dk: 104.21.77.220 172.67.211.235 2606:4700:3030::6815:4ddc 2606:4700:3034::ac43:d3eb (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

68ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2405582477
Primary NS (MNAME)	annalise.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 12:17:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-03-06
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

43ms

58ms

AAAA

34ms

TXT

188ms

CAA

55ms

HTTPS

37ms

TLSA

55ms

SOA

36ms

MTA-STS

56ms

DNSSEC

68ms

SRV

47ms

Total

1658ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 14:00:43	553ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 15:52:01	978ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 13:48:30	563ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 21:20:56	2002ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 19:55:42	2603ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 19:53:59	675ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 22:40:56	9532ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 01:28:44	1698ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 23:40:16	1086ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 21:31:41	6745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 20:24:58	4814ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 08:03:37	888ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 13:19:09 shown	1658ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 17:15:34	1027ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 21:59:56	805ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 06:15:57	1018ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:45:48	585ms	2 NS 2 A 1 MX	🔓 Insecure