programmering.dk

📜 Historical scan 2026-10-11 08:19:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

programmering.dk is a .dk domain served by 2 nameservers (hans.ns.cloudflare.com, lia.ns.cloudflare.com). It was registered on 27 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.184 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by programmering-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
hans.ns.cloudflare.com	108.162.193.175 172.64.33.175 173.245.59.175 2606:4700:58::adf5:3baf 2803:f800:50::6ca2:c1af 2a06:98c1:50::ac40:21af	hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lia.ns.cloudflare.com	108.162.192.185 172.64.32.185 173.245.58.185 2606:4700:50::adf5:3ab9 2803:f800:50::6ca2:c0b9 2a06:98c1:50::ac40:20b9	lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.184	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.9	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	programmering-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::e 2a01:111:f403:ca21::10 2a01:111:f403:ca38::a 52.101.103.137 52.101.103.39 52.101.68.29 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8d09	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:36b8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.184,172.67.141.9 ech=AEX+DQBBogAgACAJOY2rwANMFlqc9But7pqVW3URnXU7kmwWdIQtvj/cRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d09,2606:4700:3031::6815:36b8

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 a:ssmxnwxswhndern.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (programmering.dk)
-all (hard fail)	v=spf1 a:ssmxnwxswhndern.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.programmering.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:905e197e69034caf8f9093250aad4f79@dmarc-reports.cloudflare.net

📬 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 2026-10-19 00:15:33

www	104.21.54.184 172.67.141.9 2606:4700:3030::ac43:8d09 2606:4700:3031::6815:36b8 (AS13335) (address records, no CNAME)
www vs bare domain	Same network programmering.dk: 104.21.54.184 172.67.141.9 2606:4700:3030::ac43:8d09 2606:4700:3031::6815:36b8 (AS13335) www.programmering.dk: 104.21.54.184 172.67.141.9 2606:4700:3030::ac43:8d09 2606:4700:3031::6815:36b8 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-programmering-dk._domainkey.tdchosting1016295.d-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-programmering-dk._domainkey.tdchosting1016295.d-v1.dkim.mail.microsoft	RSA · ~2048 bit

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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.programmering.dk	_B0L8uVIVYlDmrNTCRPXFp3ajPNCPZQhoR9yC0E167E
TXT	_acme-challenge.programmering.dk	dAssNFPdKOPmw7skiqaP9PwjrzWwNT4qHO_PSJNnLVU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2417150904
Primary NS (MNAME)	hans.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 08:42:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-08-27
Expires	2027-09-30 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

33ms

40ms

AAAA

40ms

TXT

162ms

CAA

37ms

HTTPS

35ms

TLSA

657ms

SOA

34ms

MTA-STS

58ms

DNSSEC

105ms

SRV

87ms

Total

3009ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 00:15:33	1624ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-15 22:06:56	751ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 20:19:45	2567ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 19:48:25	5368ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-12 09:44:55	1930ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 08:19:24 shown	3009ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 09:46:56	2428ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 03:54:00	6118ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-10 07:52:41	3275ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 21:25:46	4387ms	2 NS 2 A 1 MX	🔓 Insecure