programmering.dk

📜 Historical scan 2026-10-13 19:48:25 · ← 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 113ms

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 62ms

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 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	programmering-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::26 2a01:111:f403:ca21::8 52.101.209.28 52.101.68.25 52.101.68.39 52.101.73.155	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.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 100ms

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 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.184,172.67.141.9 ech=AEX+DQBB8wAgACAqFPXp/n/N9FT8uQXqL6A8tg3HkFmDyrexbl99quxdIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d09,2606:4700:3031::6815:36b8

📝 TXT Records#

1 records 379ms

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	bfWqAMqpfKEKxXnYh9cqDdhpKxWe2LoDN4M0aZJ7n8k
TXT	_acme-challenge.programmering.dk	UVc7E-aqA3-pfRRyfNXJOpRozL2Oey8oA4SD-dQPFmM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

214ms

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

🏷️ SOA#

90ms

Field	Value
Serial	2417365216
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#

113ms

62ms

73ms

AAAA

100ms

TXT

379ms

CAA

89ms

HTTPS

71ms

TLSA

1236ms

SOA

90ms

MTA-STS

170ms

DNSSEC

214ms

SRV

282ms

Total

5368ms

🕐 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 shown	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	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