skilltree.dk

📜 Historical scan 2026-06-21 00:13:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skilltree.dk is a .dk domain with no delegation in this scan. It was registered on 2 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route3.mx.cloudflare.net and 1 more. 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#

🖥️

No NS records found

🌍 A Records#

2 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

3 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
37	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
56	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
59	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBLgAgACAh4V20masyK5CKKmV2Gfdlq8fqU0lvexM1Rv4PxV+6OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records 390ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (skilltree.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.skilltree.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-09 14:20:53

www	104.21.86.103 172.67.217.214 2606:4700:3035::6815:5667 2606:4700:3036::ac43:d9d6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network skilltree.dk: 104.21.86.103 172.67.217.214 2606:4700:3035::6815:5667 2606:4700:3036::ac43:d9d6 (AS13335) www.skilltree.dk: 104.21.86.103 172.67.217.214 2606:4700:3035::6815:5667 2606:4700:3036::ac43:d9d6 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 207ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

256ms

Check	Result
Validation Status	Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: 🔓 Insecure).
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

70ms

Field	Value
Serial	2406790905
Primary NS (MNAME)	dawn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 14:52:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-03-02
Expires	2027-07-31 (283d)

📋 WHOIS#

⏱️ Lookup Timing#

74ms

102ms

104ms

AAAA

72ms

TXT

390ms

CAA

102ms

HTTPS

83ms

TLSA

207ms

SOA

70ms

MTA-STS

76ms

DNSSEC

256ms

SRV

158ms

Total

1565ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:20:52	2902ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-08 12:36:52	3951ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-04 08:35:17	661ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-02 15:27:43	2168ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 15:06:47	878ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 20:37:24	878ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-11 06:01:14	6051ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 02:50:24	9669ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-27 16:49:38	2355ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 00:13:21 shown	1565ms	0 NS 2 A 3 MX	🔓 Insecure
2026-06-20 23:48:44	953ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 16:56:06	2657ms	2 NS 2 A 3 MX	🔓 Insecure