skilltage.dk

📜 Historical scan 2026-09-04 09:24:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skilltage.dk is a .dk domain served by 2 nameservers (nero.ns.cloudflare.com, tessa.ns.cloudflare.com). It was registered on 7 August 2026 (WHOIS) and first appeared in the .dk zone on 8 August 2026. Its website address 104.21.49.239 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
nero.ns.cloudflare.com	108.162.195.28 162.159.44.28 172.64.35.28 2606:4700:58::a29f:2c1c 2803:f800:50::6ca2:c31c 2a06:98c1:50::ac40:231c	nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com nero.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.239	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.195.213	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	60s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.49.239
🔶 Autoconfig	172.67.195.213

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:c3d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:31ef	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.239,172.67.195.213 ech=AEX+DQBB+wAgACBnzCV/nKgOOJ17ds9vnRL9kehJR7odrnq10lDYEry0AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:c3d5,2606:4700:3037::6815:31ef

📝 TXT Records#

3 records 167ms

TXT Record
google-site-verification=h6JzEdmlVSXTJJ51xH799WUu56wpJ8Coy-ZyhpZrzTo
google-site-verification=OoHIA0sqyJEt_Jo-0M7gjP8k52oJGA4uz2-nkO2_mSk
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (skilltage.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.skilltage.dk)
p=quarantine	v=DMARC1; p=quarantine; fo=1; pct=100; rf=afrf; ri=86400; sp=quarantine; aspf=s; adkim=s; rua=mailto:janus@skilltage.dk; ruf=mailto:janus@skilltage.dk

📬 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 2026-10-08 12:47:08

www	104.21.49.239 172.67.195.213 2606:4700:3036::ac43:c3d5 2606:4700:3037::6815:31ef (AS13335) (address records, no CNAME)
www vs bare domain	Same network skilltage.dk: 104.21.49.239 172.67.195.213 2606:4700:3036::ac43:c3d5 2606:4700:3037::6815:31ef (AS13335) www.skilltage.dk: 104.21.49.239 172.67.195.213 2606:4700:3036::ac43:c3d5 2606:4700:3037::6815:31ef (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413826518
Primary NS (MNAME)	nero.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 07:38:27

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-08-07
Expires	2027-08-06 (291d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

34ms

31ms

AAAA

37ms

TXT

167ms

CAA

26ms

HTTPS

30ms

TLSA

104ms

SOA

0ms

MTA-STS

45ms

DNSSEC

97ms

SRV

70ms

Total

1099ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 07:25:43	1790ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 05:36:24	542ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 14:49:04	716ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 09:24:00 shown	1099ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 22:27:12	4690ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-11 21:12:39	8154ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 08:55:50	1343ms	2 NS 0 A 1 MX	🔓 Insecure