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.
| 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 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.195.213 |
| 🔶 Autoconfig | 104.21.49.239 |
| 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 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.49.239,172.67.195.213 ech=AEX+DQBB/wAgACAj8q7MWDQP7Ivd04Bdiof5uGPJmpXhw51KpzejfcSnVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:c3d5,2606:4700:3037::6815:31ef |
| TXT Record |
|---|
| google-site-verification=h6JzEdmlVSXTJJ51xH799WUu56wpJ8Coy-ZyhpZrzTo |
| google-site-verification=OoHIA0sqyJEt_Jo-0M7gjP8k52oJGA4uz2-nkO2_mSk |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (skilltage.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| 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 |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| — | 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.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| 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 |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-08-07 |
| Expires | 2027-08-06 (291d) |
| 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 shown | 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 | 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 |