studieheld.dk is a .dk domain served by 2 nameservers (ns1.wedohosting.dk, ns2.wedohosting.dk). Its website address 162.159.143.30 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.wedohosting.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.wedohosting.dk | 77.247.73.93 | mail.wedohosting.dk | AS31590 Rackhosting.com ApS |
| ns2.wedohosting.dk | 77.247.73.93 | mail.wedohosting.dk | AS31590 Rackhosting.com ApS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.143.30 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| 172.66.3.26 | 3600s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.wedohosting.dk | 77.247.73.93 77.247.73.93 |
mail.wedohosting.dk web01.wedohosting.dk |
AS31590 Rackhosting.com ApS AS31590 Rackhosting.com ApS |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | mail.wedohosting.dk |
| TXT Record |
|---|
| v=spf1 +a +mx +a:web01.wedohosting.dk -all |
| Policy | Record (studieheld.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +a:web01.wedohosting.dk -all |
| Policy | Record (_dmarc.studieheld.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092121 |
| Primary NS (MNAME) | ns1.wedohosting.dk |
| Responsible (RNAME) | webmaster@wedohosting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 18:03:43 | 907ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 17:53:33 | 672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 17:07:04 | 984ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 16:39:30 shown | 575ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 09:25:59 | 1140ms | 2 NS 2 A 1 MX | 🔓 Insecure |