testgruppen.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It first appeared in the .dk zone on 25 July 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by sentido.dotserv.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 216.198.79.1 | 14400s | — | AS16509 | Amazon.com, Inc. | 216.198.79.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | sentido.dotserv.com | 178.20.216.204 | sentido.dotserv.com | AS21060 Atea A/S |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (testgruppen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dotserv.com -all |
| www CNAME | 45c51d263f02e74d.vercel-dns-017.com (all on vercel-dns-017.com) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072406 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 1800s |
| Retry | 300s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-05 14:12:58 shown | 715ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 08:57:36 | 781ms | 4 NS 1 A 1 MX | 🔓 Insecure |