gyldstrand.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.13 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ispc3.dotserv.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.13 | 3600s | ispc3.dotserv.com | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | ispc3.dotserv.com | 178.20.216.13 | ispc3.dotserv.com | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.gyldstrand.dk → 178.20.216.13 |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (gyldstrand.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (_dmarc.gyldstrand.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 178.20.216.13 (AS21060) (address records, no CNAME) |
| 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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1284624760 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:25:12 shown | 571ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:21:02 | 796ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:49:23 | 594ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 07:11:12 | 727ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 06:29:21 | 668ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 17:57:02 | 942ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 09:34:11 | 2032ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:48:59 | 682ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:48:39 | 672ms | 4 NS 1 A 1 MX | 🔓 Insecure |