guldopkøb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is DNSSEC-signed and validates, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (guldopkøb.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.guldopkøb.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.215.195 2a02:2350:5:108:1d:2e15:3a64:c07f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network guldopkøb.dk: 46.30.215.195 2a02:2350:5:108:1d:2e15:3a64:c07f (AS51468) www.guldopkøb.dk: 46.30.215.195 2a02:2350:5:108:1d:2e15:3a64:c07f (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-04-08 |
| Expires | 2027-04-07 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 21:25:09 | 3981ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-13 13:45:54 | 513ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 16:40:14 | 549ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 20:49:29 | 778ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 19:31:45 | 668ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-16 10:04:27 | 900ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-29 15:13:15 | 1619ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 10:42:47 | 630ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 09:32:18 | 893ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 07:05:07 | 1154ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-14 08:57:25 | 8992ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 20:00:14 | 661ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 17:57:15 | 675ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 21:15:19 shown | 5808ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 10:05:17 | 5076ms | 2 NS 0 A 0 MX | 🔒 Secure |