conceptgulve.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.25.87.207 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by .. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 52.25.87.207 | 3600s | ec2-52-25-87-207.us-west-2.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 52.24.0.0/13 | 🇺🇸 United States | Boardman |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 52.25.87.207 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.conceptgulve.dk | PuAk0GsGNn95wPtny-kXOQRfpAYVBz9d8gBFPQal9_8 |
| TXT | _acme-challenge.conceptgulve.dk | Yai1q4VxqGJQCt9w-dN797T4A96076fd11KwSAx5z6Y |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092901 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2016-06-22 |
| Expires | 2031-06-30 (1713d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 04:33:46 shown | 912ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 03:15:19 | 597ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 00:29:02 | 1170ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-30 13:15:23 | 852ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 16:37:17 | 688ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-19 21:30:41 | 708ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 00:28:09 | 65535ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 22:19:53 | 2223ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 22:04:59 | 653ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 22:00:12 | 616ms | 2 NS 1 A 4 MX | 🔒 Secure |