isetta.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.57.15.206 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by brianknudsen.dk. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.57.15.206 | 3600s | 87-57-15-206-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.57.0.0/16 | 🇩🇰 Denmark | Nørresundby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | brianknudsen.dk | 80.167.203.99 | 80-167-203-99-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 mx |
| Policy | Record (isetta.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 mx |
| www | 87.57.15.206 (AS3292) (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 |
DNS lookups: 1/10 · policy: none
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| 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 | 2003-06-10 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:48:52 | 1139ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:23:29 | 4587ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 17:55:53 | 849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 04:46:23 shown | 760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 02:36:04 | 694ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 13:15:36 | 2522ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 05:35:47 | 2647ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 08:03:10 | 1246ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 21:46:09 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:31:11 | 645ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:07:21 | 777ms | 2 NS 1 A 1 MX | 🔒 Secure |