tirsdag.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.5.39.153 is hosted by Bo data ApS (AS49974) in Denmark. Mail is handled by ispconfig.eero.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 |
|---|---|---|---|---|---|---|---|
| 213.5.39.153 | 600s | ispconfig.eero.dk | AS49974 | Bo data ApS | 213.5.32.0/21 | 🇩🇰 Denmark | Vildbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | ispconfig.eero.dk | 213.5.39.153 | ispconfig.eero.dk | AS49974 Bo data ApS |
| www | 213.5.39.153 (AS49974) (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-03 21:04:39 | 397ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 05:16:10 | 576ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:06:47 shown | 951ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 21:59:35 | 14652ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:40:04 | 979ms | 2 NS 1 A 1 MX | 🔒 Secure |