josefine-o.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 91.102.90.81 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.twelveletter.com. 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 |
|---|---|---|---|---|---|---|---|
| 91.102.90.81 | 43200s | plesk01.solido.net | AS47292 | Sentia Denmark A/S | 91.102.88.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.twelveletter.com | 149.210.169.89 2a01:7c8:aaac:328::1 |
sigstop.twelveletter.com sigstop.twelveletter.com |
AS20857 Signet B.V. AS20857 Signet B.V. |
| TXT Record |
|---|
| v=spf1 a mx include:mail.twelveletter.com ~all |
| Policy | Record (josefine-o.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:mail.twelveletter.com ~all |
| www CNAME | josefine-o.dk (all on josefine-o.dk) → 91.102.90.81 (AS47292) |
| 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: 3/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| 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 |
|---|---|---|---|
| 2026-10-13 14:34:22 shown | 4748ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 06:30:36 | 1041ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 23:21:34 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 12:06:33 | 1024ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 06:28:01 | 3406ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 21:04:41 | 808ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 02:50:23 | 1582ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:06:23 | 795ms | 2 NS 1 A 1 MX | 🔒 Secure |