rønn.dk is a .dk domain served by 3 nameservers (ns.d4es.dk, ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.138.54 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.d4es.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 81.7.138.54 | 3600s | — | AS47292 | Sentia Denmark A/S | 81.7.136.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.d4es.dk | 81.7.138.35 | mail.d4.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (rønn.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www CNAME | xn--rnn-0na.dk (all on xn--rnn-0na.dk) → 81.7.138.54 (AS47292) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'r\195\184nn.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2017081715 |
| Primary NS (MNAME) | ns.d4es.dk |
| Responsible (RNAME) | hostmaster@d4.dk |
| Refresh | 1200s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-24 01:39:30 | 16177ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:04:00 shown | 923ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-23 09:01:09 | 522ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:37:19 | 905ms | 3 NS 1 A 1 MX | 🔒 Secure |