ionos-online.dk is a .dk domain served by 4 nameservers (ns-ionos.ui-dns.biz, ns-ionos.ui-dns.com, ns-ionos.ui-dns.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is not DNSSEC-signed, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 86400s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (ionos-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.ionos-online.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@abuse.ionos.com; ruf=mailto:dmarc@abuse.ionos.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves ionos-online.dk: no address www.ionos-online.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022042101 |
| Primary NS (MNAME) | ns-ionos.ui-dns.com |
| Responsible (RNAME) | dnsadmin@ionos.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 605000s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-12 15:55:06 shown | 671ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-28 04:07:48 | 952ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 20:51:20 | 1602ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 11:16:26 | 2090ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 15:48:40 | 781ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:37:52 | 3808ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:39:22 | 1154ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:41:16 | 4055ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:58:08 | 2789ms | 4 NS 0 A 0 MX | 🔓 Insecure |