1and1ionos.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 (1and1ionos.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.1and1ionos.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 1and1ionos.dk: no address www.1and1ionos.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 |
|---|---|---|---|
| 2026-10-08 08:45:44 shown | 1068ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 00:58:02 | 9423ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 01:06:50 | 3119ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:52:18 | 998ms | 4 NS 0 A 0 MX | 🔓 Insecure |