delau.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp1.de-la.dk, smtp2.de-la.dk and 1 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|
| 10 | 3600s | smtp1.de-la.dk | 87.104.249.230 | mail.de-la.dk | AS204151 EWII Bredbaand A/S |
| 20 | 3600s | smtp2.de-la.dk | 87.104.249.230 | mail.de-la.dk | AS204151 EWII Bredbaand A/S |
| 30 | 3600s | smtp3.de-la.dk | 87.104.249.230 | mail.de-la.dk | AS204151 EWII Bredbaand A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (delau.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.delau.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; ri=3600; rua=mailto:dmarc.reports@de-la.dk; ruf=mailto:dmarc.forensics@de-la.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves delau.dk: no address www.delau.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100701 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 04:17:41 shown | 442ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-25 20:43:59 | 499ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-25 00:05:41 | 2745ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-23 23:09:38 | 862ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-17 01:35:26 | 571ms | 2 NS 0 A 3 MX | 🔒 Secure |