ndl.dk is a .dk domain served by 2 nameservers (ns1.simpleagencygroup.dk, ns2.simpleagencygroup.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.251 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ndl-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 178.20.217.251 | 360s | vps2.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | ndl.dk → 178.20.217.251 |
| TXT Record |
|---|
| MS=ms31218881 |
| v=spf1 +a +mx +ip4:134.119.184.123 +ip4:138.201.239.158 +ip4:178.20.217.251 +ip4:88.99.200.20 include:spf.protection.outlook.com -all |
| Policy | Record (ndl.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:134.119.184.123 +ip4:138.201.239.158 +ip4:178.20.217.251 +ip4:88.99.200.20 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.ndl.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | ndl.dk (all on ndl.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025031701 |
| Primary NS (MNAME) | ns1.simpleagencygroup.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 23:53:54 | 929ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 21:30:20 | 1085ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 04:17:39 shown | 776ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 11:35:21 | 1168ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 07:01:01 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:34:48 | 2764ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 10:05:57 | 2709ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 16:45:58 | 838ms | 2 NS 1 A 1 MX | 🔒 Secure |