nettutor.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It first appeared in the .dk zone on 14 July 2026. Its website address 166.117.120.15 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 166.117.120.15 | 3600s | a3cf8ee3c29cadf90.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 166.117.0.0/16 | 🇺🇸 United States | — |
| www CNAME | global-v1.loadweb.com (all on loadweb.com) |
| www vs bare domain | Same network |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071601 |
| 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 |
|---|---|---|---|
| 2026-10-09 14:02:47 | 745ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 09:46:43 shown | 459ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 13:21:02 | 615ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 11:11:06 | 419ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 22:47:04 | 618ms | 2 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-14 08:37:11 | 572ms | 2 NS 1 A 0 MX | 🔒 Secure |