schacknet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.197.61.83 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by schacknet.dk, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.197.61.83 | 43200s | — | AS3292 | TDC Holding A/S | 80.196.0.0/14 | 🇩🇰 Denmark | Tommerup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | schacknet.dk | 80.197.61.83 | — | AS3292 TDC Holding A/S |
| 20 | 43200s | backup-mx.post.tele.dk | 80.160.77.99 | backup-mx1.post.tele.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | schacknet.dk → 80.197.61.83 |
| 🔶 Autoconfig | schacknet.dk → 80.197.61.83 |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.schacknet.dk | schacknet.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-09-20 |
| Expires | 2027-09-30 (340d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 17:16:48 shown | 1970ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 15:42:13 | 720ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 18:52:30 | 545ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 19:31:34 | 690ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 20:14:54 | 1253ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 15:27:40 | 4813ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 05:18:49 | 810ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 17:12:19 | 1110ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 23:22:51 | 1195ms | 2 NS 1 A 2 MX | 🔒 Secure |