teachback.dk is a .dk domain served by 2 nameservers (ns1.loopia.se, ns2.loopia.se). It was registered on 4 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 194.9.94.85 | — | — | AS39570 | — | — | — | — |
| 194.9.94.86 | — | — | AS39570 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.9.94.85 |
| 🔶 Autoconfig | 194.9.94.86 |
| www | 194.9.94.85 194.9.94.86 (AS39570) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1781136000 |
| Primary NS (MNAME) | ns1.loopia.se |
| Responsible (RNAME) | registry@loopia.se |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2025-08-04 |
| Expires | 2027-08-03 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 01:05:04 | 681ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-09 13:18:49 | 1011ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-08 12:04:22 | 759ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 08:38:19 | 9529ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 00:45:13 | 588ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 12:04:30 | 725ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 21:10:40 | 838ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-13 08:38:31 | 2449ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 01:24:56 | 864ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-05 19:15:23 | 779ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 01:08:03 | 1020ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 10:19:44 | 835ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 12:03:01 | 2086ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-14 00:33:49 | 918ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-06 09:40:05 | 887ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-30 14:20:15 | 912ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-23 09:52:46 | 751ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-16 14:22:15 | 932ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-11 00:48:53 | 734ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-03 18:54:22 | 814ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 22:17:54 | 728ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 18:28:49 | 1239ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 06:47:28 | 747ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 14:34:43 | 664ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 21:38:07 shown | 811ms | 2 NS 2 A 0 MX | 🔓 Insecure |