mathnasium.dk is a .dk domain served by 3 nameservers (ns1.101domain.com, ns2.101domain.com, ns5.101domain.com). It was registered on 7 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.96.23.237 is hosted by Amazon.com, Inc. (AS16509) in Canada. 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 |
|---|---|---|---|---|---|---|---|
| 3.96.23.237 | 43200s | ec2-3-96-23-237.ca-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 3.96.0.0/11 | 🇨🇦 Canada | Montreal |
| www | 3.96.23.237 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2018040605 |
| Primary NS (MNAME) | ns1.101domain.com |
| Responsible (RNAME) | ADMIN@mathnasium.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | 101domain GRS Limited |
| Registered | 2018-04-07 |
| Expires | 2027-04-30 (186d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 03:39:06 | 2666ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 03:10:09 | 1200ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 01:33:04 shown | 1130ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:59:20 | 825ms | 3 NS 1 A 0 MX | 🔓 Insecure |