opena2.dk is a .dk domain served by 2 nameservers (molly.ns.cloudflare.com, rajeev.ns.cloudflare.com). It was registered on 24 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.228.154.79 is hosted by Amazon.com, Inc. (AS14618) 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 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 |
|---|---|---|---|---|---|---|---|
| 34.228.154.79 | 300s | ec2-34-228-154-79.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 34.224.0.0/12 | 🇺🇸 United States | Ashburn |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mydroneacademy.simplero.com → 34.228.154.79 |
| 🔶 Autoconfig | mydroneacademy.simplero.com → 34.228.154.79 |
| www CNAME | mydroneacademy.simplero.com (all on simplero.com) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.opena2.dk | mydroneacademy.simplero.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417074919 |
| Primary NS (MNAME) | molly.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-11-24 |
| Expires | 2026-11-30 (37d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 23:08:52 shown | 553ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 09:01:13 | 2117ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 23:24:45 | 586ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 18:41:48 | 809ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 11:51:58 | 6275ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-11 01:48:07 | 1548ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-03 23:16:43 | 559ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 02:32:31 | 602ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 22:07:34 | 9411ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 17:25:25 | 1062ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-19 18:04:14 | 1048ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 18:30:12 | 919ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 22:35:44 | 900ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 18:36:08 | 3442ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 11:57:33 | 997ms | 2 NS 1 A 0 MX | 🔒 Secure |