osnova.dk is a .dk domain served by 2 nameservers (bryce.ns.cloudflare.com, ursula.ns.cloudflare.com). It was registered on 5 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.206 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by osnova-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.65.206 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.192.56 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.65.206 |
| 🔶 Autoconfig | 104.21.65.206 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:41ce | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:c038 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.65.206,172.67.192.56 ech=AEX+DQBBeQAgACDa54LTUwndqlIQMLIFxhmOAwxAamUkZM5x4k98EScBfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:41ce,2606:4700:3036::ac43:c038 |
| TXT Record |
|---|
| google-site-verification=SYLebAK1nMAhOienR7eT4hVApOyfC5hswS8eb8_iOwg |
| google-site-verification=ty2EODCydlJltHT_9hsP8EbhOe3AtHGyu4zxWVNTQ_Y |
| MS=ms19925366 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (osnova.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.osnova.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:info@osnova.dk; |
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Different networks osnova.dk: 104.21.65.206 172.67.192.56 2606:4700:3031::6815:41ce 2606:4700:3036::ac43:c038 (AS13335) (all like this)www.osnova.dk: 142.251.14.121 2a00:1450:4001:c15::79 (AS15169) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2415572201 |
| Primary NS (MNAME) | bryce.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 | 2026-04-05 |
| Expires | 2027-04-04 (162d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 05:05:55 | 3977ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 18:29:37 | 1605ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 18:07:09 | 781ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:02:51 shown | 1419ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 04:58:21 | 10500ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-12 13:01:01 | 5410ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 08:29:03 | 2476ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 03:08:11 | 1750ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 19:17:47 | 624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:59:36 | 3095ms | 2 NS 2 A 1 MX | 🔓 Insecure |