ro-udvikling.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, emely.ns.cloudflare.com). It was registered on 22 July 2026 (WHOIS) and first appeared in the .dk zone on 23 July 2026. Mail is handled by roudvikling-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms82145773 |
| v=spf1 a mx include:spf.protection.outlook.com include:spf.postal.ro-udvikling.dk -all |
| Policy | Record (ro-udvikling.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.protection.outlook.com include:spf.postal.ro-udvikling.dk -all |
| Policy | Record (_dmarc.ro-udvikling.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:8a2a015f076f4fa8a013bce332f0017b@dmarc-reports.cloudflare.net |
| www | 104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network ro-udvikling.dk: 104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335) www.ro-udvikling.dk: 104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-roudvikling-dk0e._domainkey.roudvikling.y-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-roudvikling-dk0e._domainkey.roudvikling.y-v1.dkim.mail.microsoft | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2412294002 |
| Primary NS (MNAME) | amir.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2026-07-22 |
| Expires | 2027-07-21 (271d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 03:39:46 | 2918ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-03 10:20:00 | 1102ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-02 10:19:39 | 1117ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 13:56:55 | 879ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-28 04:06:22 | 875ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-22 03:57:58 | 1043ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-20 10:10:29 | 2578ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-13 08:12:28 | 2745ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-12 08:51:43 | 1899ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-16 16:24:33 shown | 5949ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 23:08:44 | 1814ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 13:44:25 | 1974ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-06 19:41:43 | 9297ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-24 09:21:48 | 2432ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-23 08:47:15 | 2205ms | 2 NS 0 A 0 MX | 🔒 Secure |