rtd.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.190.75 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by rtd-dk.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 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 |
|---|---|---|---|---|---|---|---|
| 217.195.190.75 | 120s | wp-srv02.net2web.dk | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | 217.195.190.75 |
| TXT Record |
|---|
| MS=ms23825251 |
| v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.smtp2go.com ~all |
| Policy | Record (rtd.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.smtp2go.com ~all |
| Policy | Record (_dmarc.rtd.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 217.195.190.75 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rtd-dk._domainkey.rtdanmark.onmicrosoft.com | RSA · ~1024 bit below 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: 7/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025070202 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:25:09 shown | 1082ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 13:39:08 | 780ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 23:40:34 | 1124ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:22:55 | 995ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:38:26 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:51:24 | 3333ms | 2 NS 1 A 1 MX | 🔒 Secure |