rs-rent.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.65 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rsrent-dk0e.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.65 | 300s | linux20.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | 185.21.40.65 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:87.116.4.44 ip4:152.115.160.102 ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:40.114.248.133 include:spf.protection.outlook.com include:spf.symprex.net -all |
| Policy | Record (rs-rent.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.116.4.44 ip4:152.115.160.102 ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:40.114.248.133 include:spf.protection.outlook.com include:spf.symprex.net -all |
| www | 185.21.40.65 (AS48854) (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 |
DNS lookups: 2/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:59:08 shown | 916ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 16:37:33 | 969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 00:09:16 | 1217ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 17:11:57 | 1335ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:02:54 | 1309ms | 2 NS 1 A 1 MX | 🔒 Secure |