rexskov.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.148 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rexskov-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 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.148 | 3600s | linux135.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 94.231.103.148 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=u5S5IkkIhiTiMGW5udHE7wlpXahdedRot-V_iOKdUNQ |
| mandrill_verify.OeOQpuADxKX4jO1Z-4AsLA |
| selector1-rexskovdk-onmicrosoft-com._domainkey |
| v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all |
| Policy | Record (rexskov.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all |
| Policy | Record (_dmarc.rexskov.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 94.231.103.148 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rexskov-dk._domainkey.rexskovdk.onmicrosoft.com | 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: 3/10 · 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 | 2025072801 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-03-06 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 19:13:07 | 1031ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 18:06:23 | 1271ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 16:48:08 shown | 1685ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 20:55:53 | 1443ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:24:46 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 12:46:24 | 1315ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 00:17:42 | 1136ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 21:12:00 | 768ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-20 18:38:53 | 1255ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:44:25 | 12891ms | 4 NS 1 A 1 MX | 🔒 Secure |