rejsby17.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 17 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.201.116.157 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by rejsby17-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 |
|---|---|---|---|---|---|---|---|
| 138.201.116.157 | 600s | static.157.116.201.138.clients.your-server.de | AS24940 | Hetzner Online GmbH | 138.201.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.157.40 |
| 🔶 Autoconfig | rejsby17.dk → 138.201.116.157 |
| TXT Record |
|---|
| MS=ms32585201 |
| v=spf1 ip6:2a01:4f8:c013:2823::1/64 ip4:138.201.116.157 include:spf.protection.outlook.com -all |
| Policy | Record (rejsby17.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip6:2a01:4f8:c013:2823::1/64 ip4:138.201.116.157 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.rejsby17.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www CNAME | rejsby17.dk (all on rejsby17.dk) |
| 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 |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rejsby17.dk | rejsby17.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024080204 |
| 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 | 2024-06-17 |
| Expires | 2027-06-16 (234d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 109.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:56:16 | 1425ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 09:33:02 | 1103ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 05:54:18 | 1209ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 05:43:16 | 1444ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:28:29 | 3247ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:20:43 | 1570ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 06:29:43 | 914ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 15:02:11 | 814ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:59:34 shown | 853ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 13:00:37 | 1285ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:37:23 | 1258ms | 3 NS 1 A 1 MX | 🔒 Secure |