royalrejser.dk is a .dk domain served by 2 nameservers (ns1.exsilia.net, ns2.exsilia.net). It was registered on 7 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.137.145.144 is hosted by Duocast B.V. (AS31477) in The Netherlands. Mail is handled by mail.royalrejser.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 83.137.145.144 | 86400s | octaaf.exsilia.net | AS31477 | Duocast B.V. | 83.137.144.0/21 | 🇳🇱 The Netherlands | Zwolle |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.royalrejser.dk | 2a01:1b0:7999:402::144 83.137.145.144 |
octaaf.exsilia.net octaaf.exsilia.net |
AS31477 Duocast B.V. AS31477 Duocast B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 83.137.145.144 |
| 🔶 Autoconfig | 83.137.145.144 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:1b0:7999:402::144 | 86400s | octaaf.exsilia.net | AS31477 | Duocast B.V. | 2a01:1b0:0:0:0:0:0:0/33 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 include:_spf.exsilia.net include:_spf.google.com +a +mx ~all |
| Policy | Record (royalrejser.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.exsilia.net include:_spf.google.com +a +mx ~all |
| Policy | Record (_dmarc.royalrejser.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | royalrejser.dk (all on royalrejser.dk) |
| www vs bare domain | Same network royalrejser.dk: 83.137.145.144 2a01:1b0:7999:402::144 (AS31477) www.royalrejser.dk: 83.137.145.144 2a01:1b0:7999:402::144 (AS31477) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 2-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u1838831.wl082.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1838831.wl082.sendgrid.net | 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: 4/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025060640 |
| Primary NS (MNAME) | ns2.exsilia.net |
| Responsible (RNAME) | r\@broersma.exsilia.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-11-07 |
| Expires | 2026-11-30 (43d) |
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 154.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 04:14:13 shown | 2439ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-17 03:43:12 | 1855ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 02:51:31 | 2751ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-14 21:56:27 | 723ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-13 21:50:08 | 790ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-12 20:41:29 | 753ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 20:30:48 | 3979ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-10 19:41:15 | 898ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:34:58 | 2510ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 13:25:07 | 1722ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 13:17:09 | 1422ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 09:11:56 | 3703ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 08:00:22 | 896ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 07:48:43 | 692ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 07:44:41 | 1423ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 07:41:18 | 988ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 07:37:47 | 1253ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 07:28:04 | 2589ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:23:41 | 2245ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 07:08:38 | 1212ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 07:02:18 | 2232ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 06:47:02 | 1386ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 06:36:26 | 2830ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 06:17:46 | 1779ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:59:47 | 1002ms | 2 NS 1 A 1 MX | 🔓 Insecure |