rationel.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 5 July 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.65.202.43 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by rationel-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 |
|---|---|---|---|---|---|---|---|
| 159.65.202.43 | 600s | — | AS14061 | DigitalOcean, LLC | 159.65.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=_KVfmx9hhvWMvhdxU6xZ3A2aLT1-7OgCUXJLRjPXWt |
| facebook-domain-verification=5uxh1jtu0erre87mf60ddlelkg1pym |
| GLvQqRjNZlgqIkiStvjH/iGB8poyZYQ31fPOLKPIwcls53jHqv3dSEn5D/QyvUYOu3Jb2lB0TJqrpm4TyEGQPQ== |
| google-site-verification=KTW82MQkxUEXgMPiH90hyH2FtgJHFkQbP8CIqv2QPjA |
| Hello TRUSTZONE - CEOV1406177734 |
| MS=ms89550697 |
| v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.mandrillapp.com include:_spf.vaimo.net ip4:92.62.202.74 ip4:92.62.202.75 a:massmail.scannet.dk -all |
| XEOsyZd02ZtEjE3xRGFw0rsRDCmMYTfwnhLTEeNxnpGjri0CWBPlkI0Ti4zfE9rDg0D87COMQyPk8Nrq4NZZVw== |
| Policy | Record (rationel.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.mandrillapp.com include:_spf.vaimo.net ip4:92.62.202.74 ip4:92.62.202.75 a:massmail.scannet.dk -all |
| Policy | Record (_dmarc.rationel.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65bcede95236c@dmarc-dk.centerasecurity.com; |
| www | 159.65.202.43 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u15425250.wl001.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u15425250.wl001.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-rationel-dk._domainkey.dovista.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: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2013112468 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 86400s |
| Retry | 86400s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1996-07-05 |
| Expires | 2027-09-30 (340d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 15:24:32 | 2979ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 08:33:41 | 2285ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 02:53:33 | 1466ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 16:48:02 | 1725ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:34:29 | 1404ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 15:39:12 | 1533ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 15:13:50 | 901ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 14:59:01 | 1323ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 13:27:15 | 1188ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 18:19:59 | 1309ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 09:20:18 | 1145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:27:21 | 1150ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 03:21:53 | 1464ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 21:58:20 | 2557ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 20:29:52 | 1888ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 02:12:56 shown | 6736ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 01:08:59 | 4267ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 03:52:41 | 1054ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 02:50:28 | 1232ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 17:12:20 | 1037ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 16:24:33 | 1059ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 22:54:52 | 1018ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 12:01:55 | 1584ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 14:04:35 | 1022ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 23:06:28 | 1953ms | 2 NS 1 A 1 MX | 🔒 Secure |