dataexpert.dk is a .dk domain served by 3 nameservers (nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bit.org). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by dataexpert-dk.g-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.0.125 | 600s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::7d | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | 🇸🇦 Saudi Arabia | Riyadh |
| 2a06:98c1:58::7d | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:58:0:0:0:0:0/47 | 🇺🇸 United States | — |
| TXT Record |
|---|
| knowbe4-site-verification=e74c7960794771e3dcbd7eb065ea19e8 |
| MS=ms81969792 |
| v=spf1 include:spf.protection.outlook.com include:sendgrid.net ~all |
| Policy | Record (dataexpert.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:sendgrid.net ~all |
| Policy | Record (_dmarc.dataexpert.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:0tn65tw1@rua.eu.dmarcmanager.app; ruf=mailto:0tn65tw1@ruf.eu.dmarcmanager.app |
| www | 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dataexpert.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) www.dataexpert.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u4104179.wl180.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u4104179.wl180.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: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dataexpert-dk.g-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.dataexpert-dk.g-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.dataexpert-dk.g-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.dataexpert-dk.g-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026022402 |
| Primary NS (MNAME) | nsauth1.bit.nl |
| Responsible (RNAME) | hostmaster@bit.nl |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 23:36:23 shown | 600ms | 3 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 20:30:50 | 1552ms | 3 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-02 03:16:24 | 808ms | 3 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 23:03:44 | 834ms | 3 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 00:16:44 | 1115ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 01:58:26 | 65535ms | 3 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 01:05:43 | 788ms | 3 NS 2 A 1 MX | 🔒 Secure |