experto.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.130 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by experto-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.130 | 3600s | webcluster3.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:11:cfe3:3f88:c71e | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (experto.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 77.111.240.130 2a02:2350:5:102:11:cfe3:3f88:c71e (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network experto.dk: 77.111.240.130 2a02:2350:5:102:11:cfe3:3f88:c71e (AS51468) www.experto.dk: 77.111.240.130 2a02:2350:5:102:11:cfe3:3f88:c71e (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · 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 | 2026101601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-03-01 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 11:18:16 shown | 1343ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:51:33 | 1214ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 06:19:10 | 1520ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 21:39:00 | 1212ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 21:53:05 | 1905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 17:11:18 | 1875ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 00:57:13 | 1760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 00:09:41 | 1107ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 07:58:00 | 1572ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 03:00:19 | 8632ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 20:07:49 | 4262ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:09:25 | 1661ms | 2 NS 1 A 1 MX | 🔒 Secure |