expressnus.dk is a .dk domain served by 2 nameservers (ns01.no.brand.one.com, ns02.no.brand.one.com). It was registered on 21 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.37.39.71 is hosted by One.com A/S (AS51468) in Norway. Mail is handled by x.tornado.email, y.tornado.email and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 104.37.39.71 | 10800s | — | AS51468 | One.com A/S | 104.37.32.0/21 | 🇳🇴 Norway | Oslo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 42 | 10800s | x.tornado.email | 195.159.29.202 | x.tornado.email | AS2116 Globalconnect As |
| 42 | 10800s | y.tornado.email | 195.159.29.17 | y.tornado.email | AS2116 Globalconnect As |
| 42 | 10800s | z.tornado.email | 195.159.29.209 | z.tornado.email | AS2116 Globalconnect As |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.tornado.no → 104.37.39.71 |
| 🔶 Autoconfig | autoconfig.tornado.no → 104.37.39.71 |
| TXT Record |
|---|
| v=spf1 a include:tornado.email ?all |
| Policy | Record (expressnus.dk) |
|---|---|
| ?all (neutral) | v=spf1 a include:tornado.email ?all |
| www CNAME | expressnus.dk (all on expressnus.dk) → 104.37.39.71 (AS51468) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| Primary NS (MNAME) | ns01.no.brand.one.com |
| Responsible (RNAME) | hostmaster@no.brand.one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-03-21 |
| Expires | 2027-03-20 (153d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 11:33:38 shown | 2567ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 09:51:53 | 3499ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-13 06:39:26 | 2253ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-11 05:13:35 | 1917ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-10 04:37:31 | 550ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 18:54:50 | 721ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 18:50:33 | 3368ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-06 18:46:11 | 926ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-05 15:10:32 | 2471ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-04 15:09:07 | 617ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 15:04:38 | 2897ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 20:31:17 | 3334ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 20:27:21 | 920ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 20:25:23 | 1963ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 20:19:41 | 1132ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-28 20:13:55 | 2023ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 20:05:24 | 1668ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 19:51:48 | 1023ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 19:34:16 | 1147ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 19:15:41 | 1764ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 18:02:32 | 1812ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 12:06:05 | 1023ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 10:39:44 | 1834ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 07:53:49 | 790ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-31 18:33:59 | 774ms | 2 NS 1 A 3 MX | 🔓 Insecure |