computerworld.dk is a .dk domain served by 4 nameservers (ns.locuples.com, ns2.locuples.com, ns3.wwi.as and 1 more). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.43.123.120 is hosted by Itm8 A/S (AS44398) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 92.43.123.120 | 900s | — | AS44398 | Itm8 A/S | 92.43.120.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 92.43.123.120 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:2010:b:20::40 | 900s | — | AS3308 | Norlys Telco A/S | 2001:2010:0:0:0:0:0:0/31 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms34890398 |
| v=spf1 mx include:sendgrid.net include:spf.protection.outlook.com ip4:92.43.123.123 include:_spf.online.superoffice.com include:_spf.centerasecurity.dk ~all |
| Policy | Record (computerworld.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:sendgrid.net include:spf.protection.outlook.com ip4:92.43.123.123 include:_spf.online.superoffice.com include:_spf.centerasecurity.dk ~all |
| Policy | Record (_dmarc.computerworld.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:uj02jl9e@ag.eu.dmarcadvisor.com; ruf=mailto:uj02jl9e@fr.eu.dmarcadvisor.com; |
| www | 92.43.123.120 2001:2010:b:20::40 (AS3308 AS44398) (address records, no CNAME) |
| www vs bare domain | Same network computerworld.dk: 92.43.123.120 2001:2010:b:20::40 (AS3308 AS44398) www.computerworld.dk: 92.43.123.120 2001:2010:b:20::40 (AS3308 AS44398) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u3256132.wl133.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u3256132.wl133.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: 7/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2009010798 |
| Primary NS (MNAME) | ns10.dnsmadeeasy.com |
| Responsible (RNAME) | dns@dnsmadeeasy.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 1996-04-23 |
| Expires | 2027-06-30 (254d) |
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 |
|---|---|---|---|
| 2026-10-18 19:17:52 | 2663ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-06 05:06:06 | 3737ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 04:42:46 | 2503ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 04:38:00 | 2488ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 04:26:42 | 1005ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 01:13:01 | 1843ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-26 00:43:44 | 1300ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-21 22:36:13 | 3020ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-15 17:13:59 | 2228ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 14:26:18 | 2499ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-01 09:26:24 | 1786ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 04:19:48 shown | 1174ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-20 10:42:37 | 3151ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-19 06:18:59 | 1807ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-18 01:35:37 | 5672ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-16 22:04:31 | 2171ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 06:37:00 | 4207ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-09 02:52:15 | 3800ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-04 00:06:17 | 2099ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-25 13:32:50 | 1412ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-20 02:07:11 | 10384ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-18 20:57:13 | 11540ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-17 15:45:05 | 2864ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-14 14:24:04 | 1626ms | 4 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-13 08:08:26 | 9313ms | 4 NS 1 A 3 MX | 🔒 Secure |