securityuserexpo.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, frank.ns.cloudflare.com). It was registered on 21 August 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.armedia.se. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.43.198 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.184.174 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.armedia.se | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBwAAgACBcatv0vcdu5GkpvPstOSLsHt4RtzmMTrUkgy4nfjAxUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| www | 104.21.43.198 172.67.184.174 2606:4700:3030::ac43:b8ae 2606:4700:3035::6815:2bc6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network securityuserexpo.dk: 104.21.43.198 172.67.184.174 2606:4700:3030::ac43:b8ae 2606:4700:3035::6815:2bc6 (AS13335) www.securityuserexpo.dk: 104.21.43.198 172.67.184.174 2606:4700:3030::ac43:b8ae 2606:4700:3035::6815:2bc6 (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.securityuserexpo.dk | QYdlUqwLB3ZvDXd_M1YWmEI6lpr90GYnvyOCG8ndjJo |
| TXT | _acme-challenge.securityuserexpo.dk | keamD_TBkuwoeQiHGT5KcE6JrdMHETLhhIiXXhORrV4 |
| 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 | 2407416231 |
| Primary NS (MNAME) | betty.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2013-08-21 |
| Expires | 2027-08-31 (316d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 00:55:49 | 604ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 19:28:34 | 1418ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:08:34 | 588ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:53:31 | 607ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 20:10:56 | 1656ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-07 14:35:26 | 4035ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 13:28:47 | 1281ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:07:52 | 1507ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 13:48:55 | 845ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 17:54:46 shown | 554ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 04:49:10 | 677ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:17:11 | 2176ms | 2 NS 2 A 1 MX | 🔓 Insecure |