secuuru.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.248.44.28 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mail.bsecure.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.248.44.28 | 3600s | www.infosecworrier.dk | AS14061 | DigitalOcean, LLC | 104.248.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.bsecure.dk | 161.35.201.194 2a03:b0c0:3:d0::16bc:2001 2a03:b0c0:3:d0::16bc:2002 |
mail.bsecure.dk mail.bsecure.dk — |
AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.bsecure.dk → 161.35.201.194 |
| 🔶 Autoconfig | mail.bsecure.dk → 161.35.201.194 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a03:b0c0:3:d0::8c6:f001 | 3600s | www.infosecworrier.dk | AS14061 | DigitalOcean, LLC | 2a03:b0c0:0:0:0:0:0:0/46 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| v=spf1 mx a:mail.bsecure.dk -all |
| Policy | Record (secuuru.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.bsecure.dk -all |
| Policy | Record (_dmarc.secuuru.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc-rpt@bollers.dk; ruf=mailto:dmarc-rpt@bollers.dk; fo=1; aspf=s; adkim=s |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20250125231500 |
| max_age | 86400s |
| Policy MX | mail.bsecure.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:dmarc-rpt@bollers.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 104.248.44.28 2a03:b0c0:3:d0::8c6:f001 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network secuuru.dk: 104.248.44.28 2a03:b0c0:3:d0::8c6:f001 (AS14061) www.secuuru.dk: 104.248.44.28 2a03:b0c0:3:d0::8c6:f001 (AS14061) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.bsecure.dk | DANE-EE · SPKI · SHA-256 | CED8EAAC1EA87AF1EFD67EB44F68C432… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025020800 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-10-23 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 01:23:31 | 2487ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 13:09:25 | 651ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 12:34:55 shown | 640ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 11:34:52 | 1941ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 05:52:50 | 1024ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 07:32:31 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 19:03:10 | 1577ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:36:36 | 1966ms | 4 NS 1 A 1 MX | 🔒 Secure |