bollers.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 4 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| 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 |
|---|
| abuseipdb-verification=J21ku39z |
| v=spf1 mx a:mail.bsecure.dk -all |
| Policy | Record (bollers.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.bsecure.dk -all |
| Policy | Record (_dmarc.bollers.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 | 20250120T180000 |
| max_age | 3528000s |
| 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 bollers.dk: 2a03:b0c0:3:d0::8c6:f001 (AS14061) www.bollers.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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026071000 |
| 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 | Simply.com A/S |
| Registered | 2002-02-04 |
| Expires | 2027-03-31 (165d) |
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).
| Domain | Registrar |
|---|---|
| martinboller.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:33:50 | 2861ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 22:28:55 | 457ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 10:46:37 | 2172ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 10:00:40 | 645ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-10 19:22:58 shown | 1692ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 06:58:45 | 2510ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 02:38:34 | 1843ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 01:42:25 | 866ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 15:45:39 | 725ms | 4 NS 0 A 1 MX | 🔒 Secure |