bullermc.dk is a .dk domain served by 2 nameservers (harley.ns.cloudflare.com, sloan.ns.cloudflare.com). It was registered on 1 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (bullermc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve bullermc.dk: 104.21.45.102 172.67.213.35 2606:4700:3036::6815:2d66 2606:4700:3036::ac43:d523 (AS13335) (all like this)www.bullermc.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2412920154 |
| Primary NS (MNAME) | harley.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-02-01 |
| Expires | 2027-01-31 (97d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 17:22:01 | 835ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-09 12:56:55 | 1419ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-07 12:07:33 | 678ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-27 01:52:10 | 489ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:22:26 | 567ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 11:35:56 | 543ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:18:00 shown | 1217ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-24 03:00:39 | 10081ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-21 22:26:51 | 5366ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-07 12:37:34 | 860ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-25 01:30:19 | 914ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-24 01:10:25 | 1674ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:42:35 | 376ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:40:13 | 404ms | 2 NS 0 A 1 MX | 🔓 Insecure |