bsim.dk is a .dk domain served by 2 nameservers (aragorn.ns.cloudflare.com, julissa.ns.cloudflare.com). It was registered on 3 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.sbi.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| aragorn.ns.cloudflare.com | — | — | — |
| julissa.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.91.159 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.175.88 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.sbi.dk | 130.226.99.39 | h07.fkj12-gw.global.aalborguniversitet.dk | AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5b9f | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:af58 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.159,172.67.175.88 ech=AEX+DQBB6gAgACBAk7biNGguDhfElDNDlBhA4bndbZdx+H8iOS6FUr6nJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5b9f,2606:4700:3035::ac43:af58 |
| TXT Record |
|---|
| v=spf1 include:_spfhard.aau.dk -all |
| Policy | Record (bsim.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spfhard.aau.dk -all |
| www | 104.21.91.159 172.67.175.88 2606:4700:3030::ac43:af58 2606:4700:3035::6815:5b9f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2406704503 |
| Primary NS (MNAME) | aragorn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-07-03 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 17:22:50 | 1965ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 12:14:19 | 738ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 22:08:47 | 910ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-12 20:39:24 | 14850ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 12:44:22 | 1496ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-12 03:44:38 | 1689ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 08:51:16 | 2111ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 23:25:50 | 908ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 15:37:32 | 1053ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 10:34:53 | 936ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 16:25:16 | 1058ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 07:06:46 | 926ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 01:58:57 | 394ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 01:15:41 | 730ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:51:04 | 2792ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:45:44 | 1648ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:30:07 shown | 594ms | 2 NS 2 A 1 MX | 🔓 Insecure |