bisnet.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, brad.ns.cloudflare.com). It first appeared in the .dk zone on 2 July 2026. Its website address 104.21.51.89 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bisnet-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.51.89 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.251 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:3359 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:b1fb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.51.89,172.67.177.251 ech=AEX+DQBBOAAgACAURtwpW2f7/TxDLKDkGSg2CER8INoL5uljh07SLlaeKwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3359,2606:4700:3033::ac43:b1fb |
| TXT Record |
|---|
| MS=ms19970974 |
| v=spf1 ip4:145.255.59.54 ip4:188.166.9.195 include:spf.protection.outlook.com ~all |
| Policy | Record (bisnet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:145.255.59.54 ip4:188.166.9.195 include:spf.protection.outlook.com ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve bisnet.dk: 104.21.51.89 172.67.177.251 2606:4700:3032::6815:3359 2606:4700:3033::ac43:b1fb (AS13335) (all like this)www.bisnet.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-bisnet-dk._domainkey.bisnet726.y-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-bisnet-dk._domainkey.bisnet726.y-v1.dkim.mail.microsoft | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · 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 | 2415774437 |
| Primary NS (MNAME) | abby.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 03:14:36 shown | 1275ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 21:53:45 | 1410ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 23:03:51 | 2653ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-31 09:36:18 | 1468ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-30 07:57:33 | 1403ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-24 22:55:21 | 9550ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-07 05:48:22 | 1815ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-01 21:59:10 | 9990ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-25 08:28:46 | 2140ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-24 08:07:03 | 11172ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-22 01:42:59 | 1171ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-20 19:24:18 | 1788ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-10 12:43:35 | 3440ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-02 09:09:19 | 1636ms | 2 NS 0 A 2 MX | 🔓 Insecure |