businessinstitute-executivemba.dk is a .dk domain served by 2 nameservers (igor.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 30 June 2026 (WHOIS) and first appeared in the .dk zone on 1 July 2026. Its website address 104.21.55.22 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.businessinstitute-executivemba.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.55.22 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.170.84 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.businessinstitute-executivemba.dk | 13.51.57.41 | mail.businessinstitute-executivemba.dk | AS16509 Amazon.com, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:aa54 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:3716 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.55.22,172.67.170.84 ech=AEX+DQBBNAAgACBYdKACxvn81xnyRs1HUnML4hiXeLoTM4UKfu3fG8P/WAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:aa54,2606:4700:3034::6815:3716 |
| TXT Record |
|---|
| v=spf1 a mx ip4:13.51.57.41 ~all |
| Policy | Record (businessinstitute-executivemba.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:13.51.57.41 ~all |
| Policy | Record (_dmarc.businessinstitute-executivemba.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 104.21.55.22 172.67.170.84 2606:4700:3033::ac43:aa54 2606:4700:3034::6815:3716 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network businessinstitute-executivemba.dk: 104.21.55.22 172.67.170.84 2606:4700:3033::ac43:aa54 2606:4700:3034::6815:3716 (AS13335) www.businessinstitute-executivemba.dk: 104.21.55.22 172.67.170.84 2606:4700:3033::ac43:aa54 2606:4700:3034::6815:3716 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 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 | 2415728801 |
| Primary NS (MNAME) | igor.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2026-06-30 |
| Expires | 2027-06-29 (246d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 04:07:38 shown | 617ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 05:09:27 | 672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 14:21:10 | 1244ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 14:01:51 | 561ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 12:14:52 | 529ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-29 07:11:16 | 579ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:12:43 | 2584ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-07 01:05:46 | 998ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-01 08:32:49 | 3259ms | 2 NS 0 A 0 MX | 🔓 Insecure |