tbak.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.99.73.111 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by tbak-dk.mail.protection.outlook.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.99.73.111 | 1800s | wps01.wpdo.dk | AS24940 | Hetzner Online GmbH | 91.98.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| bw=hrwdPpy0AEiCKDYHoAXf19ywAXSOcL8btFCZNzVVeTh6 |
| mscid=W8/+ja40VzDZ9J3w4k+vU/6/wRNOMlkM0WXmoCs+qaeBdbPWd0AtkYLUUx9NNiFi18SZm/mKyyvl8vJAa1mBYA== |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tbak.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | tbak.dk (all on tbak.dk) → 91.99.73.111 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tbak-dk._domainkey.vibx.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-tbak-dk._domainkey.vibx.onmicrosoft.com | 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 | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:19:52 | 1086ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:38:28 | 1587ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 02:34:11 | 918ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 09:04:21 | 893ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 23:43:04 | 858ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 12:11:19 | 5802ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 17:49:51 | 4165ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:28:44 shown | 882ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:54:22 | 979ms | 4 NS 1 A 1 MX | 🔓 Insecure |