omb.dk is a .dk domain served by 2 nameservers (elsa.ns.cloudflare.com, roan.ns.cloudflare.com). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.202 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by omb-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.49.202 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.167.23 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:a717 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:31ca | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.49.202,172.67.167.23 ech=AEX+DQBBHwAgACB+MkwD+NmauSe6vhs63AhQMeGmgNqu1mzL5vYZvT0uRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a717,2606:4700:3036::6815:31ca |
| TXT Record |
|---|
| MS=ms67254703 |
| NisExuFEo5pyHmjnoNtuLkEjyGRqg5rH76lhFZZQ/aFIXw/ZU1YHWv5tE2bCQxRjSO+brkhC6DA8QNL392SzeQ== |
| v=spf1 include:spf.zitcom.dk include:customerspf.sitecore.net include:spf.protection.outlook.com -all |
| Policy | Record (omb.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.zitcom.dk include:customerspf.sitecore.net include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.omb.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:633c00dc7e5f7@dmarc.centerasecurity.com; ruf=mailto:dmarcforensics@nc.dk; fo=1; |
| www | 104.21.49.202 172.67.167.23 2606:4700:3035::ac43:a717 2606:4700:3036::6815:31ca (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-omb-dk._domainkey.ncgdk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-omb-dk._domainkey.ncgdk.onmicrosoft.com | RSA · ~1024 bit below 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: 6/10 · 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 | 2416656755 |
| Primary NS (MNAME) | elsa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1997-02-12 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 00:38:33 shown | 1356ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:11:17 | 1329ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 06:30:51 | 1810ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:12:44 | 1256ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 10:29:48 | 2795ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 20:09:29 | 1274ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 17:29:09 | 2362ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 20:48:24 | 2024ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 15:50:09 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:41:46 | 805ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:32:59 | 1036ms | 2 NS 2 A 1 MX | 🔓 Insecure |