o-it.dk is a .dk domain served by 4 nameservers (ns71.cloudns.net, ns72.cloudns.com, ns73.cloudns.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.211 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by oit-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.211 | 3592s | web11.gigahost.dk | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | o-it.dk → 46.183.139.211 |
| TXT Record |
|---|
| MS=ms50310440 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (o-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.o-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; pct=100; rua=mailto:support@o-it.dk; ri=86400; fo=1; |
| www CNAME | o-it.dk (all on o-it.dk) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-oit-dk0c._domainkey.oit9940.p-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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| Primary NS (MNAME) | ns71.cloudns.net |
| Responsible (RNAME) | support@cloudns.net |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 02:17:08 | 6390ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 19:57:13 | 2602ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 00:20:11 | 6355ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 17:45:51 | 4321ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 01:45:59 | 5575ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 14:45:18 shown | 17149ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 20:47:43 | 18349ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 18:54:36 | 1717ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 23:25:02 | 4486ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:34:26 | 1546ms | 4 NS 1 A 1 MX | 🔒 Secure |