rum3.dk is a .dk domain served by 4 nameservers (ns01.1sthosting.dk, ns02.1sthosting.dk, ns03.1sthosting.dk and 1 more). It was registered on 18 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rum3-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.1sthosting.dk | 193.104.246.161 | — | AS31027 GlobalConnect A/S |
| ns02.1sthosting.dk | 193.104.246.162 | — | AS31027 GlobalConnect A/S |
| ns03.1sthosting.dk | 94.18.210.70 | — | AS31027 GlobalConnect A/S |
| ns04.1sthosting.dk | 94.18.210.71 | — | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 185.51.79.130 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms69778575 |
| v=spf1 a ip4:185.51.79.241 include:spf.protection.outlook.com -all |
| Policy | Record (rum3.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:185.51.79.241 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rum3.dk: no address www.rum3.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rum3-dk._domainkey.rum3.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-rum3-dk._domainkey.rum3.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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-12-18 |
| Expires | 2026-12-31 (71d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:04:28 | 991ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-04 18:38:59 | 2778ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-31 03:38:04 | 65535ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-29 15:30:35 | 64891ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 20:52:59 | 65535ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 17:19:17 | 15596ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-24 18:18:42 | 1712ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 12:51:52 | 5974ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 10:02:24 | 31760ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 09:48:04 | 31580ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 09:07:11 | 28085ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 08:42:39 | 8749ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 08:39:42 | 29042ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 14:20:50 | 51671ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 11:17:21 | 7337ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 08:39:47 | 33241ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 21:19:09 | 3541ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-03 01:03:03 | 13033ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-31 12:51:41 | 26690ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 16:24:31 | 13213ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 14:52:49 | 16565ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 14:22:42 | 19000ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 13:46:41 | 12656ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 11:26:49 | 11211ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-22 02:59:34 | 4816ms | 4 NS 0 A 0 MX | ❓ Unknown |