nubi.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 10 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.191.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ispc9.dotserv.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 104.19.191.28 | 3600s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | ispc9.dotserv.com | 178.20.216.109 | ispc9.dotserv.com | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.nubi.dk → 178.20.216.109 |
| 🔶 Autoconfig | 178.20.217.104 |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (nubi.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (_dmarc.nubi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network nubi.dk: 104.19.191.28 (AS13335) www.nubi.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021091402 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-04-10 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 01:48:11 shown | 894ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:47:05 | 1716ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 07:49:01 | 949ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:41:50 | 735ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 15:02:20 | 1628ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:14:41 | 2058ms | 4 NS 1 A 1 MX | 🔓 Insecure |