citybolig.dk is a .dk domain served by 2 nameservers (ns1.cb.dk, ns2.cb.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.citybolig.dk. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.cb.dk | 193.104.202.25 | ext202-25.cph1.sit.dk | AS50346 It Forum Gruppen A/s |
| ns2.cb.dk | 193.104.202.26 | ext202-26.cph1.sit.dk | AS50346 It Forum Gruppen A/s |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.citybolig.dk | 194.60.243.111 | — | AS42876 Unit IT A/S |
| www CNAME | cbweb5.cb.dk (all on cb.dk) → 194.60.243.9 (AS42876) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2018022807 |
| Primary NS (MNAME) | ns1.cb.dk |
| Responsible (RNAME) | hostmaster@cb.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:03:36 shown | 734ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 15:21:43 | 716ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 07:25:35 | 2470ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-01 02:26:55 | 690ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 22:24:18 | 643ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 20:01:11 | 713ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:28:27 | 694ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 02:20:21 | 827ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:55:56 | 484ms | 2 NS 0 A 1 MX | 🔓 Insecure |