cityone.dk is a .dk domain served by 3 nameservers (ns1.mono.net, ns2.mono.net, ns3.mono.net). It was registered on 12 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.58.213.125 is hosted by mono solutions ApS (AS201595) in Denmark. Mail is handled by mx.cityone.dk.cust.b.hostedemail.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns1.mono.net | — | — | — |
| ns2.mono.net | — | — | — |
| ns3.mono.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.58.213.125 | — | — | AS201595 | mono solutions ApS | 185.58.212.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | mx.cityone.dk.cust.b.hostedemail.com | 64.98.38.4 | mx.b.hostedemail.com | AS32491 Tucows.com Co. |
| TXT Record |
|---|
| v=spf1 include:_spf.hostedemail.com ~all |
| Policy | Record (cityone.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.hostedemail.com ~all |
| www | NORESPONSE |
DNS lookups: 1/10 · 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 | 2147483647 |
| Primary NS (MNAME) | ns1.mono.net |
| Responsible (RNAME) | domains@mono.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-12-12 |
| Expires | 2026-12-31 (69d) |
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 |
|---|---|---|---|
| 2026-10-09 07:13:19 | 20524ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 12:28:08 | 3821ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 00:33:02 | 17714ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:01:12 | 65535ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:10:52 | 1437ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:08:32 | 1431ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:01:20 shown | 2471ms | 3 NS 1 A 1 MX | 🔓 Insecure |