cisos.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.89.250.130 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. The zone is DNSSEC-signed and validates, 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.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.89.250.130 | — | 0x5359fa82.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 83.89.0.0/16 | 🇩🇰 Denmark | Skovlunde |
| TXT Record |
|---|
| forward-email=ta@ahrends.dk |
| google-site-verification=xwbM4Ui0L1PtR888EEzxQCaBbhtp0Fh0vJvdustgSvM |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| SMTP _25._tcp.mx2.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026053001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-12-23 |
| Expires | 2026-12-22 (59d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 16:30:32 | 113ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-21 10:35:37 | 312ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-20 00:44:52 | 228ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 23:22:37 | 153ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 23:18:42 | 226ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 22:37:52 | 96ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 20:49:54 | 219ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 19:45:59 | 87ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 19:16:34 | 125ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 14:30:53 | 478ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 14:14:17 | 122ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 11:03:20 | 349ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 09:56:43 | 199ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 01:57:56 | 234ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 01:55:09 | 301ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 01:51:46 | 433ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 01:12:54 | 253ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 01:04:09 | 517ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 00:36:30 | 243ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 00:35:53 | 244ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 00:29:26 | 253ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 00:16:56 | 240ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 00:11:12 | 375ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 23:53:40 | 235ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 23:29:38 | 219ms | 1 NS 0 A 0 MX | ❓ Unknown |