viessmann-service.dk is a .dk domain served by 2 nameservers (ns01.no.brand.one.com, ns02.no.brand.one.com). It was registered on 8 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.249.226.59 is hosted by One.com A/S (AS51468) in Norway. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.249.226.59 | 10800s | linux14.fastname.no | AS51468 | One.com A/S | 5.249.224.0/19 | 🇳🇴 Norway | Oslo |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | mailconfig.mailadmin.no |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 0 | 443 | autodiscover.mailadmin.no |
| www | 5.249.226.59 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2026082301 |
| Primary NS (MNAME) | ns01.no.brand.one.com |
| Responsible (RNAME) | hostmaster@no.brand.one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-02-08 |
| Expires | 2027-02-28 (134d) |
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 |
|---|---|---|---|
| 2026-10-03 14:22:36 | 4389ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 13:57:18 | 912ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-04 09:17:51 | 776ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 16:42:33 | 585ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-23 17:39:24 shown | 661ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 01:06:47 | 1358ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 01:13:52 | 1221ms | 2 NS 1 A 0 MX | ⚠️ Bogus |