guentner.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 10 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.31.143.90 is hosted by united-domains GmbH (AS202108) in Germany. Mail is handled by mx19a.antispameurope.com, mx19b.antispameurope.com and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 89.31.143.90 | 600s | — | AS202108 | united-domains GmbH | 89.31.142.0/23 | 🇩🇪 Germany | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 89.31.143.90 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms90269076 |
| v=spf1 ip4:178.15.55.234/32 ip4:195.243.250.2/32 include:spf.protection.outlook.com include:antispameurope.com include:tdchosting.dk ~all |
| Policy | Record (guentner.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.15.55.234/32 ip4:195.243.250.2/32 include:spf.protection.outlook.com include:antispameurope.com include:tdchosting.dk ~all |
| www | 89.31.143.150 (AS202108) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 9/10 · policy: ~all
| 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 | 2023120811 |
| Primary NS (MNAME) | ns.udag.de |
| Responsible (RNAME) | hostmaster@united-domains.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | united-domains GmbH |
| Registered | 2001-01-10 |
| Expires | 2027-03-31 (163d) |
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).
| Domain | Registrar |
|---|---|
| guentner-nordic.dk | united-domains GmbH |
| guentnernordic.dk | united-domains GmbH |
| guntner-nordic.dk | united-domains GmbH |
| guntnernordic.dk | united-domains GmbH |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 22:25:55 | 702ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 02:24:54 | 1707ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 20:00:32 | 2481ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 12:11:17 | 2586ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 21:44:59 | 2789ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 02:27:52 | 892ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 13:25:36 | 795ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 06:58:48 | 2865ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 04:36:06 | 1288ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 03:55:19 | 1194ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 07:51:34 | 1263ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 18:06:24 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 13:44:28 shown | 3250ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 23:29:54 | 754ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:14:59 | 4378ms | 3 NS 1 A 3 MX | 🔓 Insecure |