østergaardselteknik.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 12 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.248 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by xn--stergaardselteknik-f4b.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.248 | 14400s | 178-20-216-248.customer.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | xn--stergaardselteknik-f4b.dk | 178.20.216.248 2a01:7cc0:101:ffff::1:14 |
178-20-216-248.customer.chosting.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.248 |
| 🔶 Autoconfig | 178.20.216.248 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:14 | 14400s | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| google-site-verification=AdmHCBys-mjQaNW35cTsKhkXZIYYVwrxL9StHln1mVk |
| v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx +ip4:178.20.216.248 ~all |
| Policy | Record (østergaardselteknik.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx +ip4:178.20.216.248 ~all |
| Policy | Record (_dmarc.østergaardselteknik.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | xn--stergaardselteknik-f4b.dk (all on xn--stergaardselteknik-f4b.dk) |
| www vs bare domain | Same network østergaardselteknik.dk: 178.20.216.248 2a01:7cc0:101:ffff::1:14 (AS21060) www.østergaardselteknik.dk: 178.20.216.248 2a01:7cc0:101:ffff::1:14 (AS21060) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.østergaardselteknik.dk | P9IKAhwhu-PGohv7oMZjZGhBK6sUeUNC5_KcUknW7QU |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026061501 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-06-12 |
| Expires | 2028-06-30 (619d) |
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 |
|---|---|
| gardenlights.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 20:18:16 | 662ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 20:28:00 | 946ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:59:28 | 9640ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 18:05:15 | 1060ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 04:35:28 | 757ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-21 09:12:26 shown | 588ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:57:19 | 838ms | 3 NS 1 A 1 MX | 🔒 Secure |