schiermacher.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 31 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.100.103.203 is hosted by DKTV A/S (AS15516) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.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 |
|---|---|---|---|---|---|---|---|
| 91.100.103.203 | 21600s | 91.100.103.203.generic-hostname.arrownet.dk | AS15516 | DKTV A/S | 91.100.0.0/15 | 🇩🇰 Denmark | Brøndby |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | schiermacher.dk → 91.100.103.203 |
| 🔶 Autoconfig | schiermacher.dk → 91.100.103.203 |
| www CNAME | schiermacher.dk (all on schiermacher.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.schiermacher.dk | schiermacher.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026060308 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2002-01-31 |
| Expires | 2027-03-31 (154d) |
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 |
|---|---|
| o-l-e.dk | dns.services ApS |
| o1e.dk | dns.services ApS |
| telefo9.dk | dns.services ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 16:00:40 | 784ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-30 11:07:39 | 1098ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 10:14:55 shown | 9361ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 05:57:15 | 915ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 15:59:21 | 11220ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 21:01:33 | 825ms | 3 NS 1 A 3 MX | 🔓 Insecure |