schirmmacher.dk is a .dk domain served by 2 nameservers (felicity.ns.cloudflare.com, raphaela.ns.cloudflare.com). It was registered on 18 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.48 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by remote.stroehle.at. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.49.48 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.249 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | remote.stroehle.at | 81.223.175.114 | remote.stroehle.at | AS8412 T-Mobile Austria GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:bcf9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:3130 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.49.48,172.67.188.249 ech=AEX+DQBBNgAgACC6hZdBL2ATXPQvuB9WMHGnh/CRqp3eZsz8waLm3KtSTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:bcf9,2606:4700:3036::6815:3130 |
| TXT Record |
|---|
| v=spf1 a mx ip4:81.223.175.114 ip4:46.224.205.92 ~all |
| Policy | Record (schirmmacher.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:81.223.175.114 ip4:46.224.205.92 ~all |
| www | 104.21.49.48 172.67.188.249 2606:4700:3035::ac43:bcf9 2606:4700:3036::6815:3130 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network schirmmacher.dk: 104.21.49.48 172.67.188.249 2606:4700:3035::ac43:bcf9 2606:4700:3036::6815:3130 (AS13335) www.schirmmacher.dk: 104.21.49.48 172.67.188.249 2606:4700:3035::ac43:bcf9 2606:4700:3036::6815:3130 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 2418183274 |
| Primary NS (MNAME) | felicity.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2020-09-18 |
| Expires | 2027-09-30 (339d) |
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 |
|---|---|---|---|
| 2026-10-25 09:16:55 shown | 904ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 13:10:10 | 768ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 05:07:43 | 1187ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 04:23:23 | 1294ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 22:03:21 | 884ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 11:02:30 | 2584ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 15:22:16 | 6117ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 15:17:34 | 8848ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-13 18:44:11 | 1129ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-31 10:19:12 | 9223ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 22:29:28 | 18529ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:10:39 | 946ms | 2 NS 2 A 1 MX | 🔓 Insecure |