rschmidt.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 24 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 216.198.79.1 | 3600s | — | AS16509 | Amazon.com, Inc. | 216.198.79.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| apple-domain=U4J6oiQwVOdiXLhH |
| v=spf1 include:icloud.com ~all |
| Policy | Record (rschmidt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www CNAME | a94bd1e7ca5617ec.vercel-dns-017.com (all on vercel-dns-017.com) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-01-24 |
| Expires | 2027-01-31 (100d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 11:13:46 | 500ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 06:38:12 | 2038ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 21:55:04 | 12072ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 20:06:16 shown | 9161ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 12:29:14 | 9150ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-04 11:57:10 | 5025ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 09:09:38 | 798ms | 4 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-21 16:25:22 | 692ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 08:19:39 | 1419ms | 4 NS 1 A 2 MX | 🔒 Secure |