tandlaegebasen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 July 2026 (WHOIS) and first appeared in the .dk zone on 8 July 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 3600s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| TXT Record |
|---|
| google-site-verification=hsPy_l62cPVxci99a_OlR_aXoEtxlQBhiM-cTR8HjDA |
| v=spf1 include:spf.improvmx.com ~all |
| Policy | Record (tandlaegebasen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.improvmx.com ~all |
| Policy | Record (_dmarc.tandlaegebasen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www CNAME | cname.vercel-dns.com (all on vercel-dns.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: 1/10 · 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 | 2026072601 |
| 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 | 2026-07-07 |
| Expires | 2027-07-06 (251d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 09:08:01 | 492ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 21:13:18 | 743ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 21:03:45 shown | 496ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 23:35:37 | 635ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 04:50:44 | 642ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-26 20:39:44 | 1384ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 12:48:59 | 9484ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 09:24:50 | 1352ms | 3 NS 1 A 2 MX | 🔒 Secure |