nemko.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, virginia.ns.cloudflare.com). It was registered on 7 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.208 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.52.208 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.203.230 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:34d0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:cbe6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.208,172.67.203.230 ech=AEX+DQBBiQAgACC3BPJXIqV1zmOt5kr4XVRQchnHDi6IskbFXftEL6eWZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:34d0,2606:4700:3035::ac43:cbe6 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (nemko.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.nemko.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 104.21.52.208 172.67.203.230 2606:4700:3030::6815:34d0 2606:4700:3035::ac43:cbe6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · 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 | 2407280824 |
| Primary NS (MNAME) | clark.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2007-03-07 |
| Expires | 2027-03-31 (161d) |
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 |
|---|---|---|---|
| 2026-10-17 01:28:38 | 456ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-14 23:00:18 | 2504ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-01 04:58:58 | 411ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-27 02:41:02 | 642ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 15:15:46 | 631ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-15 00:40:07 | 1493ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-08 10:33:41 | 1678ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-31 11:53:57 | 1098ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-30 10:50:26 | 1922ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-17 08:33:11 | 1038ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-07 03:44:23 | 1047ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-12 19:59:04 | 934ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 11:43:23 shown | 5963ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 11:34:05 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:54:51 | 1034ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 16:36:12 | 1057ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 13:23:10 | 789ms | 2 NS 2 A 0 MX | 🔒 Secure |