nrdc.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 5 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.foreningsmail.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 217.20.63.155 | 600s | — | — | — | — | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.foreningsmail.dk | 34.140.124.121 | 121.124.140.34.bc.googleusercontent.com | AS396982 Google LLC |
| TXT Record |
|---|
| v=spf1 include:_spf_forening.mail.dk ~all |
| Policy | Record (nrdc.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf_forening.mail.dk ~all |
| Policy | Record (_dmarc.nrdc.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;fo=1;ri=3600;pct=100; |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · 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 | 2026011650 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2002-11-05 |
| Expires | 2026-12-31 (71d) |
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).
Showing 100 of 529.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 23:44:14 shown | 795ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 21:09:47 | 1935ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 23:01:30 | 708ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 12:15:53 | 796ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 12:07:07 | 561ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:27:54 | 1600ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 04:12:12 | 822ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 21:07:34 | 1011ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 13:50:11 | 2196ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 13:00:17 | 3732ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 10:59:31 | 1325ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 12:05:53 | 1106ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 11:55:52 | 1031ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 10:36:01 | 9884ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:42:17 | 2905ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 08:18:22 | 950ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:21:19 | 1761ms | 4 NS 1 A 1 MX | 🔒 Secure |