nrsim.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 15 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.248.218 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by smtp.google.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 |
|---|---|---|---|---|---|---|---|
| 87.104.248.218 | 3600s | 87-104-248-218.static.kviknet.net | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Fredericia |
| TXT Record |
|---|
| Problems - contact hostmaster@nrsim.dk |
| v=spf1 a include:_spf.google.com -all |
| Policy | Record (nrsim.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:_spf.google.com -all |
| Policy | Record (_dmarc.nrsim.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarc+a@nrsim.dk; ruf=mailto:dmarc+f@nrsim.dk; |
| www CNAME | nrsim.dk (all on nrsim.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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 | 2026094663 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-11-15 |
| Expires | 2034-11-30 (2966d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 17:47:10 | 776ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 07:21:54 shown | 1193ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 05:14:37 | 1716ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 04:12:51 | 983ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 14:51:14 | 855ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 14:26:24 | 908ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 07:53:58 | 2519ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-08 06:37:31 | 1276ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-03 16:40:18 | 1275ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-27 18:49:50 | 1014ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-26 17:22:20 | 959ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-21 00:06:36 | 9422ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-13 04:32:31 | 11357ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-07 00:55:00 | 1784ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-08-05 16:04:13 | 2320ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-07-24 03:04:17 | 1848ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-07-16 22:49:19 | 1968ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-07-10 06:28:13 | 10085ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-07-03 13:53:08 | 5363ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-26 06:25:33 | 1052ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-18 21:18:35 | 3908ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-17 12:54:28 | 3650ms | 2 NS 1 A 8 MX | 🔒 Secure |