nielsbohr.dk is a .dk domain served by 4 nameservers (ns01.one.com, ns02.one.com, ns1.nbi.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.212.5 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 130.225.212.5 | 86400s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| Niels Bohr Archive |
| www | 130.225.212.5 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022070901 |
| Primary NS (MNAME) | ns1.nbi.dk |
| Responsible (RNAME) | hostmaster@nbi.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:25:37 shown | 1249ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-28 10:37:46 | 567ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 13:08:37 | 699ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 14:33:16 | 780ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 04:23:30 | 1342ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 00:31:23 | 349ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 02:36:15 | 1178ms | 4 NS 1 A 0 MX | 🔓 Insecure |