centrumjr.dk is a .dk domain served by 4 nameservers (ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and 1 more). It was registered on 12 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.19.248.132 is hosted by Safenames Ltd. (AS60819) in United Kingdom. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 217.19.248.132 | 900s | redirect.idp365.net | AS60819 | Safenames Ltd. | 217.19.240.0/20 | 🇬🇧 United Kingdom | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (centrumjr.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.centrumjr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; fo=1 |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 3 |
| Primary NS (MNAME) | ns-cloud-c1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Safenames Ltd |
| Registered | 2000-07-12 |
| Expires | 2027-09-30 (348d) |
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).
| Domain | Registrar |
|---|---|
| advilcoldandsinus.dk | Safenames Ltd |
| caltrate.dk | Safenames Ltd |
| preparationh.dk | Safenames Ltd |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-25 01:36:02 shown | 979ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 00:55:29 | 794ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 00:47:39 | 1441ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 20:05:17 | 410ms | 4 NS 1 A 0 MX | 🔓 Insecure |