nrgisystems.dk is a .dk domain served by 4 nameservers (ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and 1 more). It was registered on 24 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.39.153 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by nrgisystems-dk.mail.protection.outlook.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 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 |
|---|---|---|---|---|---|---|---|
| 5.103.39.153 | 300s | 5.103.39.153.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Ringsted |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| MS=ms74712830 |
| ubivox-site-verification=vCUwZ6R2V6EKAABNKcMuhNx47 |
| v=spf1 include:_spf55950.spf-protect.dk include:spf.protection.outlook.com -all |
| Policy | Record (nrgisystems.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf55950.spf-protect.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.nrgisystems.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:66e1b0706e8e3@dmarc-dk.centerasecurity.com; pct=100; fo=1; |
| www | 5.103.39.153 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u12355014.wl015.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12355014.wl015.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-nrgisystems-dk._domainkey.nrgi.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-nrgisystems-dk._domainkey.nrgi.onmicrosoft.com | 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: 3/10 · 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 | 1 |
| Primary NS (MNAME) | ns-cloud-d1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-06-24 |
| Expires | 2027-06-30 (255d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 21:25:25 shown | 1181ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 20:03:28 | 2050ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:12:17 | 10125ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:43:24 | 3234ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 12:48:03 | 4110ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 09:52:52 | 904ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 21:42:23 | 3453ms | 4 NS 1 A 1 MX | 🔒 Secure |