grontmij.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was registered on 14 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.45.73.247 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by .. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.45.73.247 | 3600s | — | AS8075 | Microsoft Corporation | 104.40.0.0/13 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (grontmij.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.grontmij.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; adkim=s; aspf=s; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www CNAME | grontmij.dk (all on grontmij.dk) → 104.45.73.247 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
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 | 2018081903 |
| Primary NS (MNAME) | ns1-04.azure-dns.com |
| Responsible (RNAME) | domain@sweco.se |
| Refresh | 10000s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2006-09-14 |
| Expires | 2027-09-30 (345d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:36:41 | 391ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 02:45:16 | 553ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 17:59:40 shown | 507ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 23:26:11 | 481ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 04:31:23 | 9706ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 16:54:57 | 1376ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 10:53:17 | 795ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:37:12 | 497ms | 4 NS 1 A 0 MX | ⚠️ Bogus |