grz.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, kobe.ns.cloudflare.com). It was registered on 9 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.61.100.151 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 87.61.100.151 | 300s | 0x573d6497.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.61.0.0/17 | 🇩🇰 Denmark | Aarhus |
| TXT Record |
|---|
| v=spf1 include:aspmx.googlemail.com ~all |
| Policy | Record (grz.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:aspmx.googlemail.com ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415080868 |
| Primary NS (MNAME) | fiona.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-01-09 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 09:11:19 | 545ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-04 09:06:11 | 1011ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-30 17:15:14 | 724ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-29 21:09:24 | 1113ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-19 18:37:10 shown | 1396ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-03 04:54:43 | 1372ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-20 20:22:40 | 1652ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-02 11:25:29 | 1607ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-20 00:10:07 | 1174ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-17 10:04:21 | 12227ms | 2 NS 1 A 7 MX | 🔓 Insecure |