frg.dk is a .dk domain served by 2 nameservers (irma.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 24 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.147 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by frg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.40.147 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.153.12 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | frg-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:990c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:2893 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.40.147,172.67.153.12 ech=AEX+DQBBfwAgACB2BqvhWR0vj3W6kSImwai9TTXubeU10aiaBaAZ27u6EAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:990c,2606:4700:3035::6815:2893 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (frg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve frg.dk: 104.21.40.147 172.67.153.12 2606:4700:3034::ac43:990c 2606:4700:3035::6815:2893 (AS13335) (all like this)www.frg.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-frg-dk._domainkey.friedrichholding.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-frg-dk._domainkey.friedrichholding.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: 1/10 · 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 | 2417573323 |
| Primary NS (MNAME) | irma.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 | 2025-02-24 |
| Expires | 2027-02-23 (118d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 19:38:02 | 587ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-16 01:37:36 shown | 2232ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-06 08:40:50 | 2841ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 05:56:48 | 742ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 10:56:45 | 708ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 02:55:32 | 33006ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 00:49:39 | 4037ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-10 02:32:34 | 2338ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:17:42 | 1036ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 18:43:19 | 1083ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 20:28:04 | 992ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:38:34 | 564ms | 2 NS 2 A 1 MX | 🔓 Insecure |