dif-rengoering.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 27 August 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.208 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by difrengoering-dk0i.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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.8.208 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.163 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:8d0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:82a3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.208,172.67.130.163 ech=AEX+DQBByQAgACDKlOpfj4mPdDtH3wshYZrvJEBnIyU9n2irwr+5sCqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:8d0,2606:4700:3037::ac43:82a3 |
| TXT Record |
|---|
| google-gws-recovery-domain-verification=44553068 |
| MS=ms97950971 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (dif-rengoering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.8.208 172.67.130.163 2606:4700:3033::6815:8d0 2606:4700:3037::ac43:82a3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dif-rengoering.dk: 104.21.8.208 172.67.130.163 2606:4700:3033::6815:8d0 2606:4700:3037::ac43:82a3 (AS13335) www.dif-rengoering.dk: 104.21.8.208 172.67.130.163 2606:4700:3033::6815:8d0 2606:4700:3037::ac43:82a3 (AS13335) |
| Wildcard | No |
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 | 2416884994 |
| Primary NS (MNAME) | barbara.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 | 2010-08-27 |
| Expires | 2027-08-31 (312d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 08:01:38 shown | 2432ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 05:48:39 | 740ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:24:27 | 10187ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 17:05:02 | 1530ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 22:38:47 | 2481ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 01:45:55 | 9516ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 00:39:21 | 1265ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 10:16:18 | 2225ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 21:54:34 | 1285ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:45:51 | 625ms | 2 NS 2 A 1 MX | 🔓 Insecure |