rednexus.dk is a .dk domain served by 2 nameservers (tiffany.ns.cloudflare.com, yew.ns.cloudflare.com). It was registered on 14 August 2026 (WHOIS) and first appeared in the .dk zone on 15 August 2026. Its website address 104.21.15.165 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rednexus-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 |
|---|---|---|---|---|---|---|---|
| 104.21.15.165 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.163.34 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:a322 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:fa5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.15.165,172.67.163.34 ech=AEX+DQBBFQAgACD6bnwLaSPZH4MTaMS4qqwJKHCqnhu/SRXFMNGnA1B3fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:a322,2606:4700:3036::6815:fa5 |
| TXT Record |
|---|
| MS=ms97543845 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rednexus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.15.165 172.67.163.34 2606:4700:3034::ac43:a322 2606:4700:3036::6815:fa5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rednexus.dk: 104.21.15.165 172.67.163.34 2606:4700:3034::ac43:a322 2606:4700:3036::6815:fa5 (AS13335) www.rednexus.dk: 104.21.15.165 172.67.163.34 2606:4700:3034::ac43:a322 2606:4700:3036::6815:fa5 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rednexus-dk._domainkey.rednexusconsulting.k-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-rednexus-dk._domainkey.rednexusconsulting.k-v1.dkim.mail.microsoft | 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.rednexus.dk | 4Ajwrua7xThhejXobqwo-wj2CbYkuWfD3jSjPQpz5_4 |
| TXT | _acme-challenge.rednexus.dk | B5QWYRkzIJ7E1WaEloYmOB7hzNzc91sCify3Ic6cWdQ |
| 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 | 2412832770 |
| Primary NS (MNAME) | tiffany.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-08-14 |
| Expires | 2027-08-13 (298d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 16:01:31 | 2661ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:19:12 | 1368ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 01:02:10 | 1357ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 22:25:34 | 1168ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 15:51:19 | 2429ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 12:00:56 shown | 2094ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 11:42:58 | 26382ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 09:48:04 | 9279ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 09:42:34 | 1331ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 08:41:18 | 5998ms | 2 NS 1 A 1 MX | 🔒 Secure |