rentesignal.dk is a .dk domain served by 2 nameservers (bob.ns.cloudflare.com, dawn.ns.cloudflare.com). It was registered on 2 August 2026 (WHOIS) and first appeared in the .dk zone on 4 August 2026. Its website address 104.21.12.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rentesignal-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.12.251 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.153.245 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:99f5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:cfb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.12.251,172.67.153.245 ech=AEX+DQBBFwAgACDE5Ow7t+sFU+84T8zQZUr9OcFNYjK1ULXMlS00q7ASbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:99f5,2606:4700:3037::6815:cfb |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rentesignal.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.rentesignal.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:martin@psquared.dk |
| www | 104.21.12.251 172.67.153.245 2606:4700:3033::ac43:99f5 2606:4700:3037::6815:cfb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rentesignal.dk: 104.21.12.251 172.67.153.245 2606:4700:3033::ac43:99f5 2606:4700:3037::6815:cfb (AS13335) www.rentesignal.dk: 104.21.12.251 172.67.153.245 2606:4700:3033::ac43:99f5 2606:4700:3037::6815:cfb (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rentesignal-dk._domainkey.psquareddk.r-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-rentesignal-dk._domainkey.psquareddk.r-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| 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 | 2418272654 |
| Primary NS (MNAME) | bob.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2026-08-02 |
| Expires | 2027-08-01 (279d) |
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).
| Domain | Registrar |
|---|---|
| psquared.dk | dns.services ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 21:51:37 shown | 1518ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-23 17:07:06 | 1946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 23:15:43 | 1507ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:01:56 | 1711ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 02:37:09 | 3574ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 19:53:48 | 5873ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 08:35:27 | 3271ms | 2 NS 0 A 1 MX | 🔓 Insecure |