redblu.dk is a .dk domain served by 2 nameservers (ns1.fozzy.ru, ns2.fozzy.ru). It was registered on 11 March 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.212.232.164 is hosted by JSC Selectel (AS50340) in Russia. Mail is handled by redblu.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.fozzy.ru | 88.212.247.28 | ns1.fozzy.ru | AS50340 JSC Selectel |
| ns2.fozzy.ru | 88.212.252.178 | — | AS50340 JSC Selectel |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 88.212.232.164 | 14400s | — | AS50340 | JSC Selectel | 88.212.232.0/23 | 🇷🇺 Russia | Moscow |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | redblu.dk | 88.212.232.164 | — | AS50340 JSC Selectel |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 88.212.232.164 |
| 🔶 Autoconfig | 88.212.232.164 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| www CNAME | redblu.dk (all on redblu.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.redblu.dk | q7RSrb137_V70jChVfP26Ro9h8MjGSLVJ472Yt_zo90 |
| 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 | 2023092101 |
| Primary NS (MNAME) | ns1.fozzy.com |
| Responsible (RNAME) | orders@fozzy.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-03-11 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|---|---|
| 2026-10-07 20:09:26 shown | 2287ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 11:44:54 | 2116ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 07:38:07 | 3251ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 14:30:18 | 10297ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 04:45:51 | 3796ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 05:58:22 | 1677ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 20:22:47 | 1248ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:59:00 | 2294ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 05:29:29 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 00:57:13 | 2638ms | 2 NS 1 A 1 MX | 🔓 Insecure |