lrventilationsteknik.dk is a .dk domain served by 2 nameservers (ns1.dns.services, ns2.dns.services). It was registered on 5 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.21 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by lr-ventilationsteknik.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.21 | 3600s | linux350.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | lr-ventilationsteknik.dk | 185.20.205.21 | linux350.unoeuro.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | lrventilationsteknik.dk → 185.20.205.21 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | lrventilationsteknik.dk |
| _sipfederationtls._tcp | 0 | 10 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms39621081 |
| v=spf1 include:_spf.comasys.dk include:spf.protection.outlook.com -all |
| Policy | Record (lrventilationsteknik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.comasys.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.lrventilationsteknik.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| www CNAME | lrventilationsteknik.dk (all on lrventilationsteknik.dk) → 185.20.205.21 (AS48854) |
| www vs bare domain | Same network lrventilationsteknik.dk: 185.20.205.21 (AS48854) www.lrventilationsteknik.dk: 185.20.205.21 (AS48854) |
| Wildcard | Yes: any name under the zone resolves |
| 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.
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.lrventilationsteknik.dk | lrventilationsteknik.dk |
| 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 | 2026020505 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | ms+lrvt@itexperterne.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Namehost by CoMaSys ApS |
| Registered | 2026-02-05 |
| Expires | 2027-02-04 (109d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 11:44:26 | 499ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 12:57:26 | 597ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 19:53:24 shown | 4697ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:11:29 | 1387ms | 2 NS 1 A 1 MX | 🔓 Insecure |