tufvessonisolering.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.111 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.emailsrvr.com, mx2.emailsrvr.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.111 | 3600s | linux17.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.emailsrvr.com | 173.203.187.1 | mx1.emailsrvr.com | AS27357 Rackspace Hosting |
| 20 | 3600s | mx2.emailsrvr.com | 184.106.54.2 | mx2.emailsrvr.com | AS19994 Rackspace Hosting |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.41.111 |
| 🔶 Autoconfig | 185.21.41.111 |
| TXT Record |
|---|
| v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com ~all |
| Policy | Record (tufvessonisolering.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com ~all |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 9/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080401 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2014-04-22 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 01:48:18 | 784ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 11:18:07 shown | 779ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 09:02:22 | 804ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 23:57:07 | 691ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 03:32:31 | 1606ms | 3 NS 1 A 2 MX | 🔓 Insecure |