smarttwin.dk is a .dk domain served by 3 nameservers (nsauth1.interconnect-dns.nl, nsauth2.interconnect-dns.eu, nsauth3.interconnect-dns.be). It was registered on 28 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smx1.interconnect.nl, smx2.interconnect.nl and 2 more. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | smx1.interconnect.nl | 2001:4018:1:193::60 212.83.193.60 |
— smx1.interconnect.nl |
AS9150 ML Consultancy AS9150 ML Consultancy |
| 10 | 3600s | smx2.interconnect.nl | 2001:4018:1:193::61 | — | AS9150 ML Consultancy |
| 10 | 3600s | smx3.interconnect.nl | 2001:4018:1:193::62 | — | AS9150 ML Consultancy |
| 1000 | 3600s | fallback.interconnect.nl | 2001:4018:1:192::34 212.83.192.34 |
— fallback.interconnect.nl |
AS9150 ML Consultancy AS9150 ML Consultancy |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves smarttwin.dk: no address www.smarttwin.dk: no address |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.fallback.interconnect.nl | DANE-EE · SPKI · SHA-256 | 847E6E70DF3F935B1905B71C32E877DF… |
| SMTP _25._tcp.fallback.interconnect.nl | DANE-TA · SPKI · SHA-256 | C784333D20BCD742B9FDC3236F4E509B… |
| SMTP _25._tcp.smx1.interconnect.nl | DANE-TA · SPKI · SHA-256 | E1AE9C3DE848ECE1BA72E0D991AE4D0D… |
| SMTP _25._tcp.smx1.interconnect.nl | DANE-EE · SPKI · SHA-256 | 07E8395394E5F325A5CE79156AE89B5A… |
| SMTP _25._tcp.smx3.interconnect.nl | DANE-EE · SPKI · SHA-256 | 07E8395394E5F325A5CE79156AE89B5A… |
| SMTP _25._tcp.smx3.interconnect.nl | DANE-TA · SPKI · SHA-256 | E1AE9C3DE848ECE1BA72E0D991AE4D0D… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021062502 |
| Primary NS (MNAME) | nsauth1.interconnect-dns.nl |
| Responsible (RNAME) | postmaster@interconnect.nl |
| Refresh | 14400s |
| Retry | 1800s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-06-28 |
| Expires | 2027-06-30 (255d) |
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 |
|---|---|
| smart-twin.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 01:02:52 | 1540ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-09-03 14:24:34 | 1596ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-06-27 23:17:19 shown | 3937ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-06-17 12:13:46 | 4292ms | 3 NS 0 A 4 MX | 🔓 Insecure |