opadtrappen.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 1 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.43.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.43.16 | 3600s | linux16.scannet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| 🔶 Autoconfig | autoconfig-mf.onlinemail.io → 185.21.40.62 |
| TXT Record |
|---|
| facebook-domain-verification=tbpxdv716mlmn0ochlrjkaqgrvlady |
| google-site-verification=-OwVkkeWVh-tGxpiQJnBE5Wm9QLW1cRz0H75okJmQ10 |
| google-site-verification=AA4n7-GsBgEQYl4Del_0KdB8LCLukQQB3JJt5leXpQk |
| google-site-verification=b-Pfy4DDbTyKb_rEfBoZjqfNmu9J3ii9UT4m_S7XdbM |
| www | 185.21.43.16 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025111801 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | A/S SCANNET |
| Registered | 2006-11-01 |
| Expires | 2026-11-30 (43d) |
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 |
|---|---|---|---|
| 2026-09-30 16:55:18 shown | 515ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 15:39:07 | 940ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 21:36:25 | 475ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 14:58:22 | 548ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 17:41:44 | 621ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 01:49:42 | 767ms | 2 NS 1 A 2 MX | 🔒 Secure |