opticos.dk is a .dk domain served by 3 nameservers (dns1.oderland.com, dns2.oderland.com, dns3.oderland.com). It was registered on 4 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.201.60.46 is hosted by ODERLAND Webbhotell AB (AS44136) in Sweden. Mail is handled by mx1.oderland.com, mx2.oderland.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 91.201.60.46 | — | dosojin.oderland.com | AS44136 | ODERLAND Webbhotell AB | 91.201.60.0/22 | 🇸🇪 Sweden | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:28f0:3037:47:: | — | dosojin.oderland.com | AS44136 | ODERLAND Webbhotell AB | 2a02:28f0:0:0:0:0:0:0/29 | 🇸🇪 Sweden | — |
| Policy | Record (_dmarc.opticos.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | opticos.dk (all on opticos.dk) |
| www vs bare domain | Same network opticos.dk: 91.201.60.46 2a02:28f0:3037:47:: (AS44136) www.opticos.dk: 91.201.60.46 2a02:28f0:3037:47:: (AS44136) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 | 2026050101 |
| Primary NS (MNAME) | dns1.oderland.com |
| Responsible (RNAME) | registry@oderland.se |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | ODERLAND Webbhotell AB |
| Registered | 2018-07-04 |
| Expires | 2027-07-31 (286d) |
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 |
|---|---|---|---|
| 2026-09-23 18:33:44 | 760ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-09 11:39:15 | 835ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 23:49:14 | 1286ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 21:35:34 | 701ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 12:44:34 | 7270ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 12:00:34 | 1111ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 07:09:02 | 929ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:06:31 shown | 6742ms | 3 NS 1 A 4 MX | 🔒 Secure |