optigreen.dk is a .dk domain served by 2 nameservers (ns1.is-fun.net, ns2.is-fun.net). It was registered on 25 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.114.33.35 is hosted by TelemaxX Telekommunikation GmbH (AS12843) in Germany. Mail is handled by mail13.is-fun.net. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 212.114.33.35 | 86400s | ger13-2.wwwserver.net | AS12843 | TelemaxX Telekommunikation GmbH | 212.114.32.0/21 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 86400s | mail13.is-fun.net | 212.114.33.34 | ger13.wwwserver.net | AS12843 TelemaxX Telekommunikation GmbH |
| TXT Record |
|---|
| v=spf1 a mx ip4:212.114.33.0/24 ip4:212.114.34.0/24 ip4:212.114.35.0/24 ip4:212.114.36.0/24 ip4:212.114.37.0/24 ~all |
| Policy | Record (optigreen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:212.114.33.0/24 ip4:212.114.34.0/24 ip4:212.114.35.0/24 ip4:212.114.36.0/24 ip4:212.114.37.0/24 ~all |
| www | 212.114.33.35 (AS12843) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 2025100901 |
| Primary NS (MNAME) | ns1.is-fun.net |
| Responsible (RNAME) | hostmaster@is-fun.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | iS-Fun Internet Services GmbH |
| Registered | 2011-08-25 |
| Expires | 2027-08-31 (318d) |
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 |
|---|---|---|---|
| 2026-10-08 18:29:43 shown | 1209ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 08:55:25 | 2111ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 14:49:45 | 9814ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 19:42:10 | 2603ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:43:40 | 1009ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 07:57:34 | 775ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:00:48 | 1766ms | 2 NS 1 A 1 MX | 🔓 Insecure |