optibelt.dk is a .dk domain served by 2 nameservers (ns2.knipp.de, ns3.knipp.de). It was registered on 19 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by optibelt-com.mail.cloud.nospamproxy.com. The zone is not DNSSEC-signed, publishes a 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 | — | optibelt-com.mail.cloud.nospamproxy.com | 178.212.92.204 193.37.132.36 |
de-s02-gw2.mail.cloud.nospamproxy.com de-s02-gw1.mail.cloud.nospamproxy.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| bYILuKLTuS26yxMKr7xIBjzGkA5RI7oKTmISXO3qxpg= |
| v=spf1 mx include:spf.optibelt-com.cloud.nospamproxy.com -all |
| Policy | Record (optibelt.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.optibelt-com.cloud.nospamproxy.com -all |
| Policy | Record (_dmarc.optibelt.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=0; rua=mailto:dmarc@optibelt.com |
| www | 195.216.199.130 (AS44499) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.optibelt-com.mail.cloud.nospamproxy.com | DANE-EE · SPKI · SHA-256 | 1BEAA1E1B7F75FE929FC440E5E6F3981… |
| SMTP _25._tcp.optibelt-com.mail.cloud.nospamproxy.com | DANE-EE · SPKI · SHA-256 | BF83AE28CC6944D909C06D31DFFB3419… |
| SMTP _25._tcp.optibelt-com.mail.cloud.nospamproxy.com | DANE-EE · SPKI · SHA-256 | CB9CDD599C1931292565646C64B162EB… |
| SMTP _25._tcp.optibelt-com.mail.cloud.nospamproxy.com | DANE-EE · SPKI · SHA-256 | CDD6204F8622AD1581C527B97C5718F0… |
| 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 | 2023092908 |
| Primary NS (MNAME) | ns2.knipp.de |
| Responsible (RNAME) | dnsmaster@irondns.net |
| Refresh | 10800s |
| Retry | 3000s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-06-19 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 16:50:59 | 757ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 17:46:37 | 9622ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-16 06:12:01 | 9594ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 05:30:58 | 2587ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 08:10:41 shown | 4782ms | 2 NS 0 A 1 MX | 🔓 Insecure |