heatex.dk is a .dk domain served by 4 nameservers (ephemera.nmugroup.se, origo.nmugroup.com, unit.nmugroup.com and 1 more). Its website address 193.183.80.13 is hosted by Nordisk Media Utveckling AB (AS204074) in Sweden. Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 193.183.80.13 | 3600s | redirect.nmugroup.com | AS204074 | Nordisk Media Utveckling AB | 193.183.80.0/24 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:67c:1b2c::4:1 | 3600s | redirect.nmugroup.com | AS204074 | Nordisk Media Utveckling AB | 2001:67c:1b2c:0:0:0:0:0/48 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (heatex.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.heatex.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:admin@nmugroup.com |
| 0 | issue | letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1886703 |
| 0 | issuewild | ; |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.heatex.dk | _acme-challenge._.heatex.dk._.redirect.nmugroup.com._.acme-challenge.nmugroup.se |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092500 |
| Primary NS (MNAME) | origo.nmugroup.com |
| Responsible (RNAME) | dns@nmugroup.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 10:28:12 shown | 739ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 10:26:12 | 1866ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 10:22:29 | 2632ms | 1 NS 0 A 0 MX | ❓ Unknown |