chello.dk is a .dk domain served by 2 nameservers (ns1.upc.biz, ns2.upc.biz). Mail is handled by smtp1.chello.dk. The zone is not DNSSEC-signed, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | smtp1.chello.dk | 212.83.64.131 | amsmail.chello.com | AS6830 Liberty Global Europe Holding B.V. |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (chello.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.chello.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:jn2qdxcl@ag.eu.dmarcadvisor.com; ruf=mailto:jn2qdxcl@fr.eu.dmarcadvisor.com; |
DNS lookups: 0/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2018061102 |
| Primary NS (MNAME) | ns1.upc.biz |
| Responsible (RNAME) | domainadmin@libertyglobal.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 2592000s |
| Minimum (neg-cache TTL) | 345600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-24 17:41:14 shown | 11369ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 06:19:43 | 911ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:37:25 | 4147ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:25:14 | 526ms | 2 NS 0 A 1 MX | 🔓 Insecure |