dua.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.163.47 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by webhotel13.webhosting.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.250.163.47 | 600s | php80serv1.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | webhotel13.webhosting.dk | 157.250.160.33 | webhotel13.webhosting.dk | AS3342 Cibicom A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 0 | 1 | 143 | webhotel13.webhosting.dk |
| _imaps._tcp | 0 | 1 | 993 | webhotel13.webhosting.dk |
| TXT Record |
|---|
| v=spf1 include:spf.webhosting.dk -all |
| Policy | Record (dua.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.webhosting.dk -all |
| Policy | Record (_dmarc.dua.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www CNAME | php80serv1.webhosting.dk (all on webhosting.dk) → 157.250.163.47 (AS3342) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel13.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel13.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| HTTPS _443._tcp.dua.dk | DANE-EE · SPKI · SHA-256 | 624418D06549F070D5E5F94A3AAB2DF9… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3409231163 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-08 09:47:39 shown | 919ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 09:46:58 | 681ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 16:32:38 | 1134ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 10:51:47 | 905ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 15:53:12 | 733ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 13:33:17 | 1352ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 03:43:32 | 656ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 09:16:14 | 1133ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 04:55:56 | 717ms | 5 NS 1 A 1 MX | 🔒 Secure |