billig-billy.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.223.235.80 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.e-studio.dk | — | — | — |
| ns2.e-studio.dk | — | — | — |
| ns3.e-studio.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.223.235.80 | — | imali.pil.dk | AS47527 | DLX A/S | 91.223.235.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 20 | — | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 30 | — | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 include:spf.shoporama.dk include:servers.mcsv.net include:_custspf.one.com include:trustpilotservice.com -all |
| Policy | Record (billig-billy.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.shoporama.dk include:servers.mcsv.net include:_custspf.one.com include:trustpilotservice.com -all |
| www CNAME | billig-billy.dk (all on billig-billy.dk) → 91.223.235.80 (AS47527) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026050303 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:12:20 | 708ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 07:28:13 | 478ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 08:56:14 | 459ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 16:58:25 | 762ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-04 23:47:02 | 1172ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:33:58 | 650ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:33:09 shown | 2786ms | 3 NS 1 A 3 MX | 🔒 Secure |