billyblaek.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 31 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.79.5 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mailscanner.powerhosting.dk, backup-mx.powerhosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.31.79.5 | 15506s | v4-elastic-ingress.balancer01.hyperscalemega.cloud | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.31.79.5 |
| 🔶 Autoconfig | 185.31.79.5 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:b920:3:1337::5 | 15990s | — | AS47527 | DLX A/S | 2a00:b920:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Herning |
| TXT Record |
|---|
| google-site-verification=2Lyi_djd1wqAGTYN9JZPdO2rD5PKAht0GwghPaf2LKY |
| google-site-verification=e1LDv9Mg2AJHXz__5bVlRmAqElyyCPmQOgE-lsVj4Ho |
| klaviyo-site-verification=TaKq8r |
| MS=ms78940279 |
| v=spf1 mx a ip4:185.31.79.58 include:_spf.powerhosting.dk include:spf.dixa.io -all |
| Policy | Record (billyblaek.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:185.31.79.58 include:_spf.powerhosting.dk include:spf.dixa.io -all |
| Policy | Record (_dmarc.billyblaek.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:re+nwzfackysao@dmarc.postmarkapp.com; sp=reject; aspf=r; |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | https://csp.swarm.powr.host |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:ssl@nordicosupply.com |
| 0 | issue | digicert.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog |
| 0 | issue | zerossl.com |
| 0 | issuewild | letsencrypt.org |
| www | 185.31.79.5 2a00:b920:3:1337::5 (AS47527) (address records, no CNAME) |
| www vs bare domain | Same network billyblaek.dk: 185.31.79.5 2a00:b920:3:1337::5 (AS47527) www.billyblaek.dk: 185.31.79.5 2a00:b920:3:1337::5 (AS47527) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | ph._domainkey.powerhosting.dk | RSA · ~1024 bit below 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: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.backup-mx.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| SMTP _25._tcp.mailscanner.powerhosting.dk | DANE-EE · SPKI · SHA-256 | 3C02E6711E7E08A1889E67D27C35D230… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042900 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2013-01-31 |
| Expires | 2029-01-31 (836d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 01:10:30 | 5263ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 14:52:59 | 1928ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 14:48:29 | 607ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 14:02:14 | 930ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-19 00:51:50 shown | 1084ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 11:32:58 | 1465ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 16:10:36 | 6464ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 13:22:05 | 18872ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 09:37:48 | 1028ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 13:27:35 | 1108ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:35:37 | 854ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 14:36:57 | 2950ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 14:36:11 | 1283ms | 4 NS 1 A 2 MX | 🔒 Secure |