billigststrom.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 16 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.157.26.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:d014:58f:6200::258 | — | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| 2a05:d014:58f:6200::259 | — | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (billigststrom.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.billigststrom.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www CNAME | site-dns.bolt.host (all on bolt.host) |
| www vs bare domain | Same network billigststrom.dk: 35.157.26.135 63.176.8.218 75.2.60.5 2a05:d014:58f:6200::258 (AS16509) www.billigststrom.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) |
| 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 |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026010604 |
| 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 | 2025-12-16 |
| Expires | 2026-12-15 (50d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 14:06:19 | 1027ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-05 22:05:21 | 1058ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-28 04:07:43 | 1224ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-07-02 23:15:51 | 2688ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-24 20:38:08 | 710ms | 3 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:34:12 shown | 631ms | 3 NS 3 A 1 MX | 🔓 Insecure |