efficient.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 29 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:200:442e::2 | 3600s | cp15.nordicway.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 ip4:144.76.168.29 +a +mx +ip4:176.9.90.24 include:relay.mailchannels.net ~all |
| Policy | Record (efficient.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:144.76.168.29 +a +mx +ip4:176.9.90.24 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.efficient.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | efficient.dk (all on efficient.dk) |
| www vs bare domain | Same network efficient.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940) www.efficient.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940) |
| Wildcard | No |
| 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: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.efficient.dk | gd9E3_nVafF6yb5GBw9NSbzV-ne1xl61D70ZsuVk3Z0 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072702 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-08-29 |
| Expires | 2027-08-28 (307d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 00:17:52 | 541ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-22 19:06:56 | 1309ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-21 15:18:52 | 611ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-10-19 07:57:23 | 1258ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-18 05:43:21 | 570ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 05:13:23 | 1448ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-14 00:01:15 | 837ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-12 20:53:49 | 1482ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 17:22:37 | 786ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-10 14:27:40 | 1578ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 01:38:58 | 916ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 01:37:59 | 848ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 01:36:30 | 594ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 23:54:49 | 775ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 23:53:24 | 760ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 23:43:29 | 926ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 23:39:41 | 716ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 23:38:57 | 936ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:28:38 | 814ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:15:54 | 676ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:26:41 | 798ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 14:15:46 | 799ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 14:13:19 | 880ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 13:51:46 | 775ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:41:45 | 717ms | 4 NS 1 A 1 MX | 🔓 Insecure |