sustainablebuild.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 8 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.sustainablebuild.dk. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 148.251.244.167 | 3600s | cp06.nordicway.dk | AS24940 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.sustainablebuild.dk | 148.251.244.167 | cp06.nordicway.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all |
| Policy | Record (sustainablebuild.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.sustainablebuild.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www | 104.21.95.168 172.67.146.55 2606:4700:3030::6815:5fa8 2606:4700:3032::ac43:9237 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sustainablebuild.dk: 104.21.95.168 172.67.146.55 2606:4700:3030::6815:5fa8 2606:4700:3032::ac43:9237 (AS13335) www.sustainablebuild.dk: 104.21.95.168 172.67.146.55 2606:4700:3030::6815:5fa8 2606:4700:3032::ac43:9237 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sustainablebuild.dk | 1Hb6j5VuX2rqlylBurprQBwNHJXB5XKeMnZF_PNh5GQ |
| 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 | 2026062001 |
| 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 | 2023-06-08 |
| Expires | 2027-06-07 (223d) |
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).
Showing 100 of 870.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 20:22:49 | 433ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 00:18:48 | 443ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 16:42:26 | 1350ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 16:36:56 | 1128ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-04 17:02:05 | 1481ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 07:16:16 | 954ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 23:05:55 | 2010ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 02:33:50 | 2524ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-20 07:27:29 shown | 1378ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 20:22:38 | 4522ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 09:13:56 | 853ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 18:48:32 | 915ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:09:06 | 877ms | 4 NS 1 A 1 MX | 🔓 Insecure |