3byggetilbud.dk is a .dk domain served by 4 nameservers (ns-1166.awsdns-17.org, ns-1885.awsdns-43.co.uk, ns-492.awsdns-61.com and 1 more). It was registered on 7 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 3byggetilbud-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns-1166.awsdns-17.org | — | — | — |
| ns-1885.awsdns-43.co.uk | — | — | — |
| ns-492.awsdns-61.com | — | — | — |
| ns-780.awsdns-33.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | — | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| TXT Record |
|---|
| ca3-1b76ed7a0dea413b89795a8ecc4c5820 |
| ca3-909ad52187d0402b94681d46c4e535b1 |
| facebook-domain-verification=pjrudogeaba7kaukfjf1vx2jv27kuh |
| google-site-verification=7e1PWRVaL3FmMr9SUTZsyHYW_A8GQHvrce4QWOY0tbA |
| MS=ms43901507 |
| openai-domain-verification=dv-kc1CPfYW8jFtNBbesBPMiijj |
| pinterest-site-verification=d2480a722f739af69ebcb7040175ba04 |
| v=spf1 ip4:5.56.144.98 include:trustpilotservice.com include:spf.mandrillapp.com include:helpscoutemail.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ~all |
| Policy | Record (3byggetilbud.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:5.56.144.98 include:trustpilotservice.com include:spf.mandrillapp.com include:helpscoutemail.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ~all |
| Policy | Record (_dmarc.3byggetilbud.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | 3byggetilbud.dk (all on 3byggetilbud.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u25817230.wl231.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u25817230.wl231.sendgrid.net | 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: 5/10 · policy: ~all
No problems found| 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 | 1 |
| Primary NS (MNAME) | ns-1166.awsdns-17.org |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-05-07 |
| Expires | 2027-05-31 (220d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 09:33:17 | 3278ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 18:44:00 | 3970ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 23:54:17 | 5148ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 13:47:16 | 3988ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 04:01:32 | 3394ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 14:02:51 | 2256ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:58:29 shown | 1566ms | 4 NS 1 A 1 MX | 🔓 Insecure |