bld-it.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.239.32.21 is hosted by Google LLC (AS15169) in United States. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 216.239.32.21 | 3600s | any-in-2015.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.34.21 | 3600s | any-in-2215.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.36.21 | 3600s | any-in-2415.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.38.21 | 3600s | any-in-2615.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| google-site-verification=_z35CFp_MrEN1-tKjEThsITA_ykPBF2EVCI1iupvCVo |
| Policy | Record (_dmarc.bld-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Same network bld-it.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.bld-it.dk: 142.250.154.121 2a00:1450:4001:c0f::79 (AS15169) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-08-10 |
| Expires | 2027-08-31 (314d) |
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 |
|---|---|---|---|
| 2026-10-20 07:32:02 shown | 2397ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-10-07 13:50:51 | 957ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-24 02:18:45 | 976ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-11 15:03:44 | 1123ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-26 19:50:44 | 845ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-25 12:01:47 | 5028ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-21 14:25:08 | 1929ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-20 14:17:01 | 2229ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-16 19:30:28 | 5551ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-14 18:05:02 | 9648ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-07 05:20:12 | 1733ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-26 05:56:38 | 5020ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-11 06:44:59 | 5026ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-08 23:48:02 | 2246ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-02 23:57:16 | 1187ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-27 22:15:25 | 1747ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-27 18:13:31 | 1048ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-22 01:31:30 | 1119ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-20 02:24:51 | 3551ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-16 14:46:45 | 2860ms | 2 NS 4 A 4 MX | 🔒 Secure |