npbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 July 2026 (WHOIS) and first appeared in the .dk zone on 22 July 2026. Its website address 46.30.215.250 is hosted by One.com A/S (AS51468) in Denmark. 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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.250 | 3600s | webcluster2.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| 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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:80d4:6445:f2d9:25a4 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (npbyg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.npbyg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.215.250 2a02:2350:5:108:80d4:6445:f2d9:25a4 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network npbyg.dk: 46.30.215.250 2a02:2350:5:108:80d4:6445:f2d9:25a4 (AS51468) www.npbyg.dk: 46.30.215.250 2a02:2350:5:108:80d4:6445:f2d9:25a4 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072701 |
| 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 | ONE.COM A/S |
| Registered | 2026-07-21 |
| Expires | 2027-07-20 (273d) |
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).
| Domain | Registrar |
|---|---|
| nygaard-petersen-byg.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 06:41:37 | 512ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-16 03:28:31 | 460ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-13 22:47:34 | 837ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-09 11:31:54 | 526ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-07 01:55:35 | 1488ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 23:33:32 | 713ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 23:04:34 | 671ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 18:37:59 | 742ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 17:23:33 | 663ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 02:38:20 | 679ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-27 12:19:13 shown | 8992ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-22 08:37:37 | 973ms | 2 NS 1 A 4 MX | 🔒 Secure |