blue-chip.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.4 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.4 | 3600s | webcluster1.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:27:5365:4316:849a | 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 (blue-chip.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 46.30.213.4 2a02:2350:5:10a:27:5365:4316:849a (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network blue-chip.dk: 46.30.213.4 2a02:2350:5:10a:27:5365:4316:849a (AS51468) www.blue-chip.dk: 46.30.213.4 2a02:2350:5:10a:27:5365:4316:849a (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.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081413 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 02:02:47 | 541ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-05 16:12:48 | 817ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-03 16:05:04 | 550ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 21:47:56 | 609ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 11:56:42 | 592ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-09 07:00:36 | 1775ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 01:45:59 | 729ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 05:59:54 shown | 4821ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 07:10:35 | 903ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-06 23:55:44 | 1593ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 05:16:16 | 631ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:18:59 | 2285ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-16 15:11:03 | 658ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-16 15:10:15 | 2514ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:00:40 | 689ms | 2 NS 1 A 4 MX | 🔒 Secure |