qp12.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 87.61.100.125 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by qp12.dk. 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 |
|---|---|---|---|---|---|---|---|
| 87.61.100.125 | — | 0x573d647d.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.61.0.0/17 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | qp12.dk | 2a09:5e41:319:4a40::5 87.61.100.125 |
— 0x573d647d.static.cust.fastspeed.dk |
AS209424 Fastspeed A/s AS3292 TDC Holding A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:5e41:319:4a40::5 | — | — | AS209424 | Fastspeed A/s | 2a09:5e41:200:0:0:0:0:0/39 | 🇩🇰 Denmark | Birkerød |
| TXT Record |
|---|
| v=spf1 mx ip4:87.61.100.125 ip6:2a09:5e41:319:4a40::/64 -all |
| Policy | Record (qp12.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:87.61.100.125 ip6:2a09:5e41:319:4a40::/64 -all |
| Policy | Record (_dmarc.qp12.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| 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 |
|---|---|---|---|
| 2026-10-09 01:18:49 | 1164ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:08:57 | 491ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 16:12:00 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 00:55:32 | 897ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 09:02:49 | 960ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 19:56:59 | 2772ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 17:38:19 | 891ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 19:48:45 | 772ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 03:04:42 | 923ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 07:04:48 | 792ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 16:28:41 | 915ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 04:04:30 | 4727ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:06:26 shown | 664ms | 2 NS 1 A 1 MX | 🔒 Secure |