bookpc.dk is a .dk domain served by 2 nameservers (ns1.wallin.dk, ns2.wallin.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.25.172 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by bookpc-dk.mail.protection.outlook.com, bookpc-dk.mx1.comendosystems.com and 4 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|
| ns1.wallin.dk | 5.103.25.173 | ns1.wallin.dk | AS44869 FIBIA P/S |
| ns2.wallin.dk | 5.103.25.174 | ns2.wallin.dk | AS44869 FIBIA P/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.103.25.172 | 300s | web.wallin.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Ballerup Municipality |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.213.232 |
| 🔶 Autoconfig | 5.103.25.172 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:5.103.25.167 +ip4:5.103.25.172 +include:spf.protection.outlook.com -all |
| Policy | Record (bookpc.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:5.103.25.167 +ip4:5.103.25.172 +include:spf.protection.outlook.com -all |
| www CNAME | bookpc.dk (all on bookpc.dk) → 5.103.25.172 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.bookpc.dk | XvCv3x9vrV9M53DEFEkoN8Zwhn4DJ3udOs6joB6JJqQ |
| 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 | 2026072804 |
| Primary NS (MNAME) | ns1.wallin.dk |
| Responsible (RNAME) | backup@nordvest.it |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:16:42 | 1415ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-10-07 18:32:42 | 1268ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-10-01 09:28:42 | 1245ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-09-27 18:42:56 | 1452ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-09-26 18:33:18 | 10127ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-09-17 07:38:33 | 2076ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-08-18 06:18:20 | 6358ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-08-03 23:15:07 shown | 2907ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-06-18 12:05:02 | 3500ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-06-16 16:04:11 | 1064ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-06-16 16:04:09 | 2673ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-06-16 16:01:09 | 6045ms | 2 NS 1 A 6 MX | 🔓 Insecure |
| 2026-06-16 16:01:00 | 2111ms | 2 NS 1 A 6 MX | 🔓 Insecure |