inplenum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.38.200 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by inplenum-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.103.38.200 | 3600s | 5.103.38.200.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Holbæk |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 5.103.38.200 |
| TXT Record |
|---|
| MS=ms44396018 |
| v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all |
| Policy | Record (inplenum.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all |
| www | 5.103.38.200 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026082602 |
| 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 | 2024-05-07 |
| Expires | 2027-05-06 (200d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 21:59:28 | 2253ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 21:00:36 | 947ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 17:25:31 | 1879ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 04:24:21 | 866ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:17:19 shown | 1162ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 22:07:18 | 1389ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 06:30:28 | 1176ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 12:35:06 | 2504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 02:38:21 | 1558ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 02:34:49 | 1251ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 20:28:07 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:22:26 | 1320ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 20:18:47 | 613ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-19 09:27:36 | 3168ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:47:56 | 328ms | 0 NS 0 A 0 MX | ❓ Unknown |