histolab.dk is a .dk domain served by 4 nameservers (ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.91.60.233 is hosted by OVH SAS (AS16276) in France. Mail is handled by histolab-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.91.60.233 | 3600s | eole2.iptwins.com | AS16276 | OVH SAS | 51.91.0.0/16 | 🇫🇷 France | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 mx ip4:195.178.165.148 ip4:178.174.162.34 include:spf.anpdm.com include:spf.protection.outlook.com -all |
| Policy | Record (histolab.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:195.178.165.148 ip4:178.174.162.34 include:spf.anpdm.com include:spf.protection.outlook.com -all |
| www | 51.91.60.233 (AS16276) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · policy: -all
No problems found| 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 | 2026032501 |
| Primary NS (MNAME) | ns1.iptwins.net |
| Responsible (RNAME) | dns-log@iptwins.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 2592000s |
| Minimum (neg-cache TTL) | 345600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:54:47 | 32329ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 02:18:19 shown | 4934ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 07:02:04 | 6724ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-02 14:11:37 | 18740ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:13:14 | 15459ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:07:09 | 3788ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:06:14 | 252ms | 0 NS 0 A 0 MX | ❓ Unknown |