claus-borg.dk is a .dk domain served by 3 nameservers (ns01.hosit.dk, ns02.hosit.dk, ns03.hosit.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.104.202.25 is hosted by It Forum Gruppen A/s (AS50346) in Denmark. Mail is handled by clausborg-dk01c.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.hosit.dk | 193.104.202.31 | ns01.hosit.dk | AS50346 It Forum Gruppen A/s |
| ns02.hosit.dk | 87.116.23.114 | ns02.hosit.dk | AS31027 GlobalConnect A/S |
| ns03.hosit.dk | 152.115.55.201 | ns04.hosit.dk | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.104.202.25 | 3600s | ext202-25.cph1.sit.dk | AS50346 | It Forum Gruppen A/s | 193.104.202.0/24 | 🇩🇰 Denmark | Hellerup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| TXT Record |
|---|
| MS=ms50157917 |
| v=spf1 include:spf.hosit.dk include:spf.protection.outlook.com -all |
| Policy | Record (claus-borg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.hosit.dk include:spf.protection.outlook.com -all |
| www CNAME | claus-borg.homepage.prod.realequity.dk (all on realequity.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2026030200 |
| Primary NS (MNAME) | ns01.hosit.dk |
| Responsible (RNAME) | support@sit.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 21:09:15 shown | 812ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:46:27 | 10072ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 00:27:15 | 10774ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 21:57:31 | 1148ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 12:38:27 | 936ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 18:43:12 | 707ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:05:21 | 658ms | 3 NS 1 A 1 MX | 🔓 Insecure |