cti.dk is a .dk domain served by 2 nameservers (ns1-auth.csc.dk, ns2-auth.csc.dk). It was registered on 11 August 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.131.87 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by cti-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 |
|---|---|---|---|---|---|---|---|
| 5.103.131.87 | 600s | 5.103.131.87.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| C.T. International |
| google-site-verification=0-YpvhSdPX7KrTkmSrlIJTUMVmZyxLDYNF0j5Ws9Ma0 |
| MS=ms87811320 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cti.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | cti.dk (all on cti.dk) → 5.103.131.87 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2025091011 |
| Primary NS (MNAME) | ns-master.csc.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-08-11 |
| Expires | 2027-09-30 (347d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:12:38 | 837ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 04:42:28 shown | 869ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 18:27:03 | 2715ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 07:20:30 | 3293ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 01:21:34 | 1502ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:10:54 | 2124ms | 2 NS 1 A 1 MX | 🔓 Insecure |