ttsystem.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, melinda.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.98 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ttsystem-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.38.98 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.221.128 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:dd80 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2662 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.38.98,172.67.221.128 ech=AEX+DQBBVwAgACCMfw4T3q1qqkYA+bhgMOEBh7kVJ/GYmCvejGjXbxDZFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:dd80,2606:4700:3037::6815:2662 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _8bykz4l5suuzsx9bk5gtuql5eky68ul |
| 6lwc0jx7wshhfy75rch6sz61kdz0x333 |
| 74szg2trtk6hwt5hqz418vvnflxc4jk0 |
| MS=ms48770309 |
| v=spf1 a mx ip4:87.63.192.102 include:spf.protection.outlook.com ~all |
| z61fpqnskgkw5kd4mmklvn1c3j9tw6x5 |
| Policy | Record (ttsystem.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:87.63.192.102 include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.ttsystem.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100 |
| www | 104.21.38.98 172.67.221.128 2606:4700:3031::ac43:dd80 2606:4700:3037::6815:2662 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network ttsystem.dk: 104.21.38.98 172.67.221.128 2606:4700:3031::ac43:dd80 2606:4700:3037::6815:2662 (AS13335) www.ttsystem.dk: 104.21.38.98 172.67.221.128 2606:4700:3031::ac43:dd80 2606:4700:3037::6815:2662 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-ttsystem-dk._domainkey.ttsystemaps.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 2416108798 |
| Primary NS (MNAME) | damon.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:37:57 shown | 995ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 05:14:56 | 1162ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:45:30 | 1089ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 15:25:57 | 1670ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 04:30:38 | 1788ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 12:40:07 | 1942ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:13:00 | 1056ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 01:23:43 | 1178ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-07-21 00:47:25 | 1251ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:54:17 | 4895ms | 2 NS 2 A 1 MX | 🔓 Insecure |