tsnygaard.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 27 June 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.202 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.202 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.163 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:98a3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:58ca | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.202,172.67.152.163 ech=AEX+DQBBYwAgACA1eFd5NOrLBXFsmeZu+NJFMzikTYVMb1TmbPxQjy8maAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:98a3,2606:4700:3035::6815:58ca |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk ~all |
| Policy | Record (tsnygaard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk ~all |
| www | 104.21.88.202 172.67.152.163 2606:4700:3031::ac43:98a3 2606:4700:3035::6815:58ca (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network tsnygaard.dk: 104.21.88.202 172.67.152.163 2606:4700:3031::ac43:98a3 2606:4700:3035::6815:58ca (AS13335) www.tsnygaard.dk: 104.21.88.202 172.67.152.163 2606:4700:3031::ac43:98a3 2606:4700:3035::6815:58ca (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · 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 | 2411520447 |
| Primary NS (MNAME) | barbara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-06-27 |
| Expires | 2027-06-30 (254d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 18:00:32 | 686ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-09 03:12:43 | 2032ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-29 19:58:03 | 660ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-08 15:20:57 | 9577ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-16 17:49:17 | 1071ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-08 09:18:46 shown | 1044ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-27 17:43:39 | 1926ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 11:53:17 | 2736ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 19:49:46 | 1101ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:16:42 | 2135ms | 2 NS 2 A 2 MX | 🔓 Insecure |