thybilsyn.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 24 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.200 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.thybilsyn.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.17.200 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.178.65 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.thybilsyn.dk | 89.188.76.243 | vps293.simsoft.dk | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b241 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:11c8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.200,172.67.178.65 ech=AEX+DQBBvAAgACBna+jyTvlpYDGQRQiZZDdqjboRr6Bm4yRSsQU9L3txBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b241,2606:4700:3035::6815:11c8 |
| TXT Record |
|---|
| MS=ms55406244 |
| v=spf1 ip4:89.188.76.243 ip4:89.188.76.191 ip4:49.13.54.110 -all |
| Policy | Record (thybilsyn.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:89.188.76.243 ip4:89.188.76.191 ip4:49.13.54.110 -all |
| www | 49.13.54.110 (AS24940) (address records, no CNAME) |
| www vs bare domain | Different networks thybilsyn.dk: 104.21.17.200 172.67.178.65 2606:4700:3030::ac43:b241 2606:4700:3035::6815:11c8 (AS13335) (all like this)www.thybilsyn.dk: 49.13.54.110 (AS24940) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.thybilsyn.dk | JgtJcBCWx0A_NNhd6Bivxy4peUsN3WzTF1zKoFkAOEU |
| TXT | _acme-challenge.thybilsyn.dk | Y47FNb2RPsebtYeRiK6TyLazqdG5TdYCK6Q6ERCr_kk |
| 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 | 2417724246 |
| 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 | CURANET A/S |
| Registered | 2005-05-24 |
| Expires | 2027-05-31 (221d) |
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).
| Domain | Registrar |
|---|---|
| thy-mors-bilsyn.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 14:42:32 shown | 2708ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-18 14:37:41 | 2271ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-17 13:04:54 | 2806ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 18:54:33 | 2423ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 03:01:38 | 9580ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:43:16 | 736ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 11:27:37 | 18030ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 00:56:52 | 1614ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 01:50:11 | 733ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 23:08:16 | 59417ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 22:12:14 | 549ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 12:04:21 | 591ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:01:56 | 724ms | 2 NS 1 A 1 MX | 🔒 Secure |