chbyg.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, noor.ns.cloudflare.com). It was registered on 27 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.155 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by chbyg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.81.155 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.144.199 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.81.155 |
| 🔶 Autoconfig | 104.21.81.155 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:519b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:90c7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.81.155,172.67.144.199 ech=AEX+DQBB8gAgACDEMH+xPNbxRaz2PbU6PoECTyjQiHc0nE4UfIVNawMgfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:519b,2606:4700:3034::ac43:90c7 |
| TXT Record |
|---|
| MS=ms24764351 |
| v=spf1 ip4:80.209.5.148 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (chbyg.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.209.5.148 include:spf.protection.outlook.com include:spf.simply.com -all |
| Policy | Record (_dmarc.chbyg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.81.155 172.67.144.199 2606:4700:3031::ac43:90c7 2606:4700:3033::6815:519b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2406385934 |
| Primary NS (MNAME) | lewis.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2002-08-27 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 15:18:40 | 3576ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-03 13:06:08 | 1053ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 16:00:28 | 859ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-27 00:14:04 | 2771ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-17 08:27:37 | 1744ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-19 09:09:48 | 8018ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-05 10:30:33 | 2268ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-26 21:54:42 | 2130ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-18 07:45:25 | 4088ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-06 14:04:08 | 1584ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-05 13:32:55 | 1634ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-03 20:18:10 | 1513ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 02:08:44 | 1243ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 22:52:34 | 2768ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 18:33:07 shown | 3301ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 20:25:39 | 655ms | 2 NS 2 A 1 MX | 🔒 Secure |