denjyskeopera.dk is a .dk domain served by 2 nameservers (kevin.ns.cloudflare.com, marjory.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.79 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.denjyskeopera.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.58.79 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.157.248 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.denjyskeopera.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:9df8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:3a4f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.58.79,172.67.157.248 ech=AEX+DQBBjgAgACCTZhfhrPby59fHhQMfCHe9ED1Iu1z4w3r+xnYHSjWgUwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9df8,2606:4700:3036::6815:3a4f |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (denjyskeopera.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.denjyskeopera.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | Address record (no CNAME) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.denjyskeopera.dk | H58DY5MO7pKi0XeD0oMeT496z-uKAPXd3pnQ7ZKY7bM |
| TXT | _acme-challenge.denjyskeopera.dk | dHrZVBbF1ULguiuxJ6GZEqcrU53eYITv2A6KFtE0Opo |
| 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 | 2412759561 |
| Primary NS (MNAME) | kevin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 02:49:20 | 450ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 21:25:34 shown | 506ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 10:57:10 | 9659ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 17:26:01 | 679ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:19:30 | 707ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 03:41:49 | 1189ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 05:07:48 | 876ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 16:10:41 | 819ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 04:18:22 | 1005ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:44:09 | 5255ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 01:55:49 | 456ms | 2 NS 2 A 1 MX | 🔓 Insecure |