zendablue.dk is a .dk domain served by 2 nameservers (melody.ns.cloudflare.com, sergi.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.196 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by zendablue-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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.13.196 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.157.79 | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:9d4f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:dc4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.13.196,172.67.157.79 ech=AEX+DQBBSgAgACBHAomcgK9TxZIhzVjMkLxVGJQ0oey3QhHglqC4l36DbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9d4f,2606:4700:3036::6815:dc4 |
| TXT Record |
|---|
| brevo-code:5c608de09bcfc917fdb35c841a4ba88c |
| google-site-verification=TLRVnaHdnTiZoFyMAkbK0x2Q8R3lRt0qFqCHQ20_xvA |
| MS=ms37190074 |
| v=spf1 include:spf.protection.outlook.com include:spf.brevo.com ~all |
| Policy | Record (zendablue.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:spf.brevo.com ~all |
| Policy | Record (_dmarc.zendablue.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:mal@zendablue.dk; pct=100; adkim=s; aspf=s |
| www | 104.21.13.196 172.67.157.79 2606:4700:3030::6815:dc4 2606:4700:3032::ac43:9d4f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network zendablue.dk: 104.21.13.196 172.67.157.79 2606:4700:3030::6815:dc4 2606:4700:3032::ac43:9d4f (AS13335) www.zendablue.dk: 104.21.13.196 172.67.157.79 2606:4700:3030::6815:dc4 2606:4700:3032::ac43:9d4f (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-zendablue-dk._domainkey.zendablue.q-v1.dkim.mail.microsoft | RSA · ~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: 2/10 · 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 | 2407958560 |
| Primary NS (MNAME) | melody.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 08:05:26 | 1052ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 14:31:18 | 2024ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 02:26:39 | 1876ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 15:51:53 | 2210ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 06:47:21 | 948ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 01:51:44 | 1691ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 12:59:18 | 2965ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 08:49:44 | 1143ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 06:31:43 shown | 1558ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 20:31:00 | 1303ms | 2 NS 2 A 1 MX | 🔓 Insecure |