signavo.dk is a .dk domain served by 2 nameservers (byron.ns.cloudflare.com, donna.ns.cloudflare.com). It was registered on 4 August 2026 (WHOIS) and first appeared in the .dk zone on 5 August 2026. Its website address 104.21.89.57 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.89.57 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.38 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:5939 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:bc26 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.89.57,172.67.188.38 ech=AEX+DQBBBAAgACAKed1pL8r6zwvVQov95KP6ECvBwQO9DyS9NuEr/O19PwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5939,2606:4700:3037::ac43:bc26 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (signavo.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.signavo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.89.57 172.67.188.38 2606:4700:3033::6815:5939 2606:4700:3037::ac43:bc26 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · 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 | 2411330532 |
| Primary NS (MNAME) | byron.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 | 2026-08-04 |
| Expires | 2027-08-03 (285d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 08:53:53 | 1248ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-02 19:20:35 | 877ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-30 19:08:46 | 631ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-26 04:27:54 | 1386ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-22 09:26:34 | 1321ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-12 08:53:06 | 833ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-01 00:46:35 | 1613ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-28 14:08:20 | 1466ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-26 13:17:04 | 1248ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-15 14:15:43 | 12006ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-06 22:57:58 | 17357ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-05 08:35:05 shown | 1721ms | 2 NS 2 A 0 MX | 🔒 Secure |