signtree.dk is a .dk domain served by 2 nameservers (bonnie.ns.cloudflare.com, kurt.ns.cloudflare.com). It was registered on 6 August 2026 (WHOIS) and first appeared in the .dk zone on 7 August 2026. Its website address 104.21.31.223 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.31.223 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.180.7 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1fdf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b407 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.31.223,172.67.180.7 ech=AEX+DQBBagAgACCuaiaO+Ou2KUfINop3wRb1xd7eqK/oxChxPk93U5wxVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1fdf,2606:4700:3037::ac43:b407 |
| www | 104.21.31.223 172.67.180.7 2606:4700:3033::6815:1fdf 2606:4700:3037::ac43:b407 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network signtree.dk: 104.21.31.223 172.67.180.7 2606:4700:3033::6815:1fdf 2606:4700:3037::ac43:b407 (AS13335) www.signtree.dk: 104.21.31.223 172.67.180.7 2606:4700:3033::6815:1fdf 2606:4700:3037::ac43:b407 (AS13335) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'signtree.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2411541624 |
| Primary NS (MNAME) | bonnie.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 | 2026-08-06 |
| Expires | 2027-08-05 (287d) |
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 |
|---|---|
| ailearning.dk | Simply.com A/S |
| kumar.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 11:17:47 | 1231ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 00:28:52 | 1133ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 22:28:50 | 4317ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 20:44:11 | 2570ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 19:48:01 | 1348ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 21:16:43 | 3358ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 20:29:29 | 2958ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 15:54:03 | 5507ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-31 02:35:06 | 1605ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 12:26:25 | 679ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:11:04 | 483ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 09:08:24 shown | 899ms | 2 NS 2 A 0 MX | ❓ Unknown |