sparekurven.dk is a .dk domain served by 2 nameservers (keenan.ns.cloudflare.com, monroe.ns.cloudflare.com). It was registered on 1 September 2026 (WHOIS) and first appeared in the .dk zone on 2 September 2026. Its website address 104.21.87.117 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.87.117 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.143.8 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:5775 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:8f08 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.87.117,172.67.143.8 ech=AEX+DQBBkQAgACCs4ea9S26jOcBjmFmLiJrZbLcanQlhh1g1+VScExaiNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5775,2606:4700:3033::ac43:8f08 |
| TXT Record |
|---|
| google-site-verification=wt_IXcd16gtZ42LT1T-jkgXgsf-uK5acpII0nLhQ7hc |
| www | 104.21.87.117 172.67.143.8 2606:4700:3032::6815:5775 2606:4700:3033::ac43:8f08 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sparekurven.dk: 104.21.87.117 172.67.143.8 2606:4700:3032::6815:5775 2606:4700:3033::ac43:8f08 (AS13335) www.sparekurven.dk: 104.21.87.117 172.67.143.8 2606:4700:3032::6815:5775 2606:4700:3033::ac43:8f08 (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 |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sparekurven.dk | Bsh9XTjUGgLCL0D2MFaW68J1R9dTrlRO0ny4EemAfhY |
| TXT | _acme-challenge.sparekurven.dk | Q3yirWSIRt7B1BGsAMcg2Ckgn1TsSZxtM8wcC1rIHz4 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-09-01 |
| Expires | 2027-08-31 (310d) |
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 |
|---|---|---|---|
| 2026-10-22 20:17:01 | 1153ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-20 22:01:39 shown | 2407ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-19 14:34:48 | 1328ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-18 13:08:36 | 465ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-16 12:37:02 | 2279ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-15 10:14:26 | 623ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-04 11:13:44 | 381ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 10:53:31 | 571ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-25 17:13:10 | 441ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-24 17:08:34 | 453ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-23 16:40:31 | 541ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-16 09:25:41 | 682ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-12 12:34:29 | 360ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-05 11:15:42 | 455ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-02 09:01:05 | 501ms | 3 NS 0 A 0 MX | 🔒 Secure |