sciencecupku.dk is a .dk domain served by 2 nameservers (craig.ns.cloudflare.com, walk.ns.cloudflare.com). It was registered on 21 June 2026 (WHOIS) and first appeared in the .dk zone on 22 June 2026. Its website address 104.21.81.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by inbound-smtp.eu-west-1.amazonaws.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.81.152 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.162.64 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:a240 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:5198 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.81.152,172.67.162.64 ech=AEX+DQBBkQAgACBSl7ezb95/PNg5dHEr7G+D7kREUzxBWyhgOruppbtbFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a240,2606:4700:3037::6815:5198 |
| TXT Record |
|---|
| google-site-verification=v4Q7GZHd3gUJi_UHnCG468Yq2KisixGUozHZxIcpUYY |
| mailerlite-domain-verification=85b96760066ec4174fa65ea7bf5c9679256cd85f |
| v=spf1 a mx include:_spf.mlsend.com ?all |
| Policy | Record (sciencecupku.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx include:_spf.mlsend.com ?all |
| Policy | Record (_dmarc.sciencecupku.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sciencecupku.dk: 104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (AS13335) www.sciencecupku.dk: 104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (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 |
DNS lookups: 3/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416699757 |
| Primary NS (MNAME) | craig.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 | 2026-06-21 |
| Expires | 2027-06-20 (241d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 04:59:58 shown | 1798ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:20:57 | 1317ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 07:52:00 | 775ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 06:24:17 | 1353ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-10 07:01:04 | 2268ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 08:36:53 | 10086ms | 3 NS 0 A 1 MX | 🔒 Secure |