sci-fi.dk is a .dk domain served by 2 nameservers (sean.ns.cloudflare.com, simone.ns.cloudflare.com). It was registered on 23 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.107 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.78.107 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.96 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:4e6b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:dc60 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.78.107,172.67.220.96 ech=AEX+DQBBMwAgACAcc4jcUqaH9Qm6yB1uJ2ycgUK+ON/ia8nrMRRxy/aXLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4e6b,2606:4700:3033::ac43:dc60 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (sci-fi.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sci-fi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.78.107 172.67.220.96 2606:4700:3033::6815:4e6b 2606:4700:3033::ac43:dc60 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sci-fi.dk | Iw-YZcqmeus_NmiKVWa64ZRWftrJs93Twdnd3_ULHT8 |
| TXT | _acme-challenge.sci-fi.dk | la3jzEEn2w2pS8nE-tTfDxazup2QBDXcdDFhUDKznWg |
| 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 | 2417840923 |
| Primary NS (MNAME) | sean.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-08-23 |
| Expires | 2027-08-31 (315d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 01:50:43 shown | 651ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 12:29:07 | 641ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 06:34:47 | 1219ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 14:01:57 | 936ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 01:31:04 | 1458ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 01:04:04 | 993ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 07:31:56 | 757ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:44:27 | 945ms | 5 NS 1 A 1 MX | 🔒 Secure |