rbcd.uk
SPF only
Cloudflare krystal.uk
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.
Registration
Fetching the registry record…
DNS
| Type | Value |
|---|---|
| NS | matteo.ns.cloudflare.com · nelly.ns.cloudflare.com |
| A | 104.21.1.160 |
| A | 172.67.129.138 |
| AAAA | 2606:4700:3032::ac43:818a |
| AAAA | 2606:4700:3037::6815:1a0 |
| MX | 10 mx1.krystal.uk |
| MX | 20 mx2.krystal.uk |
| TXT | v=spf1 include:relay.k.io a mx ip4:77.72.1.29 ~all |
| SOA | matteo.ns.cloudflare.com dns.cloudflare.com serial 2414260468 |
Certificates
No certificate for this domain has passed through the logs dot.bi follows since it started watching. Older certificates are not back-filled.
Hosting
- IP
- 104.21.1.160
- Network
- AS13335 · CLOUDFLARENET - Cloudflare, Inc., US
- Provider
- Cloudflare
- Country
- US (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
SPF only SPF is published but there is no DMARC policy.
- Provider
- krystal.uk
- SPF
- present all: softfail
- DMARC
- missing
- DKIM
- found selector: default
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-18 · Visitor lookup
Name analysis
- Words
- no dictionary word
- Length
- 4 characters
- Digits · hyphens
- none · none
- Readability
- low
- Brandability
- 60 / 100 heuristic
Same name, other TLDs
Checking the same name on other TLDs…
History observed by dot.bi
First observed by dot.bi · source: lookup