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Domain Intelligence Report

cryptography.blog

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DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
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reachable and responding
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Outline
Gathering data — check results will appear here as they complete.
DNS Records
WHOIS
Then vs Nownew
No card for this name. We compare then and now for domains that are in the top million and had an AboutUs page. That says nothing about this domain’s age or safety.
Check what it is now →
SSL/TLS
Security
Email Auth
DNSSEC
Tech Stack
HTTP / Headers
Threats
Zone census
Subdomains
Web Archive
Deliverability

IPv6

Not checked yet. aaaa.bot has no recent IPv6 result for cryptography.blog. Run the check on aaaa.bot →

Lineage

Our records: Apr 3, 2018 → Nov 6, 2026

Oldest registry snapshot we hold: 2023 · 2 renewals on record · DNS at Cloudflare · 1 nameserver change seen. These dates are when our records begin, not when the domain was registered.

Registrar

  • Porkbun LLClast seen Jan 2026
    Apr 2023 – Jan 2026

DNS provider

  • Namecheap
    Apr 2018
  • Nameservers not resolved
    Aug 2026
  • Porkbun
    Sep 2026
  • CloudflareNOW
    Seen from Nov 2026
What changed
  1. Missing from the zone file, then back between Sep 30, 2026 and Nov 5, 2026Listed on 2026-09-30, missing from the next held snapshot, listed again on 2026-11-05. A registry hold also removes a name, so this is not proof it was dropped.
  2. DNS moved to Cloudflare between Sep 30, 2026 and Nov 5, 2026curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com → coen.ns.cloudflare.com, raina.ns.cloudflare.com.
  3. Missing from the zone file, then back between Aug 27, 2026 and Sep 1, 2026Listed on 2026-08-27, missing from the next held snapshot, listed again on 2026-09-01. A registry hold also removes a name, so this is not proof it was dropped.
  4. Renewed +2 years between Apr 25, 2024 and Jan 29, 2026Expiry moved from 2024-08-17 to 2026-08-17, at Porkbun LLC.
  5. Renewed +1 year between Apr 9, 2023 and Apr 25, 2024Expiry moved from 2023-08-17 to 2024-08-17, at Porkbun LLC.

Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.

Registrar and renewals: 4 WHOIS/RDAP snapshots, 2023-04-09 to 2026-01-29 (ledger built 2026-09-27). Every renewal

DNS provider, registry zone files: 95 .blog zone-file snapshots held, 2018-04-03 to 2026-11-06.

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