Rank #4,094Updated November 10, 2026
backblaze.com
backblaze.com is registered with Cloudflare, Inc. since April 3, 2007 (19.6 years). The registration expires on April 3, 2027. Its email security grade is C. Its SSL certificate is issued by Google Trust Services and is valid for 84 more days.
- Domain age
- 19.6 yrs
- Technologies
- —
- Email security
- C
- SSL days left
- 84
Registration
| Registrar | Cloudflare, Inc. |
|---|---|
| IANA ID | 1910 |
| Registered | April 3, 2007 |
| Expires | April 3, 2027 |
| Updated | March 3, 2026 |
| Status | client transfer prohibited |
| Name servers | dolly.ns.cloudflare.com, kirk.ns.cloudflare.com |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.17.5.3 | 300 |
| A | 104.17.6.3 | 300 |
| MX | mxa-00807701.gslb.pphosted.com 10 | 300 |
| MX | mxb-00807701.gslb.pphosted.com 10 | 300 |
| NS | kirk.ns.cloudflare.com | 86400 |
| NS | dolly.ns.cloudflare.com | 86400 |
| CAA | issue 0 comodoca.com | 3600 |
| CAA | issue 0 digicert.com; cansignhttpexchanges=yes | 3600 |
| CAA | issue 0 letsencrypt.org | 3600 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 3600 |
| CAA | issue 0 ssl.com | 3600 |
| CAA | issuewild 0 comodoca.com | 3600 |
| CAA | issuewild 0 digicert.com; cansignhttpexchanges=yes | 3600 |
| CAA | issuewild 0 letsencrypt.org | 3600 |
| CAA | issuewild 0 pki.goog; cansignhttpexchanges=yes | 3600 |
| CAA | issuewild 0 ssl.com | 3600 |
| TXT | cdn.webflow.com | 300 |
| TXT | jbUc6od99XEXvSgXm3x8fEogcBA | 300 |
| TXT | ZOOM_verify_Ron95oipJms9tk66npIAXu | 300 |
| TXT | apple-domain-verification=5ruC0k2u5Lq01vRE | 300 |
| TXT | jamf-site-verification=FNxtNKo-674I3fqoN6Rfhw | 300 |
| TXT | aa3e080c1afa4d988018adfd0475b6e6.backblaze.com | 300 |
| TXT | v=spf1 redirect=backblaze.com.hosted.spf-report.com | 300 |
| TXT | openai-domain-verification=dv-wcToYpmWizH1YNqNawvBlS2P | 300 |
| TXT | loom-site-verification=46ac06c19f95455a9cab3770a0573a8a | 300 |
| TXT | gamma-domain-verification-jdn6df=MCpel1KzDtlzNZTFTcH4ZYmHv | 300 |
| TXT | anthropic-domain-verification-ytjdyq=vxSAQyw80CKUsxL4gsAaE40jC | 300 |
| TXT | google-site-verification=VpwAv4ly-fz7Uhu5TaQOLom2N_GbBnBvsnyHWwpoJco | 300 |
| AAAA | 2606:4700::6811:503 | 230 |
| AAAA | 2606:4700::6811:603 | 230 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | February 3, 2027 |
| Days remaining | 84 |
| Protocol | TLSv1.3 |
| Names | backblaze.com, *.backblaze.com, secure.backblaze.com, *.secure.backblaze.com |
Email security
CScore 69/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC applies its policy to only 50% of failing mail.
- warnSubdomains use a weaker policy (sp=quarantine) than the main domain (p=reject).
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: google, selector1, selector2, k1, s1, s2, mandrill).
About backblaze.com
Who is the registrar of backblaze.com?
backblaze.com is registered with Cloudflare, Inc. (IANA ID 1910).
When does backblaze.com expire?
The current registration of backblaze.com expires on April 3, 2027. It was first registered on April 3, 2007.
Does backblaze.com protect its email with SPF and DMARC?
backblaze.com scores 69/100 (grade C) for email security. DMARC applies its policy to only 50% of failing mail. Subdomains use a weaker policy (sp=quarantine) than the main domain (p=reject).
What are the name servers of backblaze.com?
backblaze.com uses kirk.ns.cloudflare.com, dolly.ns.cloudflare.com.