zimbra.com

Observed 2026-07-15T05:37:00.862Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMimecast

Registered withCSC Corporate Domains, Inc.

Also usesHubSpot

IPv6 · 7 subdomains · tranco_5k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat zimbra.com actually stands on - every host below is a signed observation

zimbra.com

A / AAAA

23.185.0.22620:12a:8001::22620:12a:8000::2

Cloudflareserves the site

dns3.p05.nsone.netdns1.p05.nsone.netdns4.p05.nsone.netdns2.p05.nsone.net

nsone.netanswers its DNS

us-smtp-inbound-2.mimecast.comus-smtp-inbound-1.mimecast.com

Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.zimbra.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time84 ms

DNS resolutionNOERROR

Redirect chain

https://www.zimbra.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

23.185.0.2

AAAA 2

2620:12a:8001::2
2620:12a:8000::2

MX 2

10us-smtp-inbound-2.mimecast.com
10us-smtp-inbound-1.mimecast.com

TXT 3

cisco-ci-domain-verification=681f562fa07c58c993c8bfde487542cb70b5b5eef7753e423d2ff666ce4f33b5linkedin-site-verification=ae9a3118-fc72-40a5-9e5a-246a2fda8ebc0ed1fe018af82aa0df68164d5ebf2117796408d42c
v=spf1 ptr mx ip4:52.7.157.95 ip4:52.70.125.224 ip4:52.204.246.185 ip4:52.205.85.65 ip4:66.64.15.66 ip4:167.89.32.168 ip4:173.227.76.247 ip4:14.141.104.38 ip4:193.122.206.174 ip4:193.122.199.60 ip4:129.213.200.110 ip4:150.136.98.232 ip4:150.136.146.2 ip4:129.80.213.239 ip4:193.122.157.30 ip4:141.148.3.168 ip4:129.213.104.172 ip4:193.122.141.196/32 ip4:150.136.208.81/32 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:212115.spf01.hubspotemail.net include:4366039.spf01.hubspotemail.net -all
v=DMARC1;p=reject;rua=mailto:dmarc@zimbra.com;ruf=mailto:dmarc@zimbra.com;aspf=s;sp=none

NS 4

dns3.p05.nsone.net
dns1.p05.nsone.net
dns4.p05.nsone.net
dns2.p05.nsone.net

SOA 1

dns1.p05.nsone.net hostmaster.nsone.net

CAA 3

issue pki.goog; cansignhttpexchanges=yes
issue letsencrypt.org
issue digicert.com

TLS Certificates (0)

None.

Subdomains (7)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for zimbra.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/zimbra.com">
  <img src="https://domaindrift.io/badge/zimbra.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for zimbra.com">
</a>

Ed25519 Receipt

Receipt ID: efd53394-2970-4f87-bff2-924106753603
Output Hash: 5523210831562db097831264014dd452ee7f7001f85a07cca76f9a0cbcf833c0
Signature: ed25519:527efc886e6f47318cc710fd00727aef6deec640d30c86bbcb1c69f42fca597cd43f9ab94a7b18184c68f41e977098b1392aabfe909b56cb6e3e7c43a7b92e07
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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