zulip.com

Observed 2026-07-17T19:04:22.992Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withNameCheap, Inc.

Also usesGoogle Search Console

IPv6 · 96 subdomains · ecommerce

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

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

zulip.com

A / AAAA

98.85.176.1435.170.102.11654.146.109.10652.203.216.113+8 more

Cloudflareserves the site

ns-1206.awsdns-22.orgns-427.awsdns-53.comns-1854.awsdns-39.co.ukns-806.awsdns-36.net

awsdns-22.org + awsdns-53.com + moreanswers its DNS

alt1.aspmx.l.google.comaspmx3.googlemail.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time340 ms

DNS resolutionNOERROR

MCP This domain advertises an AI service endpoint at _mcp._tcp.

v=spf1 -all

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

DNS Records

A 6

98.85.176.14
35.170.102.116
54.146.109.106
52.203.216.113
34.235.175.7
100.56.54.131

AAAA 6

2600:1f18:414:db48:c654:8ea1:e2da:fe70
2600:1f18:414:db80:71b6:bb30:cde3:a567
2600:1f18:414:db32:350f:ab40:beaf:8797
2600:1f18:414:db00:e5e3:7db0:3ab0:45c
2600:1f18:414:db64:c438:40d5:9068:c84
2600:1f18:414:db16:4d22:2618:50f:8cf1

MX 5

5alt1.aspmx.l.google.com
10aspmx3.googlemail.com
5alt2.aspmx.l.google.com
10aspmx2.googlemail.com
1aspmx.l.google.com

TXT 9

google-site-verification=PM2i77lQZbZ41LSxXD5v4y7g7CE0LFXdJdYy3ejfuow
google-site-verification=9Jv0wj8luedHthbKsLItU6B2HpdPeynsMOD41km1VqY
v=spf1 include:_spf.google.com include:amazonses.com include:mailgun.org -all
google-site-verification=3Es_BXEZ7HqL0XycxzjS9N4GQcC6k7dG4DPaxvl-WUQ
abuseipdb-verification=zuewz0Gw
MS=A39F8513BE669C8E81B8A81F4623ACA149454E87
v=DMARC1; p=reject
v=DKIM1; (detected)
v=spf1 -all

NS 4

ns-1206.awsdns-22.org
ns-427.awsdns-53.com
ns-1854.awsdns-39.co.uk
ns-806.awsdns-36.net

SOA 1

ns-806.awsdns-36.net awsdns-hostmaster.amazon.com

CAA 2

issue letsencrypt.org
issue amazontrust.com

TLS Certificates (0)

None.

Subdomains (96)

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 zulip.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: e5dc24b8-13a8-400b-bfc1-0814462a8625
Output Hash: 1d496440187db18a11aae527eb234456244e8b1563b084bf84452d79afba64aa
Signature: ed25519:328247cd45eac5920c33b145b6fde31d8f8751503b5018eae0d28c946eb6d9a10039cd06eaafac8bd4b6c3e9f2c0079dd0504c5858265b17fee46413f78e5c00
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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