CONTINUOUS INTERNET TELEMETRY24H DRIFT1,913 material changesacross 1,726 domains · -165 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,976 curated domains not answering+850 vs yesterdayERRORS14,073 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED37,194 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,913 material changesacross 1,726 domains · -165 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,976 curated domains not answering+850 vs yesterdayERRORS14,073 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED37,194 throttled or blocked our scanner429 rate-limit / 403 bot-block

slackdns.com

Observed Jul 18, 2026, 13:44 UTC (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onCloudflare
Registered withMarkMonitor Inc.
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat slackdns.com actually stands on - every host below is a signed observation
slackdns.com
NS
ns01.slackdns.comns03.slackdns.comdns2.p04.nsone.netns04.slackdns.com+4 more
slackdns.com + nsone.netanswers its DNS

HTTPS probe

server_error Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time35 ms
DNS resolutionNOERROR

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

DNS Records

TXT 2

  • v=spf1 -all
  • v=DNSSEC1; (detected)

NS 8

  • ns01.slackdns.com
  • ns03.slackdns.com
  • dns2.p04.nsone.net
  • ns04.slackdns.com
  • dns3.p04.nsone.net
  • ns02.slackdns.com
  • dns1.p04.nsone.net
  • dns4.p04.nsone.net

SOA 1

  • dns1.p04.nsone.net hostmaster.nsone.net

TLS Certificates (0)

None.

Subdomains (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID
e69e61a6-c896-4ec3-a8b9-43480ed09170
Output Hash
6dd9cc78d56183b3013372afa7cefb51d12b9a78f9db82899bff0e8bc132da25
Signature
ed25519:f9893f7d82da3d6242b241ce1adccca917f2e370087c889ebab737abac7e9bff334107e86aceb0b5d0a15f6cad52e93ffeaf0d7c5524127e927bdfed1bf2c707
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser