aircourse.com

Observed Jul 24, 2026, 19:54 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Email bySalesforce

Secured byGlobalSign

Also usesGoogle Search Console

tranco_100k

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

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

aircourse.com

A / AAAA

54.249.217.1963.113.51.10813.115.197.125

unattributedserves the site

ns-130.awsdns-16.comns-1489.awsdns-58.orgns-1786.awsdns-31.co.ukns-754.awsdns-30.net

awsdns-16.com + awsdns-58.org + moreanswers its DNS

mx-proxy501.heteml.jpmx-proxy502.heteml.jp

Salesforcereceives its email

TLS

*.aircourse.com

GlobalSign nv-saissued its certificate

DNS Records

A 3

54.249.217.196
3.113.51.108
13.115.197.125

MX 2

10mx-proxy501.heteml.jp
10mx-proxy502.heteml.jp

TXT 6

globalsign-domain-verification=Td3PkO80DaWQ41bEiLsb4iq3SVEwjol9Ivqg1bP-OH
google-site-verification=5UE1wLZ51uK_K0gRId3Ci2sYPLHW--H0cste_gq0gUI
pardot1086063=f40e26b043a89d0a0aa202fa89aa718025dd15d7d1173d9e92b547293636399e
sending_domain1086063=3a7877fb904dafb43f1d0dbc4afefe95a4fb222dd1c8e5a67c189a56e7cde45c
v=spf1 include:_spf.heteml.jp include:_spf.activegate-ss.jp include:spf-pvg4.baremetal.jp include:_spf.salesforce.com +ip4:13.113.122.214/24 +ip4:52.198.69.67/24 +ip4:13.112.101.111/24 +ip4:52.199.193.229/24 +ip4:52.193.223.223/24 +ip4:18.176.70.148/24 +ip4:52.198.121.169/24 +ip4:35.77.205.168/24 ~all
v=DMARC1;p=none;rua=mailto:dmarc-reports@aircourse.com;ruf=mailto:dmarc-failure@aircourse.com

NS 4

ns-130.awsdns-16.com
ns-1489.awsdns-58.org
ns-1786.awsdns-31.co.uk
ns-754.awsdns-30.net

SOA 1

ns-754.awsdns-30.net awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common Name	Issuer	Expires
`*.aircourse.com`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018	Sat, 26 Sep 2026 04:54:54 +0000
`GlobalSign RSA OV SSL CA 2018`	2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign	Tue, 21 Nov 2028 00:00:00 +0000

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

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

Ed25519 Receipt

Receipt ID: rcpt_50c0662965b8ad5b
Output Hash: 33c7fd371754218fe66612745482433e66b7c7d9bc8ee86cd14a4a0ad206307b
Signature: ed25519:cd9306d33540622dc4b60fff614356778e84c0979114f354335ea8e48ca996c8f2c11678d89927079042feff61b10f10ca95f97e572f391c6aff4bec8f7eb30c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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