coursesu.com
Observed 2026-06-15T11:16:24.090Z (2h ago). Every field below was attested with an Ed25519 signature at scan time.
Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
aacbb062-2507-4140-b08c-9e440b1f9ce2- Output Hash
3dc44e9086fe44f0e6ccd5a7fdf74eaf790ec2a51fe253e0dddd4fd012f6e305- Signature
ed25519:503081aa17730d8e1e1127971ad6af5bf4df3a235732639079bc5d3ceefe7c59b25be04a4ce260185e211da23248e355ba803fcf15c076f1c9d79ec089c90f06- Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da- Parent
(genesis)- Plane
- fast
DNS Records
A 1
217.70.184.55
MX 5
{"priority":10,"exchange":"ALT3.ASPMX.L.GOOGLE.com"}{"priority":5,"exchange":"ALT1.ASPMX.L.GOOGLE.com"}{"priority":1,"exchange":"ASPMX.L.GOOGLE.com"}{"priority":5,"exchange":"ALT2.ASPMX.L.GOOGLE.com"}{"priority":10,"exchange":"ALT4.ASPMX.L.GOOGLE.com"}
TXT 7
facebook-domain-verification=6z86s9iifi1anmuke5ayborhmshkjzgoogle-site-verification=CzSRrlWtvBBrGSwPXVXnOXl5744L432v0YydjUTemmUv=spf1 include:_spf.mail.as8677.net a:production.digital.systemeu.demandware.net ip4:160.8.114.211 ip4:160.8.114.212 include:_spf.google.com ip4:194.2.211.113 ip4:195.101.47.62 ip4:194.145.8.109 include:spf.sendinblue.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:mail.zendesk.com ~allgoogle-site-verification=eTK2rWbtT9sLsLlGORsghhwPNqQrEwPOUyP1SC4BGoUSendinblue-code:acf7191db73a3450c764f85ded269075v=DMARC1; p=quarantine; pct=100; rua=mailto:ipm612v@ar.glockapps.com, mailto:rua@dmarc.brevo.com; ruf=mailto:ipm612v@fr.glockapps.com; adkim=r; aspf=r; fo=1;v=DKIM1; (detected)
NS 4
ns-220-b.gandi.netns-27-a.gandi.netns-56-c.gandi.netz.dns.gandi.net
SOA 1
{"mname":"ns1.gandi.net","rname":"hostmaster.gandi.net","serial":1781136000}
TLS Certificates (0)
None.