aspenapi.com
Observed Aug 16, 2026, 18:47 UTC (3h 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.
Up right now
Email byMailgun
MailgunSecured byLet's Encrypt
Let's Encrypt1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aspenapi.com actually stands on - every host below is a signed observation
aspenapi.com
A / AAAA
151.101.2.159
unattributedserves the site
NS
ns2.markmonitor.comns3.markmonitor.comns5.markmonitor.comns7.markmonitor.com+3 more
markmonitor.comanswers its DNS
MX
mxa.mailgun.orgmxb.mailgun.org
Mailgunreceives its email
TLS
www.aspenapi.com
Let's Encryptissued its certificate
DNS Records
A 1
151.101.2.159
MX 2
10mxa.mailgun.org10mxb.mailgun.org
TXT 1
v=spf1 include:mailgun.org ~all
NS 7
ns2.markmonitor.comns3.markmonitor.comns5.markmonitor.comns7.markmonitor.comns6.markmonitor.comns4.markmonitor.comns1.markmonitor.com
SOA 1
ns1.markmonitor.com hostmaster.markmonitor.com
DMARC_RECORDS 1
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:d8960fad@dmarc.mailgun.org,mailto:xspevvjab6q@inbox.ondmarc.com; ruf=mailto:d8960fad@dmarc.mailgun.org,mailto:xspevvjab6q@inbox.ondmarc.com;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.aspenapi.com |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 21 Sep 2026 00:02:32 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_3a6fc9e7c88c46e4- Output Hash
0628e28d4132b2b47e3af5eac52798ac242ea2d27e58b59a8323292979644d8b- Signature
ed25519:bf62064c182470d2cfa516300ae9fbcc37011e0eef70829f25c503df779960036aa87f1fd3fab3fa67519d2ae4962357bd08f29c72c6dfc5f17265de82375304- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast