drdteam.org
Observed Jul 25, 2026, 18:26 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.
Not responding
Email byGoogle (SPF sender)
Secured byLet's Encrypt
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat drdteam.org actually stands on - every host below is a signed observation
drdteam.org
A / AAAA
45.33.22.1342600:3c00::f03c:93ff:fe85:c4fd
2600serves the site
NS
ns5.linode.comns3.linode.comns2.linode.comns1.linode.com+1 more
linode.comanswers its DNS
MX
mx01.1and1.commx00.1and1.com
Google (SPF sender)receives its email
TLS
drdteam.org
Let's Encryptissued its certificate
DNS Records
A 1
45.33.22.134
AAAA 1
2600:3c00::f03c:93ff:fe85:c4fd
MX 2
20mx01.1and1.com10mx00.1and1.com
TXT 5
v=spf1 mx include:_spf.google.com -allv=spf1 mx include:_spf.google.com -allv=spf1 mx include:_spf.google.com -allv=spf1 mx include:_spf.google.com -allv=spf1 mx include:_spf.google.com -all
NS 5
ns5.linode.comns3.linode.comns2.linode.comns1.linode.comns4.linode.com
SOA 1
ns1.linode.com eruanna.zdoom.org
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
drdteam.org |
C=US, O=Let's Encrypt, CN=YE2 | Wed, 07 Oct 2026 01:42:58 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_b2988d5f23ed9ea0- Output Hash
d77ce7ca9d90d62d3b1e1029b81bc4af48747fc8633da088c98e8f151d6c7fb7- Signature
ed25519:2a9353f56e16871ad92b562a945f66e318b768aaeafe5d71fff61d668768dedff21fc39ff10fa4196c917901ea6c6209213bdfd074ec561fc70c5a8dd6de6908- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast