doublefs.com
Observed Jul 28, 2026, 22:57 UTC (14h 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
Signed observation on record.
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat doublefs.com actually stands on - every host below is a signed observation
doublefs.com
NS
ns4.dnsv4.comns3.dnsv4.com
dnsv4.comanswers its DNS
MX
mx1.feishu.cnmx2.feishu.cnmx3.feishu.cn
feishu.cnreceives its email
DNS Records
MX 3
10mx1.feishu.cn20mx2.feishu.cn30mx3.feishu.cn
TXT 5
MS=ms70046784MS=ms84845387v=spf1 +include:_netblocks.m.feishu.cn ~allgoogle-site-verification=rIdlb7AfCcZ-pRor-eBUF-eAD9TcnNMyEihEHLPrujwv=DMARC1;p=quarantine;pct=100;rua=mailto:report@doublefs.com
NS 2
ns4.dnsv4.comns3.dnsv4.com
SOA 1
ns3.dnsv4.com enterprise2dnsadmin.dnspod.com
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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for doublefs.com. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/doublefs.com">
<img src="https://domaindrift.io/badge/doublefs.com.svg"
width="300" height="64" alt="DomainDrift signed observations for doublefs.com">
</a>
Ed25519 Receipt
- Receipt ID
rcpt_034c191e64dacda8- Output Hash
4b71c3c1f06426bd02bad25f91c1a9a93f31b1cce4bd10da2f174bdf56f2513b- Signature
ed25519:de6fbea6a43b2056f45feabfeee8a5c54584932688e600e1807955c38bb29f8df3206f6bef7c85f3df430b3a5a312b50b1e611af3abd33887ba7b732f4e40707- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast