iffr.com
Observed Jul 19, 2026, 18:04 UTC (12h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
IPv6 · 5 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat iffr.com actually stands on - every host below is a signed observation
iffr.com
A / AAAA
104.26.0.147104.26.1.147172.67.74.642606:4700:20::ac43:4a40+2 more
Cloudflareserves the site
NS
dave.ns.cloudflare.comcarol.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 308 → https://iffr.com/nl/
HTTP status308
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time27 ms
DNS resolutionNOERROR
Redirect chain
https://iffr.com/nl/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 3
104.26.0.147104.26.1.147172.67.74.64
AAAA 3
2606:4700:20::ac43:4a402606:4700:20::681a:932606:4700:20::681a:193
MX 1
1smtp.google.com
TXT 4
v=spf1 include:_spf.google.com include:servers.mcsv.net include:eu.mailgun.org include:spf.mandrillapp.com ip4:213.127.198.56/29 ip4:37.139.12.89 ip4:188.226.190.156 ip4:188.226.178.19 ip4:37.139.3.98 ip4:188.226.158.113 ip4:128.199.37.231 ip4:198.199.127.234 ip4:192.81.223.80 ip4:37.247.40.64 ip6:2001:4c10:1:220::31 include:_spf.shared.lvl.li ~allv=DMARC1;p=quarantine; sp=quarantine;pct=100;rua=mailto:dmarc-rua@iffr.com;ruf=mailto:dmarc-ruf@iffr.com;ri=86400;aspf=s;adkim=s;fo=0:1:d:sv=DKIM1; (detected)v=DNSSEC1; (detected)
NS 2
dave.ns.cloudflare.comcarol.ns.cloudflare.com
SOA 1
carol.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (5)
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
7d75b2b6-547b-4160-b1f8-7968b89547e3- Output Hash
3434ea55b959344ead1c4d47c529cd3ff7e8e2ffefe0b746149f2db7ecf9cbd0- Signature
ed25519:493ea442b9871913672dd54af46d0eec540110d9f8581ac7351e18b7cea882d7de91fdfa8d77940812c9bda6417b5e5607db7c0c310fa8d03d094554e187d403- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast