indexo.dev

sealedenvelope.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 1564 ms crawled 2026-05-16

GB · 134.213.49.173 · AS15395 Rackspace Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
Sealed Envelope | Randomisation (randomization) and online databases for clinical trials
Description
Sealed Envelope provide high quality and easy to use online software applications for randomising patients into clinical trials and recording their case report form data (EDC and ePRO)
Language
en

Technology

Server
Apache

Third-party hosts loaded (2)

  • ajax.googleapis.com×2
  • stackpath.bootstrapcdn.com×1

Contact

Phone

Registration

Registrar
Gandi SAS
Created
2001-05-05
Expires
2027-05-05 351 days left
Updated
2025-10-24
Name servers
  • ns.rackspace.com
  • ns2.rackspace.com

DNS records live

NS
  • dns1.stabletransit.com
  • dns2.stabletransit.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
  • 50 aspmx3.googlemail.com
TXT
  • brevo-code:c3618da11480740f2cb9f99ea4ffc368
  • google-site-verification=KFepgcrsel0ILd52H697WX_x34faetjPScjPZls2Qco

Email authentication strong

SPF
v=spf1 a ip4:134.213.60.25 ip4:162.13.157.238 include:_spf.google.com include:spf.mtasv.net ip6:2a00:1a48:7807:102:be76:4eff:fe08:5c0a ip6:2a00:1a48:7808:104:be76:4eff:fe08:14c include:spf.sendinblue.com mx ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:re+nsh5pirvynt@dmarc.postmarkapp.com; sp=reject; aspf=r;
policy: reject (enforced) · sp=reject
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyrJB9wwx4ifdYNbZSfGmt7i5APT1XGx/BXXDTAQYjeNc2Cf5FR4X8k7EeVzXL0dvb+qrvqvNKzOZxPpIMyS…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R13
from 2026-03-30 to 2026-06-28
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.sealedenvelope.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubDomains

Links to (7)

Linked from (1)