repligen.com

Observed 2026-07-15T00:36:49.666Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMimecast

Registered withNetwork Solutions, LLC

Also usesGoogle Search ConsoleAtlassian

IPv6 · 6 subdomains · pharma_biotech

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat repligen.com actually stands on - every host below is a signed observation

repligen.com

A / AAAA

104.20.22.252172.66.175.232606:4700:10::6814:16fc2606:4700:10::ac42:af17

Cloudflareserves the site

holly.ns.cloudflare.comharvey.ns.cloudflare.com

cloudflare.comanswers its DNS

us-smtp-inbound-2.mimecast.comus-smtp-inbound-1.mimecast.com

Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.repligen.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1726 ms

DNS resolutionNOERROR

Redirect chain

https://www.repligen.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

104.20.22.252
172.66.175.23

AAAA 2

2606:4700:10::6814:16fc
2606:4700:10::ac42:af17

MX 2

10us-smtp-inbound-2.mimecast.com
10us-smtp-inbound-1.mimecast.com

TXT 13

google-site-verification=bzHu_q102Lo-McDu-bxkiEDodheyICu5v_-A24Kb7vI
google-site-verification=eVjpkebVwnUO4RssTUM_YUjuwTvaOsftuhaonuaRTMc
ilSntCBhtvAlcbMO9fPuwfNxZ6J2fPAMmvJTpKTK3zchRb6PqhS4ny8fjRsVqbBUSvIItVSTzlB4DP/CVmmV5w==
ca3-879e65a085bc4ac29ffcf425d6917763
google-site-verification=bCasN0SUFNBDO-Jvlkhg3k_A06_9-tcEtoIYqBQyjac
pardot463902=db5332d23c847ef243916e1ffd87d3b2c99d263c5aec6ca31914dcd4a6d589ac
smartsheet-site-validation=UdP2mQeHk7UmpyIVaA5lnBGRCpFRXg7-
atlassian-domain-verification=2MdccO9NN9OOkxTi8cuMuXsx4XIYMiUx0YNFanKzC3tru2fQAEowBZThxy9Stgah
v=spf1 redirect=9kf4psle._spf._d.mim.ec
00da0000000jtwhmaw

NS 2

holly.ns.cloudflare.com
harvey.ns.cloudflare.com

SOA 1

harvey.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (6)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for repligen.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/repligen.com">
  <img src="https://domaindrift.io/badge/repligen.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for repligen.com">
</a>

Ed25519 Receipt

Receipt ID: 96e92ba7-df39-4e45-8437-03b297b521c1
Output Hash: d0c7b4b58edd4bee1f71991dfaa13d383eeeb2e442e27751eac6737f43d5d101
Signature: ed25519:45e048792eb59e6820881bedfdd6eeae956505a5495e255e5e95b646ff2225157b80cb07948385c4747364e083d39d2babc1ac2f3a2c1df15a910ebf1d84b10c
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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