degruyter.com

Observed 2026-07-12T22:01:15.350Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also uses1PasswordDocuSignGoogle Search ConsoleAtlassian

9 subdomains · tranco_10k

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

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

degruyter.com

A / AAAA

18.158.78.2952.29.232.10663.185.171.12

Cloudflareserves the site

ns-1691.awsdns-19.co.ukns-211.awsdns-26.comns-1049.awsdns-03.orgns-986.awsdns-59.net

awsdns-19.co.uk + awsdns-26.com + moreanswers its DNS

degruyter-com.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.degruyter.com:443/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time664 ms

DNS resolutionNOERROR

Redirect chain

https://www.degruyter.com:443/

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

DNS Records

A 3

18.158.78.29
52.29.232.106
63.185.171.12

MX 1

0degruyter-com.mail.protection.outlook.com

TXT 20

v=spf1 ip4:46.30.81.128/27 ip4:217.110.58.242 ip4:72.22.165.246 ip4:46.30.84.112/28 ip4:107.21.37.86 ip4:81.223.2.116 ip4:62.214.112.206 include:spf.protection.outlook.com include:spf1.degruyter.com include:spf2.degruyter.com -all
prowly-verification=7c269f015364240884965b030bec4411ff818929c7ff34ee13ad9555e1c8ada3
1password-site-verification=3KPKUV4EKFHUFKRKTETBX4Q634
amazon-business-verification=36f872ac193df43266ab465883054c72c44752ac3f36e71a896b49b7dfe79dc2
docusign=f5510ae0-b6c6-4d18-ba87-1b9277d17f91
MS=61CB4E998F5258CE72948134C2C5ADF19BFC0EF7
apple-domain-verification=zE3yfpWsZW3x4Bv
google-site-verification=EtmVhR8-B9Ild0vWnXRig6_6jNS8WlsCGF5ZOykDOfU
atlassian-sending-domain-verification=bda51a85-6b5f-430b-91c0-e35225da05b2
sending_domain1090872=b346eb3e659bb3d0dbd9d263975dafde0fbb1da5ed8e64dcfdad4eebe94db20c

NS 4

ns-1691.awsdns-19.co.uk
ns-211.awsdns-26.com
ns-1049.awsdns-03.org
ns-986.awsdns-59.net

SOA 1

ns-1049.awsdns-03.org awsdns-hostmaster.amazon.com

CAA 6

issue letsencrypt.org
issuewild digicert.com
issuewild amazon.com
issue amazon.com
issue sectigo.com
issue digicert.com

TLS Certificates (0)

None.

Subdomains (9)

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 degruyter.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 92b7de56-4ab2-4c5f-aaca-1434cb801cc1
Output Hash: d409994d9472f4552f5e9acee7184bd4a7d408daf2fd2028a71f73115492187d
Signature: ed25519:a8d4deccd1ecc9d5ddecdb215231cc8e19c7dc70739aabb0db983113f9fe95146bbf42a64b88bf0b7e3f570c3e3e314d075a33b2274b7844cde23573e6da2205
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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