domtar.com

Observed 2026-07-17T12:21:23.717294856+00:00 (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Secured byLet's Encrypt

Registered withNamescout Ltd

Also usesFacebook/MetaGoogle Search Console

fortune_500

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

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

domtar.com

A / AAAA

141.193.213.10141.193.213.11

Cloudflareserves the site

udns1.ultradns.netudns2.ultradns.net

ultradns.netanswers its DNS

mxa-001d9701.gslb.pphosted.commxb-001d9701.gslb.pphosted.com

Proofpointreceives its email

TLS

domtar.com

Let's Encryptissued its certificate

DNS Records

A 2

141.193.213.10
141.193.213.11

MX 2

10mxa-001d9701.gslb.pphosted.com
10mxb-001d9701.gslb.pphosted.com

TXT 32

MS=ms53490593
wpe-verification=domtarwpe
8fv3vsq5b7kdgm2wlg53q7y37v71nl6z
8wv4cb53mj1326sf3tbt6crgnlz9qy1h
_8k3tv1kulc1eu4zosnkafwokuj7apyu
_ns6pk5f8il720d6z7hwgj9s35p70vv6
_odb3izbmrn112mrh5axl0camc5ygqi7
_wbuzu472ph9lqyn18kbbjgyyr1v7pjm
yrgf7cs3tgrwrz4614v740b29sbm2jtg
apple-domain-verification=VctOnrajgigUJksO

NS 2

udns1.ultradns.net
udns2.ultradns.net

SOA 1

udns1.ultradns.net admintelecom.domtar.com

SRV 7

expe-1.domtar.com:5060 p10
expe-2.domtar.com:5060 p10
expe-1.domtar.com:5061 p10
expe-2.domtar.com:5061 p10
expe-1.domtar.com:5269 p10
expe-2.domtar.com:5269 p10
autodiscover.domtar.com:443 p1

TLS Certificates (4)

Common Name	Issuer	Expires
`domtar.com`	C=US, O=Let's Encrypt, CN=YE2	Thu, 24 Sep 2026 21:17:51 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

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 receipt

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

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

Ed25519 Receipt

Receipt ID: bf63fabc-9840-42da-92ed-284c1df383b5
Output Hash: 8649bae63bc583f4b58ffb2c05b4a0cdb2b0c85c4f1362c6f13b94a7fd9cb29f
Signature: ed25519:7fcfe2881212ca0b0aaee5a1035e4ed30e4ad95969af0e4e4efbb317508bc875039ff2add0b1fa85f69e8d5d45d3108d875ab185ecdbff4dd3a9d69606e9870e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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