macmillan.org.uk
Observed Jul 22, 2026, 00:45 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onMicrosoft Corporation
Email byMandrill (Mailchimp)
Secured bySectigo
Registered withTeam Blue Internet Services UK Limited t/a Team Blue Internet Services Limited t/a LCN
Also usesDocuSignFacebook/MetaMiroGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat macmillan.org.uk actually stands on - every host below is a signed observation
macmillan.org.uk
A / AAAA
20.49.159.178
Microsoft Corporationserves the site
NS
dns2.stabletransit.comdns1.stabletransit.com
stabletransit.comanswers its DNS
MX
d240115.a.ess.uk.barracudanetworks.comd240115.b.ess.uk.barracudanetworks.com
Mandrill (Mailchimp)receives its email
TLS
*.macmillan.org.uk
Sectigo Limitedissued its certificate
DNS Records
A 1
20.49.159.178
MX 2
10d240115.a.ess.uk.barracudanetworks.com20d240115.b.ess.uk.barracudanetworks.com
TXT 16
duo_sso_verification=m9425Ye0nxGfTDux7BmL4x0AbqTv0on0olWsJbCffmHGqbnMbKudhXWv8U2mUPG2UpNrFASzYjSGoRrAGfz/+5dvuVGY30jH3M1oiDfn2wcXLbcX47gLfAATusl8Q4Sbc/VP6LugjoURW2XfIE/YsA==a24e896cca8e98c931f661feb3e56bf7604968a5onetrust-domain-verification=6d85bbf21db34db499e964841314fbbcMS=ms95285233v=spf1 ip4:46.227.49.232/32 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.mandrillapp.com include:_spf.e-activist.com -alldocusign=79b1be5d-a756-49cc-91f2-f1a154739fd5facebook-domain-verification=yf27unafebdydm2j1ek8h45pmr38nvmiro-verification=a24e896cca8e98c931f661feb3e56bf7604968a5Dynatrace-site-verification=120ce4a9-1885-4aa0-a1b5-59d43d0d7e1d__aq7ukqgr0p4m0l1ej6v0q3c411
NS 2
dns2.stabletransit.comdns1.stabletransit.com
SOA 1
ns.rackspace.com DomainNames.macmillan.org.uk
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.macmillan.org.uk |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 | Fri, 16 Oct 2026 23:59:59 +0000 |
Sectigo Public Server Authentication CA OV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Wed, 21 Mar 2046 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 receiptEd25519 Receipt
- Receipt ID
rcpt_17632fdc4304677d- Output Hash
057a28be0934f080b9ebd6cc20d9a87f15f20ca39da0040a00fcf78c17217e90- Signature
ed25519:96003c4e2c63902b5fcdd1017b14c4968dc818e6e9790049811244fc0a512782458d51a2de9cdebb796fe7ec001903492b001860d560f30d9ddc7fd26d87930a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast