armstrong-publications.com
Observed Jul 27, 2026, 04:06 UTC (5d 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
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat armstrong-publications.com actually stands on - every host below is a signed observation
armstrong-publications.com
A / AAAA
173.236.137.11
unattributedserves the site
NS
ns2.dreamhost.comns1.dreamhost.comns3.dreamhost.com
dreamhost.comanswers its DNS
MX
mx1.mailchannels.netmx2.mailchannels.net
mailchannels.netreceives its email
TLS
www.armstrong-publications.com
Let's Encryptissued its certificate
DNS Records
A 1
173.236.137.11
MX 2
0mx1.mailchannels.net0mx2.mailchannels.net
TXT 1
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
NS 3
ns2.dreamhost.comns1.dreamhost.comns3.dreamhost.com
SOA 1
ns1.dreamhost.com hostmaster.dreamhost.com
SRV 1
autoconfig.dreamhost.com:443 p5
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.armstrong-publications.com |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 19 Sep 2026 02:45:29 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for armstrong-publications.com. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/armstrong-publications.com">
<img src="https://domaindrift.io/badge/armstrong-publications.com.svg"
width="300" height="64" alt="DomainDrift signed observations for armstrong-publications.com">
</a>
Ed25519 Receipt
- Receipt ID
rcpt_4a7c288984960469- Output Hash
0a7b2f9eb31f8a87d4b34f92781ab8afa8883ee2b6f5ff811a24bdae32adcc46- Signature
ed25519:d8ae85e304c840a4065b8e1dca5d744a4253b3ffc80dc941b451746054f1982ed53bb1a3e33e71178c7c20d422b3cb4e61f8e9196043f1cea53083d16648e70b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast