donotcall.gov
Observed 2026-07-12T09:10:35.883Z (18h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat donotcall.gov actually stands on - every host below is a signed observation
donotcall.gov
A / AAAA
13.226.251.3113.226.251.12413.226.251.9013.226.251.27
Cloudflareserves the site
NS
ns-1183.awsdns-19.orgns-832.awsdns-40.netns-1986.awsdns-56.co.ukns-16.awsdns-02.com
awsdns-19.org + awsdns-40.net + moreanswers its DNS
MX
donotcall-gov.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time312 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 4
13.226.251.3113.226.251.12413.226.251.9013.226.251.27
MX 1
10donotcall-gov.mail.protection.outlook.com
TXT 8
v=spf1 ip4:205.130.212.0/23 ip4:207.123.150.0/24 ip4:207.123.152.0/24 ip6:2001:1900:2268::/47 ip4:34.204.247.90 ip4:34.206.93.229 ip4:35.163.160.186 ip4:35.162.81.16 include:spf.protection.outlook.com -all_e28kl860icrecgq3phq0sy8p6q6drdf9z2k5p98pzd49nrnk2rt80vjf5nlz5gw_9qjafu7fsdip6ojnot6wp5e1h5yeh3lMS=ms37632868v=DMARC1; p=reject; rua=mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:reports@dmarc.cyber.dhs.gov; fo=1v=DKIM1; (detected)v=DNSSEC1; (detected)
NS 4
ns-1183.awsdns-19.orgns-832.awsdns-40.netns-1986.awsdns-56.co.ukns-16.awsdns-02.com
SOA 1
ns-1986.awsdns-56.co.uk awsdns-hostmaster.amazon.com
TLS Certificates (0)
None.
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 receiptEd25519 Receipt
- Receipt ID
f88cca34-0bda-419e-b2a5-a0671baf7fb8- Output Hash
f82652db2225880d44c95c80f632e523e350dbe8da222f48decb7540de6d97b9- Signature
ed25519:86fc5b3be1308b6a7e0317b39888b99a1c165ff5d9744399f6b9c1e5ce201e88e26a54d4a1f1ef0e48486e828becb890104245e6124d2778cf9f22d313faf00a- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast