indexo.dev

activecalculus.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-08 · ok HTTP 200 5723 ms crawled 2026-05-11

US · 106.0.62.83 · AS55293 A2 Hosting, Inc.

Reputation 92/100 no dmarc policy

Registration

Registrar
NameCheap, Inc.
Created
2017-08-17
Expires
2026-08-17 90 days left
Updated
2025-07-18
Name servers
  • ns1.a2hosting.com
  • ns2.a2hosting.com

DNS records live

NS
  • ns1.a2hosting.com
  • ns2.a2hosting.com
  • ns3.a2hosting.com
  • ns4.a2hosting.com
MX
  • 0 mail.activecalculus.com

Email authentication weak

SPF
v=spf1 +a +mx +ip4:106.0.62.83 include:spf.a2hosting.com ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtiHkpodB133ZUSgbpKO1QBKiw8Wlbj4WA4sVy2nTw4j0nz/WfJ9MllpSyagacn/SetBFIaCjjcAYbO…
selectors probed

Certificate (current)

R13
from 2026-04-28 to 2026-07-27
Expires in 69 days

Full certificate history on crt.sh ↗

Linked from (1)