indexo.dev

opsera.io

.io crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP 200 2602 ms crawled 2026-05-08

US · 141.193.213.20 · AS209242 Cloudflare London, LLC

Reputation 95/100 weak security headers

DNS records live

NS
  • ns-1263.awsdns-29.org
  • ns-1882.awsdns-43.co.uk
  • ns-281.awsdns-35.com
  • ns-923.awsdns-51.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • new-relic-domain-verification=47744612adde4f7d96ed037fe606f2f4
  • v=MCPv1; k=ed25519; p=nyNaifb3brdVTsYkrXCOaqqUlhmIxtpIvMlzW4QGRCY=
Verified for
  • Atlassian
  • Cursor
  • Google
  • Microsoft 365
  • Zoho
  • Zoom

Email authentication strong

SPF
v=spf1 include:amazonses.com include:_spf.google.com include:_spf.salesforce.com include:7462438.spf05.hubspotemail.net ip4:3.93.157.0/24 ip4:3.210.190.0/24 ip4:18.208.124.128/25 ip6:2001:4860:4000::/36 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:marketing@opsera.io; ruf=mailto:marketing@opsera.io; rf=afrf; sp=none; fo=1; pct=100; ri=0; adkim=r; aspf=s
policy: quarantine · sp=none
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNC2JtpNoctRsDi9a3Nyx9m2a/n6YJwpBBHkmFHs2gMcEKqagRKlLaY31WSd60iq1cl18SgTBbsTh4BR6NOO…
  • s1: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCof1W9C9+htPF8XOuDuIel/SIUYQhAPevGcognFG2CwGuuZ/4fZuixqC1DZbsCmcw5DQg1/qPh8pPWEI1FAt7Fj7…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgBaPoJzn9uo9fVLN6AZRIP09hPNyCpXHn69/eyVjolzFtM1PsIRYCUy3wyFgor5OY7OkosrkBA4SmZN1fyo52C1…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

WE1
from 2026-03-22 to 2026-06-20
Expires in 31 days

Full certificate history on crt.sh ↗

Linked from (2)