indexo.dev

makingmathreal.org

.org error HTTP 530

First seen 2026-06-06 · Last seen 2026-06-20 · crawled 2026-06-07 ·5 attempts

US · 104.21.15.190 · AS13335 Cloudflare, Inc.

Reputation 82/100 crawl error no dmarc policy

http 530

Registration

Registrar
GoDaddy.com, LLC
Created
2001-10-26
Expires
2026-10-26 127 days left
Updated
2025-12-10
Name servers
  • lady.ns.cloudflare.com
  • noah.ns.cloudflare.com

DNS records live

NS
  • lady.ns.cloudflare.com
  • noah.ns.cloudflare.com
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

Email authentication weak

SPF
v=spf1 ip4:52.88.149.52 include:secure.makingmathreal.org include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-16 to 2026-07-15
Expires in 25 days

Full certificate history on crt.sh ↗

Linked from (1)

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