Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimuslearningschool.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 20:06:17 UTC · ↺ Refresh
MX Hostnames
- _dc-mx.1d98096b62f9.optimuslearningschool.com
MX Priorities
- _dc-mx.1d98096b62f9.optimuslearningschool.com: 0
A / AAAA Records
- 172.67.222.81 (no PTR)
- 104.21.17.51 (no PTR)
- 2606:4700:3037::6815:1133 (no PTR)
- 2606:4700:3032::ac43:de51 (no PTR)
Mail Server IPs
- 198.46.93.203 (no PTR)
SOA Record
Raw SOA
meiling.ns.cloudflare.com dns.cloudflare.com 2398135535 10000 2400 604800 1800
Primary NS (mname)
meiling.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398135535
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
meiling.ns.cloudflare.com
rodrigo.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:144.208.70.176 include:smtp.servconfig.com +mx +a +ip4:192.145.239.40 include:relay.mailchannels.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:144.208.70.176 include:smtp.servconfig.com +mx +a +ip4:192.145.239.40 include:relay.mailchannels.net ~all
- _mailchannels.optimuslearningschool.com TXT v=mc1 auth=inmotionhosting
- google-site-verification=hcVZbjX8nE9YVP6vZMdvWDBF9m24GJI9IZIiHBdpe_Y
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