Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grubbventures.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 01:05:14 UTC · ↺ Refresh
MX Hostnames
- grubbventures-com.inbound.emailservice.cc
- grubbventures-com.inbound.emailservice.io
- grubbventures-com.inbound.emailservice.co
MX Priorities
- grubbventures-com.inbound.emailservice.co: 30
- grubbventures-com.inbound.emailservice.cc: 20
- grubbventures-com.inbound.emailservice.io: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns63.worldnic.com namehost.worldnic.com 126011615 10800 3600 604800 3600
Primary NS (mname)
ns63.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126011615
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns64.worldnic.com
ns63.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- _aj5olrv9cm4od688ef1lfeolytk8gkr
- SPFv=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
- o8ckqk2orqbip28rc6qj7qg43b
- v21n6vvg1gz564drrppyxg4hywfch8bb
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