Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isda.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 17:37:35 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 98.90.168.243 ↩ ec2-98-90-168-243.compute-1.amazonaws.com
- 100.50.175.126 ↩ ec2-100-50-175-126.compute-1.amazonaws.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-840.awsdns-41.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-840.awsdns-41.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-840.awsdns-41.net
ns-1247.awsdns-27.org
ns-1565.awsdns-03.co.uk
ns-33.awsdns-04.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mail.isdagroup.net ip4:54.174.66.98 ip4:3.221.251.11 ip4:136.143.188.0/24 ip4:205.201.41.56/32 ip4:205.201.40.49/32 include:45898981.spf02.hubspotemail.net include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:em1210.isda.org ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=20
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- google-site-verification=OdjI_ga6CbO6fa1BiCeWvksSUbgTO_n57b44ftFLo9U
- ppe-91cc74717af7c9de641c
- SPFv=spf1 a:mail.isdagroup.net ip4:54.174.66.98 ip4:3.221.251.11 ip4:136.143.188.0/24 ip4:205.201.41.56/32 ip4:205.201.40.49/32 include:45898981.spf02.hubspotemail.net include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:em1210.isda.org ~all
- /oFcqMPNstcSUQ1/TNf5RFQT7T+80HL+J94zTZS+2WCA+6AcChTHaBh6EJz0acMLOh4yt5Vr8MP2PPs/XHjRMA==
- MS=ms82756976
- apple-domain-verification=h0ROGyi5da29d51l
- atlassian-domain-verification=67Y8LSz86J62I7alWewIYzxUFcTt5J5aUTtWTrAJhqAaOPTEezMuBlvyxosVTrhx
- atlassian-sending-domain-verification=e867c5dd-303b-406c-ba84-24784b4ae88a
- canva-site-verification=8AVWvcf8QmIBosCIs-mFDA
- docusign=897c7f70-233a-4275-862c-b64657fb00b8
- google-site-verification=Fr7Ch5H03f1vDQvW3EfGHCqsYqJCRhybRFYcHq6-P4I
- google-site-verification=O21LXM4_8y0tim_IsoHLGCn7vfD0etFuoriZiuX2J0k
Full email verification for isda.org
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