Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
breakingground.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:56:47 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 1
- usb-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 104.21.96.104 (no PTR)
- 172.67.176.218 (no PTR)
- 2606:4700:3035::ac43:b0da (no PTR)
- 2606:4700:3036::6815:6068 (no PTR)
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
ara.ns.cloudflare.com dns.cloudflare.com 2399233202 10000 2400 604800 1800
Primary NS (mname)
ara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399233202
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ara.ns.cloudflare.com
lynn.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:spf.constantcontact.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];ruf=mailto:[email protected];ri=84600;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
6 records- t30ue33a4d333kmrgadnjko7ae
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:spf.constantcontact.com ~all
- 0ed1fe018a61026a7c6d8c4685aace5a7bc415381b
- 5u65o4d1kv1og92ug1knh0iooh
- 8cb7ih3662hlo037j8inqh4ub8
- YDkhDvVSHxqEpf7EykU29/2KNp0/mvIlbhJ2NhM8CJ8vKo7OLz36Gq5lrVoI5reVdhl5WN1pqBSlB/JosAsjlA==
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