Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
johnahartford.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 18:05:22 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 192.124.249.65 ↩ cloudproxy10065.sucuri.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.dnsbycomodo.net admin.dns.com 2025100301 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2025100301
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s
Nameservers (NS)
ns2.dnsbycomodo.net
ns1.dnsbycomodo.net
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:servers.mcsv.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
⚠ Public key (p=) missing in DKIM record for selector selector1.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:us._netblocks.mimecast.com include:servers.mcsv.net -all
- MS=ms28870745
- google-site-verification=2DAxZxsN-5Fx5tNCklumo-4aefK5W-D-e8_0H8d0OXg
- tacompbv0m59326c0v2cdbl9gr
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