Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chestnutholdings.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:48:54 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 192.124.249.11 ↩ cloudproxy10011.sucuri.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns49.domaincontrol.com dns.jomax.net 2026010800 28800 7200 604800 3600
Primary NS (mname)
ns49.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns49.domaincontrol.com
ns50.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ~all
- google-site-verification=s7Fuwzolm2PNgRSU0dMzMvWSfhJBvvnnJ9ofFKrGCOQ
- google-site-verification=wrEcR5EUVEdCwYnKTpZiOKAWn7MKcnxthfdnkcRyeIk
- 0ed1fe018a42d823f0c8094812b66d14351c14b9ce
- MS=ms34766568
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for chestnutholdings.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits