Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tbh.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 22:37:59 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: 20
A / AAAA Records
- 132.148.73.201 ↩ 201.73.148.132.host.secureserver.net
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
arnold.ns.cloudflare.com dns.cloudflare.com 2398368947 10000 2400 604800 1800
Primary NS (mname)
arnold.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398368947
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
liz.ns.cloudflare.com
arnold.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:outboundmail.blackbaud.net include:spf.US.exclaimer.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- SPFv=spf1 include:us._netblocks.mimecast.com include:outboundmail.blackbaud.net include:spf.US.exclaimer.net ~all
- MS=ms71606501
- apple-domain-verification=9eofwEjpQtDegPWB
- atlassian-domain-verification=bXyftUQhcOwMarQY53M3HeNdt6/yiDZKZV4/8jSguQiy7CslhlEQG8kW1EqeNPr9
- atlassian-sending-domain-verification=db2c4bd3-f355-48e5-a642-09fa464d3b2c
- barco-verification=c9e3b546-a3ea-5b24-9995-c64f5f218bab
- cisco-ci-domain-verification=4a26891b0ee5c319932dfe215ec5da6ba0f25ec6ca43356aeb42cb3f6cbd7c7b
- notion_verify_8Xj8HTDcDV3i0qHCGfanDGcjrznkwcyb3HUv1kUAxAyNLz1wWbGpGMXNjw8yzs09rtzy
- tb504pp69pyf6x745hq4gw07c3b3c3ry
- tbh.org: n77m7flfltck0r9jls52b12yvlk7m5d6
- tbh.org: uppSlRmajxxJzY68USeEGBppDHIrz3HZScOIC/E0IY5fd8W+UQDPzbZdMfypAryyLk9281yVUXfbBtR6QFtfGg==
- tbh.org: xx8lgyb6t5gtcdq8bl6wdpbflmtf9smt
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 tbh.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits