Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spencerfane.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 06:33:38 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 162.159.134.42 (no PTR)
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-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
xbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 204 83000 10000 600000 83000
Primary NS (mname)
xbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
204
Refresh
83000s
Retry
10000s
Expire
600000s
Minimum TTL
83000s
Nameservers (NS)
cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
13 records- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
- box-domain-verification=2faea699c33252ba751e75e6566bdd458a9a1657115a3f8ffb354b9da67432f6
- apple-domain-verification=4sABIR3HKfRvnYGI
- 15QjysS7ptmkD25c528xb4g0dSvpBNEuU/4bHKeCTxpt2dLPsBC0geR/wS4+E4E4ov0cgtHW8YHrquK27PkmFA==
- webexdomainverification.=4153fc82-5249-4cbd-a24a-26d197d8a934
- cisco-ci-domain-verification=78c5557b727eec3edabced16c9925e8f686a61cb21b65a510e7a106d6b33a7f
- ZOOM_verify_YDgQ2wwwiteo0kjxXPJHRl
- pardot996561=b1e62be2c9e9f8ad427fbbe3724761a21d76e0216d810d220bc493a833d7c93d
- teamviewer-sso-verification=ba4cb2625e0241cea9ad7e3898306449
- sending_domain996561=2e7c90c26fbc2c32e52cd934f4283b31bfd90df93e1cf576ba5817503ff7d190
- knowbe4-site-verification=3229cb27276e86889bc18c28e15f9aaf
- b2d21ff39057dd6fea3fc3fc94a920efadd6023738aa6c7183
- apple-domain-verification=jBmGicI_lXAwTFV81ErbH2BAWnmSCuQfQdwo286BXvQ
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 spencerfane.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits