Domain Overview
DNS: ✓ 9d ago
Checker: ✓ 9d ago
altaplanning.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-06 17:37:06 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 172.67.190.149 (no PTR)
- 104.21.81.192 (no PTR)
- 2606:4700:3035::6815:51c0 (no PTR)
- 2606:4700:3035::ac43:be95 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
naomi.ns.cloudflare.com dns.cloudflare.com 2408316953 10000 2400 604800 1800
Primary NS (mname)
naomi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2408316953
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
naomi.ns.cloudflare.com
sean.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.google.com ip4:67.208.101.138 ip4:72.47.228.0/22 ip4:72.47.247.153/30 ip4:216.70.64.0/24 include:us._netblocks.mimecast.com include:spf.smtp2go.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
google._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
6 records- SPFv=spf1 a mx include:_spf.google.com ip4:67.208.101.138 ip4:72.47.228.0/22 ip4:72.47.247.153/30 ip4:216.70.64.0/24 include:us._netblocks.mimecast.com include:spf.smtp2go.com ~all
- 12o1em91eek3trsierscemdhom
- MS=ms27988517
- MS=ms58210438
- Target: 0ed1fe018abbd94a0b253f40c1b17172bbabe52d77
- atlassian-domain-verification=CcUq9FuIHxfgy0KVND7HsFgk9E7hZE//ASqd/5SE8OVJ2/vAJB1mIquwToMSVEMa
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 · Customize →
See demo & docs
Deep verification
Full email verification for altaplanning.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits