Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gigharbortaxandaccounting.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:52:48 UTC · ↺ Refresh
MX Hostnames
- gigharbortaxandaccounting-com.mail.protection.outlook.com
MX Priorities
- gigharbortaxandaccounting-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.220.225.62 ↩ ec2-3-220-225-62.compute-1.amazonaws.com
- 52.5.206.218 ↩ ec2-52-5-206-218.compute-1.amazonaws.com
- 3.225.142.148
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1300.awsdns-34.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1300.awsdns-34.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-536.awsdns-03.net
ns-1300.awsdns-34.org
ns-1635.awsdns-12.co.uk
ns-354.awsdns-44.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 mx include:secureserver.net -all
- NETORGFT9103787.onmicrosoft.com
- google-site-verification=oLSOd7OJx_ryLo9wSIwI5qgHo-h9zpehDM_2T5C_tB8
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 gigharbortaxandaccounting.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits