Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
giantsenterprises.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 08:20:31 UTC · ↺ Refresh
MX Hostnames
- giantsenterprises-com.mail.protection.outlook.com
MX Priorities
- giantsenterprises-com.mail.protection.outlook.com: 0
A / AAAA Records
- 130.211.200.9 ↩ 9.200.211.130.bc.googleusercontent.com
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns-127.awsdns-15.com
ns-1424.awsdns-50.org
ns-1660.awsdns-15.co.uk
ns-664.awsdns-19.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.32.146.0/24 ip4:209.102.220.0/22 ip4:206.16.207.17 include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
4 records- Gf5GdeBDdrfm5DXHuQfIHPMvoTdjXVnpp3sVAXCW1X0Sy7exJrzfTT5yBWktNxN/kVoZuOgLa5Pa3d3pLPaq+w==
- MS=ms25325650
- SPFv=spf1 ip4:216.32.146.0/24 ip4:209.102.220.0/22 ip4:206.16.207.17 include:spf.protection.outlook.com include:mailgun.org ~all
- 0ed1fe018ad1af1d5b242142ea86a4a610a5f4a26f
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 giantsenterprises.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits