Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
staplesadvantage.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:31:00 UTC · ↺ Refresh
MX Hostnames
- staplesadvantage-com.mail.protection.outlook.com
MX Priorities
- staplesadvantage-com.mail.protection.outlook.com: 5
A / AAAA Records
- 23.54.217.240 ↩ a23-54-217-240.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.staples.com rm-hostmaster.ems.att.com 609 3600 3600 604800 3600
Primary NS (mname)
ns1.staples.com
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
609
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
a13-65.akam.net
a14-66.akam.net
a1-51.akam.net
a12-65.akam.net
a3-64.akam.net
a6-66.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mktomail.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
5 records- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mktomail.com ~all
- Lqrls9rHCsXV6GO/MUtFhqBihF4FNcq+j/0eBCs0n9Kd0LA9zSGukgdJAYS08pn+FoBg93XFhlVtp2zpbgz+4Q==
- adobe-idp-site-verification=fbda9ca8c5716bf94225e724e4d44e30436cd25da832155c6ab8078db9c18df8
- google-site-verification=yi487GDM92y9LJztqwTc_vJDgsS6Wqt_HPrBXwUxDkk
- Eb0v68qtkj8CCHPniA3NGBp5iOCzZJWaczkXU69nTXHBePIubRfUyzYNM324IvvycDjHpTDWonYh7SedkKSrvQ==
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 staplesadvantage.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits