Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
staplespromo.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:03:09 UTC · ↺ Refresh
MX Hostnames
- staplespromo-com.mail.protection.outlook.com
MX Priorities
- staplespromo-com.mail.protection.outlook.com: 5
A / AAAA Records
- 45.223.136.37 (no PTR)
- 45.223.146.37 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.staples.com domainmgmt.staples.com 65 10800 3600 1209600 900
Primary NS (mname)
ns1.staples.com
Admin Email (rname)
domainmgmt@staples.com
Serial
65
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
a1-51.akam.net
a3-64.akam.net
a6-66.akam.net
a12-65.akam.net
a13-65.akam.net
a14-66.akam.net
pdns131.ultradns.biz
pdns131.ultradns.com
pdns131.ultradns.net
pdns131.ultradns.org
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- google-site-verification=RMZeT7MIitkelCFNUccwz7QkFrjQBq1okWlg9I-1u8g
- P/VppIL5iNrBibRrdyr1UkyYcuQ/ymWjFN8ML97qqIHaqmhOjzSD5OwtsH53Em6YIYnAPD8vXmqRINPVLsLowA==
- _l924rs2mp79fy3qkburmo2eeu5z3mfq
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mktomail.com ~all
- KoBSWSX5eT71Er8zrYsm63t5nzlzfAE2I3jumshRhpYRU23MHWefRPjRjNg0NySe9Hl92Oea9jamNLdGezvwXQ==
Full email verification for staplespromo.com
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