Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sullivansupply.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:19:12 UTC · ↺ Refresh
MX Hostnames
- sullivansupply-com.mail.protection.outlook.com
MX Priorities
- sullivansupply-com.mail.protection.outlook.com: 1
A / AAAA Records
- 104.26.0.184 (no PTR)
- 104.26.1.184 (no PTR)
- 172.67.73.207
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
joan.ns.cloudflare.com dns.cloudflare.com 2398574525 10000 2400 604800 1800
Primary NS (mname)
joan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398574525
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
john.ns.cloudflare.com
joan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:165.227.186.124 ip4:173.203.187.67 include:emailsrvr.com include:spfa.cpmails.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- D05661FBCE
- MS=ms23825635
- c1vbuq9ga82hu3eistrrvhd0fv
- google-site-verification=C1KZPqx3ZY_F5M6UsbmFgoKotpp_UMUE4uFgfPP2jt8
- google-site-verification=JvO0cQ-VFYFa4dchXQZ3CITdOwJYUboHTCqI7FHO5uM
- klaviyo-site-verification=Rfs87B
- SPFv=spf1 ip4:165.227.186.124 ip4:173.203.187.67 include:emailsrvr.com include:spfa.cpmails.com include:spf.protection.outlook.com ~all
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 sullivansupply.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits