Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unitedpiping.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:46:24 UTC · ↺ Refresh
MX Hostnames
- unitedpiping-us.mail.protection.outlook.com
MX Priorities
- unitedpiping-us.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.7.97 (no PTR)
- 104.18.6.97 (no PTR)
- 2606:4700::6812:661
- 2606:4700::6812:761
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
joel.ns.cloudflare.com dns.cloudflare.com 2398829748 10000 2400 604800 1800
Primary NS (mname)
joel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398829748
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nola.ns.cloudflare.com
joel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:webmail.apigroupinc.com ip4:168.245.93.106 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
6 records- google-site-verification=VY_JsXuFF8st9iiChYaioNPv1R5UNwVRG8ohpmtLmms
- guAlXSJaVrucYoVNTRldWa8SS5V2Z71QHuhLboZs0pOgGukI79470zvLJOci5bgwxTN61TDV0HFvroeGOhJWxQ==
- teamviewer-sso-verification=1981b8c3a86a4ef0b85167c2a4d83256
- SPFv=spf1 include:spf.protection.outlook.com a:webmail.apigroupinc.com ip4:168.245.93.106 -all
- MS=ms35532053
- autodesk-domain-verification=mPTIgwoH08-l702NvMyt
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 unitedpiping.us
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits