Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alcoa.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 03:34:49 UTC · ↺ Refresh
MX Hostnames
- mxa-004a5001.gslb.pphosted.com
- mxb-004a5001.gslb.pphosted.com
MX Priorities
- mxa-004a5001.gslb.pphosted.com: 10
- mxb-004a5001.gslb.pphosted.com: 10
A / AAAA Records
- 52.146.50.104 (no PTR)
Mail Server IPs
- 67.231.152.161 ↩ mx0b-004a5001.pphosted.com
SOA Record
Raw SOA
edns1.ultradns.biz premiumdns.support.neustar 1476299283 28800 7200 1209600 86400
Primary NS (mname)
edns1.ultradns.biz
Admin Email (rname)
premiumdns@support.neustar
Serial
1476299283
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
edns1.ultradns.biz
edns1.ultradns.com
edns1.ultradns.net
edns1.ultradns.org
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:142.79.177.0/24 ip4:142.79.179.0/24 include:spf.protection.outlook.com include:spf-004a5001.pphosted.com include:spf-004a5002.pphosted.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
14 records- /Aia0vmOQQYLuugzNuRYotXPJ+HLcXXUnUxe3gkLPdKZa0Ot3SsC6faWjo6lyPQvdSeEGjat0xu65M4jKOfrxw==
- 0hiMANP3ua5POHHl6uHD/Yv/n2gbVCSRzhgqq7FzdMh3dgWeoVX9cxyEi6j2gpaK1ggpqi+MjXxG3xPYB3eR9w==
- 9a8FXZGQJiJ9WJc0HcJiXSVrR61OJWZ2wTJEMWOl56PPoFHydz/Ph0fnI5IWJseJoFT58Exi0owNee6sZE+fhQ==
- atlassian-domain-verification=JgbSGTDa03h1MeqWN0wa0nP/bPpyEC5RQM8emHNFQGKqVtNbM3+YJOPovlNeKsGk
- SPFv=spf1 mx ip4:142.79.177.0/24 ip4:142.79.179.0/24 include:spf.protection.outlook.com include:spf-004a5001.pphosted.com include:spf-004a5002.pphosted.com -all
- synthesia
- apple-domain-verification=4EEIsjeeVGxajAIb
- ibmid=be64a127-492b-41d6-a00a-6da455f6106e
- docusign=a18f89ac-676b-4ab8-a851-4a52852e8ebd
- canva-site-verification=pljywwXDtC4E7I8Vr2EuKA
- smartsheet-site-validation=_NcJqELstWb4KTayXZ-FWBy0YeKuZFHr
- pendo-domain-verification=58B527AF-F040-47D6-A313-2CDD7B80A811
- monday-com-verification=460TVEUXsSHs5Fixiw7NKzDL7U0KJ_REg5xFEVBUlCs
- google-site-verification=vHSZVBt3gvJ0TafMd3O3g1r7ggjFJoW4xUWy5LiZzIc
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 alcoa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits