Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaiseraluminum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:42:13 UTC · ↺ Refresh
MX Hostnames
- kaiseraluminum-com.mail.protection.outlook.com
MX Priorities
- kaiseraluminum-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.216.17.205 ↩ 162-216-17-205.ip.linodeusercontent.com
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010395 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010395
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns1.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:12.183.56.178/28 ip4:68.119.96.154/30 ip4:75.130.127.64/27 ip4:198.136.149.0/24 ip4:198.136.150.0/24 ip4:209.235.111.184/29 ip4:4.4.235.42/29 ip4:4.17.2.226/30 ip4:98.102.66.18/29 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 include:spf.protection.outlook.com ip4:12.183.56.178/28 ip4:68.119.96.154/30 ip4:75.130.127.64/27 ip4:198.136.149.0/24 ip4:198.136.150.0/24 ip4:209.235.111.184/29 ip4:4.4.235.42/29 ip4:4.17.2.226/30 ip4:98.102.66.18/29 ~all
- google-site-verification=BCyR8qpglEsA_oTJJayebc4IJkV00HYrH0LEDSNkxVs
- _3g97rpg3fg5uhrrtch34juzqlh9h4wf
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 kaiseraluminum.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits