Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centuryaluminum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 14:36:50 UTC · ↺ Refresh
MX Hostnames
- centuryaluminum-com.mail.protection.outlook.com
MX Priorities
- centuryaluminum-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.129.11 (no PTR)
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.worldnic.com namehost.worldnic.com 126031610 10800 3600 604800 3600
Primary NS (mname)
ns25.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031610
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns26.worldnic.com
ns25.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:38.95.214.175 ip4:38.95.214.10 ~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: 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
9 records- atlassian-domain-verification=7K58ghtzHxgsOALcSlBHDUYSoiHx166YUthRG1AHHZbWvHAtaiUmRb29T/Sf01Ug
- apple-domain-verification=64VKkR3bkO48YJ3U
- google-site-verification=Tyt3mlAWmzTdl8xuKkTERUqE1RbOFiEabf8rYQVJBPk
- duo_sso_verification=sBl9t4GYRUGVUXu89hDh8uexAfl8BGiNK2kgDkGZ0OKwBs5mYeJicI2xf4zl5jvc
- 0ed1fe018a8039b168f80c41998e14ab930169b09f
- google-site-verification=65r4eXQ5hge1iLajTTyrsE_LlA_jA642yHJNsZHzw5c
- SPFv=spf1 include:spf.protection.outlook.com ip4:38.95.214.175 ip4:38.95.214.10 ~all
- 44kdg1uuh41c7lgdsv69sg0kko
- tb479f36qs0pji29t8iva5n2j
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 centuryaluminum.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits