Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aiu3.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:30:47 UTC · ↺ Refresh
MX Hostnames
- aiu3-net.mail.protection.outlook.com
MX Priorities
- aiu3-net.mail.protection.outlook.com: 0
A / AAAA Records
- 4.227.186.108 (no PTR)
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-908.awsdns-49.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-908.awsdns-49.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1922.awsdns-48.co.uk
ns-439.awsdns-54.com
ns-908.awsdns-49.net
ns-1128.awsdns-13.org
SPF Record
✓ Strict (-all)
v=spf1 include:_s00356172.autospf.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
24 records- _npikh80vilwv6znej0dpb6h83n4qqzm
- google-site-verification=VOCII1vHg4Yn-YgRpR9LELSkjNLgQXfQJfuCB2xL9Js
- apple-domain-verification=FcJ7HEj8uaYS6Csz
- have-i-been-pwned-verification=dbf0641becb4f77b6efeb2a13e41c2c6
- MS=00FA1163AFB49B56A7D9737F32F01282BD5F136A
- docusign=d50b4bca-d657-4597-b5ed-3af29ec13ebf
- detectify-verification=f3e9d8027f0dafe900d7855d1ba953fa
- SPFv=spf1 include:_s00356172.autospf.email -all
- 611shyy4l9gypc6dsj8td243vqmmf8tk
- logmein-verification-code=6t9Eb9QSlUihE8gwYZzZdeTWo
- google-site-verification=29ZcFuVztDUm_L50E1t6QBX8Ee3YsF5wgiRtMW0ScCI
- asv=7379bf3d91173e3eb47dbcf4ec4de985
- anthropic-domain-verification-mw69t5=vGq8Dni760azq6UV3vE8RHhHW
- /0+iFNKJomkBWg3Tibj+ZAUiY4wgODgQ8krFUPvnSVCnI5KxhTzZbo97bdP5ZpXiKUOZM1fB+YYsWHAdd1BY1g==
- 1password-site-verification=RYFLFUPDL5BYNLCLFWPCUHKM3E
- 00Dfn000004EM7r=1TBcv00000000rF
- 8k78jhk3qg5d61rtqlsd9qz8hq8dskjd
- openai-domain-verification=dv-7YyOC0ewK9PzJRZFAnjj4Q88
- 931E20CD4F3B731ACF95CA9E2D4435ECD9BA522A08E232DE5C6A5F45434E689A
- _891doqoignr35gzqo1147sy9ugiihhm
- autodesk-domain-verification=nFY-yKhlmvQG5K3L52pU
- teamviewer-sso-verification=ac1339311d97408a8d1253731eed7615
- 00DWI000004Extz=1TBWI00000006F7
- openai-domain-verification=dv-qvFt8a4q0WYZ4onCk2m5fOL5
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 aiu3.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits