Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alliedvan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:53:09 UTC · ↺ Refresh
MX Hostnames
- alliedvan-com.mail.protection.outlook.com
MX Priorities
- alliedvan-com.mail.protection.outlook.com: 20
A / AAAA Records
- 20.114.251.153 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com hostmaster.sirva.com 2004072678 3600 3600 2419200 3600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
hostmaster@sirva.com
Serial
2004072678
Refresh
3600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:5120690.spf10.hubspotemail.net include:spf1.mailchannels.net include:mktomail.com ip4:40.79.69.112 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
4 records- /4gVgk18uB5FDbHZEnR7lqMgfpMXsqek0FJP5sz6uUnlLXGXQUWcb1s3rtAB0TF70CciiS7DXXLAE9+v2J5WPw==
- knowbe4-site-verification=09483e3f4c7dabbec0276be06878fcc2
- SPFv=spf1 include:spf.protection.outlook.com include:5120690.spf10.hubspotemail.net include:spf1.mailchannels.net include:mktomail.com ip4:40.79.69.112 -all
- MS=ms86836452
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 alliedvan.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits