Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
airchangeshvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 21:17:17 UTC · ↺ Refresh
MX Hostnames
- mx10.antispam.mailspamprotection.com
- airchangeshvac-com.mail.protection.outlook.com
- mx20.antispam.mailspamprotection.com
- mx30.antispam.mailspamprotection.com
MX Priorities
- mx20.antispam.mailspamprotection.com: 20
- mx10.antispam.mailspamprotection.com: 10
- airchangeshvac-com.mail.protection.outlook.com: 0
- mx30.antispam.mailspamprotection.com: 30
A / AAAA Records
- 35.212.113.189
Mail Server IPs
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 34.111.121.216
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 133 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
133
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net include:airchangeshvac.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms31291096
- google-site-verification=dDwTN8T4L73CHwJNClEeaRrjfwERAt4jgc1Xj4d1ilg
- SPFv=spf1 include:secureserver.net include:airchangeshvac.com.spf.auto.dnssmarthost.net -all
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 airchangeshvac.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits