Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
1stcallair.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 12:59:11 UTC · ↺ Refresh
MX Hostnames
- mail.1stcallair.com
MX Priorities
- mail.1stcallair.com: 0
A / AAAA Records
- 162.241.85.197 ↩ 162-241-85-197.unifiedlayer.com
Mail Server IPs
- 162.241.85.197 ↩ 162-241-85-197.unifiedlayer.com
SOA Record
Raw SOA
rns23.webhostbox.net sharma\.anita2017.gmail.com 2026080801 86400 7200 3600000 86400
Primary NS (mname)
rns23.webhostbox.net
Admin Email (rname)
sharma\@anita2017.gmail.com
Serial
2026080801
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
rns23.webhostbox.net
rns24.webhostbox.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:websitewelcome.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 a mx include:websitewelcome.com ~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 · Customize →
See demo & docs
Deep verification
Full email verification for 1stcallair.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits