Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sobelcollc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:14:48 UTC · ↺ Refresh
MX Hostnames
- sobelcollc-com.mail.protection.outlook.com
MX Priorities
- sobelcollc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.162.34 (no PTR)
- 104.21.10.23 (no PTR)
- 2606:4700:3030::6815:a17
- 2606:4700:3032::ac43:a222
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
alberto.ns.cloudflare.com dns.cloudflare.com 2396728777 10000 2400 604800 1800
Primary NS (mname)
alberto.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396728777
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alberto.ns.cloudflare.com
harmony.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- ehefuqbrp072dfncl8ri9s8l6
- have-i-been-pwned-verification=dweb_70t5t075duuxvsm2738ohpq9
- logmein-verification-code=8ed15e64-49c6-4289-844e-13e16158662c
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms34588042
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 sobelcollc.com
SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.
Get 1,000 Free Credits