Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leibsohn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 21:31:44 UTC · ↺ Refresh
MX Hostnames
- leibsohn.com.1.0001.arsmtp.com
- leibsohn.com.2.0001.arsmtp.com
MX Priorities
- leibsohn.com.2.0001.arsmtp.com: 20
- leibsohn.com.1.0001.arsmtp.com: 10
A / AAAA Records
- 206.188.193.9 ↩ vux.netsolhost.com
Mail Server IPs
- 8.19.118.225 ↩ server2019.appriver.com
- 8.31.233.244 ↩ whois201e.appriver.com
SOA Record
Raw SOA
ns27.worldnic.com namehost.worldnic.com 125092517 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125092517
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns28.worldnic.com
ns27.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms61160196
- _sitelock-domain-validation=a6233defa77fefb2
- google-site-verification=nm5QNm3xp860EznZz4jYNEJZU1H5iZ4PAORFIoPCDGA
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