Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
183training.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:22:05 UTC · ↺ Refresh
MX Hostnames
- 183training-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 4.174.152.92
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:70.25.5.161 ip4:209.171.8.98 ip4:174.90.56.91 ip4:38.122.100.18 ip4:142.112.75.237 ip4:99.209.49.91 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- google-site-verification=mPAA-x14asW3G7SUMYRk7453Kc3wSWblWKJg0PuCOps
- mscid=kGmvejNVgY+0I4HMfPrT+PU7W1xAR7hwHfTIXfgING/PLnAB/hJNM5IuH+qaJzatAWIFVqb59CJPytnMYwPg5w==
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:70.25.5.161 ip4:209.171.8.98 ip4:174.90.56.91 ip4:38.122.100.18 ip4:142.112.75.237 ip4:99.209.49.91 -all
- fh4k8z4gq8q3l62s7yy6vfyjpk81m7yt
- 41s423dx82vxzfs01px29d27lq2fgvs9
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