Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4abc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 04:46:21 UTC · ↺ Refresh
MX Hostnames
- 4abc-com.mail.protection.outlook.com
MX Priorities
- 4abc-com.mail.protection.outlook.com: 10
A / AAAA Records
- 12.53.28.18 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.worldnic.com namehost.worldnic.com 126031711 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031711
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.worldnic.com
ns52.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:35.192.63.125 ip4:141.193.213.20 ip4:141.193.213.21 ip4:12.133.120.158 ip4:174.136.2.72 ip4:99.76.24.17 ip4:50.222.167.60 ip4:208.75.123.0/24 ip4:99.33.7.38 mx include:spf.hosting.americaneagle.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s2._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
2 records- SPFv=spf1 mx ip4:35.192.63.125 ip4:141.193.213.20 ip4:141.193.213.21 ip4:12.133.120.158 ip4:174.136.2.72 ip4:99.76.24.17 ip4:50.222.167.60 ip4:208.75.123.0/24 ip4:99.33.7.38 mx include:spf.hosting.americaneagle.com include:spf.protection.outlook.com -all
- _i9v5qwt0bbqzbwg7mtboxc4s0doppev
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