Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nappco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:02:15 UTC · ↺ Refresh
MX Hostnames
- nappco-com.mail.protection.outlook.com
MX Priorities
- nappco-com.mail.protection.outlook.com: 1
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.worldnic.com namehost.worldnic.com 126021916 10800 3600 604800 3600
Primary NS (mname)
ns11.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021916
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns11.worldnic.com
ns12.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:38.67.199.248 ip4:38.67.199.249 include:mail.tdfanywhere.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- SPFv=spf1 ip4:38.67.199.248 ip4:38.67.199.249 include:mail.tdfanywhere.com include:spf.protection.outlook.com ~all
- google-site-verification=tJyJGGWbuuMU8vZ1UOosvRZAqmOsD3Pr9tfqUUND1EY
- google-site-verification=w-l48i3WO57CQ09V2RMwxKntFnNq4YgFbrUUYGTuSEg
Full email verification for nappco.com
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