Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nerca.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 08:03:45 UTC · ↺ Refresh
MX Hostnames
- nerca-org.mail.protection.outlook.com
MX Priorities
- nerca-org.mail.protection.outlook.com: 1
A / AAAA Records
- 172.67.173.163 (no PTR)
- 104.21.88.68 (no PTR)
- 2606:4700:3034::6815:5844
- 2606:4700:3030::ac43:ada3
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
andy.ns.cloudflare.com dns.cloudflare.com 2400307162 10000 2400 604800 1800
Primary NS (mname)
andy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400307162
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
andy.ns.cloudflare.com
ariadne.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:outbound.mailhop.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._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
3 records- brevo-code:d35f649d50d7e95886c88339c22e9f5e
- google-site-verification=N16WLF3-89sy7syUl5-PLDuH48NfcxBsiNGWIHtl3Cg
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:outbound.mailhop.org -all
Full email verification for nerca.org
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