Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ern.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 08:38:53 UTC · ↺ Refresh
MX Hostnames
- ern-com-mx.mail.protection.outlook.com
MX Priorities
- ern-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 144.126.154.227 ↩ ern.com.mx
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
deb.ns.cloudflare.com dns.cloudflare.com 2400077627 10000 2400 604800 1800
Primary NS (mname)
deb.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400077627
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
julio.ns.cloudflare.com
deb.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.aon.net ip4:38.101.223.37 include:spf.fromdoppler.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
⚠ Public key (p=) missing in DKIM record for selector selector1.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- ibmid=7ffa7167-ef8b-4097-a8fd-585812375a73
- mscid=ZTmmgXcKF0kJQ9rNeQ+bU9ynVFLtpGGuHDeCFK2g8EwxlCb9Xa7c35T7nddLRAYsUXKSJswU1YxaINBC5ENsBw==
- SPFv=spf1 include:spf.aon.net ip4:38.101.223.37 include:spf.fromdoppler.com -all
- 5f923f19-d439-4f87-8b12-bc624a7fce04
- 9jw4hj23zw1757rntpwb0jjt6ts3xzxn
- MS=ms11093439
- _tm3s4n1chwfclk08h14rgkto1yhb2ep
- cisco-ci-domain-verification=a841339336922ae0eb100d171f02118dbdbe1cf8a6b3b8c3e3760a1ee5181d0
- docusign=ab01d246-ca2f-487b-b462-e9cb6c62998b
- figma-domain-verification=4edf6bb712dfce6e6182b1b7b030583195567d37834e8e24e495152f92eaef82-1760028563
Full email verification for ern.com.mx
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