Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alfa.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 02:12:47 UTC · ↺ Refresh
MX Hostnames
- alfa-com-mx.mail.protection.outlook.com
MX Priorities
- alfa-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 45.60.162.76 (no PTR)
- 45.60.150.76 (no PTR)
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.a0.impervasecuredns.net cguel.alfa.com.mx 5 3600 600 604800 360
Primary NS (mname)
ns1.a0.impervasecuredns.net
Admin Email (rname)
cguel@alfa.com.mx
Serial
5
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
360s
Nameservers (NS)
ns1.a2.impervasecuredns.net
ns1.a1.impervasecuredns.net
ns1.a0.impervasecuredns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:189.206.120.43 ip4:201.163.5.244 ip4:189.206.123.10 include:spf.protection.outlook.com include:ipreomail.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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
12 records- _globalsign-domain-verification=e5JESKYeaqBROkR2zq5JoqC4R5UmgE1vA6219n1Yqj
- ZOOM_verify_5LQBTh_QT_G7WK0AWVkgIQ
- MS=ms43528555
- google-site-verification=XFSu4ZEuhfU_cJmSC0ScUU4M5UXeR28TpXNaU8tYN1w
- globalsign-domain-verification=E6D9BBD894CA91D9DEC4529A673DF5EA
- b9m1prd613fhfhsm0pifss8sk
- 9a9r50q7eosevae8q8s2mc9aee
- SPFv=spf1 ip4:189.206.120.43 ip4:201.163.5.244 ip4:189.206.123.10 include:spf.protection.outlook.com include:ipreomail.com include:_spf.psm.knowbe4.com -all
- v=msv1 t=932467F7-A97F-46EB-B29F-B9960B91CBCA
- rgyqXOotb1WnWU6OaHS+l3LqgDb+TBZNW1HxB9cVgLZUlrn8MizWl1SJyQ9pIMk7xzcFf9nTymLN0gJWzBjGSQ==
- google-site-verification=4wdT5DtliV_biQ_KZ75lXqPBuvMip-iy1bq9YzN-xu4
- aor08mo2s5uqepnkc04sj30lvq
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