Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
terza.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:29:49 UTC · ↺ Refresh
MX Hostnames
- terza-com.mail.protection.outlook.com
MX Priorities
- terza-com.mail.protection.outlook.com: 0
A / AAAA Records
- 45.60.69.85 (no PTR)
- 45.60.63.85 (no PTR)
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.alestra.net.mx soporteip.axtel.com.mx 762215073 10800 3600 1209600 3600
Primary NS (mname)
dns.alestra.net.mx
Admin Email (rname)
soporteip@axtel.com.mx
Serial
762215073
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
mail1.alestra.net.mx
dns.alestra.net.mx
mail2.alestra.net.mx
SPF Record
✓ Strict (-all)
v=spf1 include:zcsend.net include:zeptomail.net ip4:189.206.126.36 ip4:189.206.126.38 ip4:189.206.126.39 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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 include:zcsend.net include:zeptomail.net ip4:189.206.126.36 ip4:189.206.126.38 ip4:189.206.126.39 include:spf.protection.outlook.com -all
- MS=ms65557409
- google-site-verification=bA8T3WgWzRbGl3wEuDo1mMJyqKvO-iMrUM3MJDYOB7c
Full email verification for terza.com
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