Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zlc.edu.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 06:05:45 UTC · ↺ Refresh
MX Hostnames
- zlc-edu-es.mail.protection.outlook.com
MX Priorities
- zlc-edu-es.mail.protection.outlook.com: 1
A / AAAA Records
- 172.66.40.241 (no PTR)
- 172.66.43.15 (no PTR)
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
derek.ns.cloudflare.com dns.cloudflare.com 2398117806 10000 2400 604800 1800
Primary NS (mname)
derek.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398117806
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
derek.ns.cloudflare.com
sue.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:vtigermails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- sophos-domain-verification=26ca16660917359508abbddf6b5d2d99af959f014803c5f3ff38dbbb9ae2eec6
- sophos-domain-verification=d9d608122a426d67e3c271c5288a5be8b3733877d3cde6ed6684dc5413ab7422
- SPFv=spf1 include:spf.protection.outlook.com include:vtigermails.com -all
- HARICA-ck3DG5eMiM4yktDxdP5
- google-site-verification=h89ctnbQtoeeVdm_bCBs_5eWAIbfdtgwUUuDD9lTB2g
- lYkzRukjf2KL5EIvlu6IGxir9b/uvOxdAoX6P+UdiNva9x0SEj9nVQrfHr+bvylAEYIixOHxtDvJrAAExP+FLA==
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