Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
espacifico.edu.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 23:48:22 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 35.208.184.55
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
adam.ns.cloudflare.com dns.cloudflare.com 2398829634 10000 2400 604800 1800
Primary NS (mname)
adam.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398829634
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amy.ns.cloudflare.com
adam.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.google.com -all
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2uksL2Kb/N7d8EjOyAYPaUwEay1iDz/nNEkMDPOE20l1njk1dk9umHNKkh3pUNM+SGWFtd+g5GSP2GqNv4a4wPIE7L4ShHaH/9fwTstLTrCk2RS9F9uFVBNFKVrZLEyKSyOr6xehteEwKgFDAMQ94HioaHM2YxMSaFPWg+Icd3pLaAoQ/NeKdhvF+S2Ed3FJ+odAqPz84ZTBq2IrrUz1kFcZ6zLjchaxno88E1w8lAL1qo22kPNtdfUSS8GZmw5OKvgzXYbozk2C6+QaZLil1na0kQQXvMxjie09wVKuzRF3+dZ2v2YSQngR6DxQYw0rDYxosW+j8RXGVmq/bcdJSQIDAQAB
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