Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
juanncorpas.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 10:35:21 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- smtp.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 1
- aspmx.l.google.com: 1
- smtp.google.com: 1
- aspmx2.googlemail.com: 40
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 50
A / AAAA Records
- 3.145.245.169
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1a
- 2607:f8b0:4004:c19::1b
- 2607:f8b0:4004:c17::1a
- 108.177.123.27
- 2800:3f0:4003:c0f::1a
SOA Record
Raw SOA
dion.ns.cloudflare.com dns.cloudflare.com 2399425516 10000 2400 604800 1800
Primary NS (mname)
dion.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399425516
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kim.ns.cloudflare.com
dion.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._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
4 records- SPFv=spf1 include:_spf.google.com include:spf.hubspotemail.net -all
- MS=0D20FB0129449F781805F72CC15A8FB05B425E0A
- google-site-verification=RQUZQ3XskFXT6SVt4mh6T13Vnxgz5xaWn8H5NoW_Ybg
- include:9451937.spf01.hubspotemail.net
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