Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cic.ipn.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 08:38:57 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 148.204.64.1 ↩ www.cursos.ipn.mx.64.204.148.in-addr.arpa
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
SOA Record
Raw SOA
dns1.ipn.mx tic.ipn.mx 2026031308 10800 3600 1209600 10800
Primary NS (mname)
dns1.ipn.mx
Admin Email (rname)
tic@ipn.mx
Serial
2026031308
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns2.ipn.mx
dns3.ipn.mx
dns1.ipn.mx
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:148.204.63.119/32 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected] ; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 ip4:148.204.63.119/32 include:_spf.google.com ~all
- MS=EF8BD709635066009992D3C6FBCB59A13ECAD617
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfam0QZC+JRctcCB+SEz5C5I9dLD8+b6z/fSOqzUhgt/jP9J9fDq9xAldloU4s8HY20UeWaaB1re9wLieaRxDSzExijDvg0n+5RuudKoUaKx3uWMIkAiFwoiAQ0urOgb4s0b7XrmWF3r1Ca4hcfPJR0pPjMKbKosAkrkoqToNNXQIDAQAB
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