Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elheraldo.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:05:38 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 3.33.177.35
- 52.223.36.204
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
nserver.calipso.com.co hostmaster.nserver.calipso.com.co 2026031801 3600 1296000 1209600 43200
Primary NS (mname)
nserver.calipso.com.co
Admin Email (rname)
hostmaster@nserver.calipso.com.co
Serial
2026031801
Refresh
3600s
Retry
1296000s
Expire
1209600s
Minimum TTL
43200s
Nameservers (NS)
nserver.calipso.com.co
nserver2.calipso.com.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mlsend.com include:_spf.elheraldo.co ip4:200.91.220.238 ip4:181.49.214.196 ip4:200.91.220.237 include:_spf.google.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=60; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 60% of failing messages only
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
2 records- SPFv=spf1 include:_spf.mlsend.com include:_spf.elheraldo.co ip4:200.91.220.238 ip4:181.49.214.196 ip4:200.91.220.237 include:_spf.google.com include:spf.mandrillapp.com ~all
- google-site-verification=yOtCWR6DeqP7vSWUw3Nf1eFZk7M_dfC7L5tshyafBH0
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