Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cortello.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 06:10:56 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 172.67.172.214 (no PTR)
- 104.21.39.254
- 2606:4700:3032::ac43:acd6
- 2606:4700:3037::6815:27fe
Mail Server IPs
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
SOA Record
Raw SOA
lola.ns.cloudflare.com dns.cloudflare.com 2399281395 10000 2400 604800 1800
Primary NS (mname)
lola.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399281395
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
titan.ns.cloudflare.com
lola.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:servers.mcsv.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx include:servers.mcsv.net -all
- 6243ec50-ea4f-11f0-accb-d1827f4a542a
- google-site-verification=3U15TmPgXch16bB6Hug69eRsCcPjoHjT_FqwxJ6gW8U
Full email verification for cortello.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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