Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
techbyheartacademy.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:27:00 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- mxb.mailgun.org
- alt2.aspmx.l.google.com
- mxa.mailgun.org
- alt3.aspmx.l.google.com
MX Priorities
- mxb.mailgun.org: 25
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- mxa.mailgun.org: 20
A / AAAA Records
- 167.235.51.117 ↩ static.117.51.235.167.clients.your-server.de
Mail Server IPs
- 34.160.157.95 ↩ 95.157.160.34.bc.googleusercontent.com
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
chuck.ns.cloudflare.com dns.cloudflare.com 2398808975 10000 2400 604800 1800
Primary NS (mname)
chuck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398808975
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chuck.ns.cloudflare.com
elaine.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=ynp2ZAYbKUy0c0f93QmlvxeGXGDCa7fzXZZ9nBYBSew
- SPFv=spf1 include:mailgun.org ~all
- SPFv=spf1 redirect=_spf.yandex.net include:_spf.google.com ~all
- yandex-verification: b57ed3017f25340f
- brevo-code:9239729bf0b20a5bcdaa3955df095f9b
- brevo-code:f5248f05e100cf28fd53dd23c8e0f5a2
- google-site-verification=ehnTeBMnC_jwdReITE4akj5pmuI60fU-Vb27tDrseWU
- google-site-verification=pO1Vz8r-VzznkcAVdnja8xlnupsBB2L-balRKw5UM2E
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