Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
c40.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:56:01 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 0
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 162.159.134.42
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2019101319 28800 7200 604800 14400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2019101319
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mailjet.com include:spf.protection.outlook.com include:spfa.mailendo.com include:_spf.c40.abzt.de include:mailgun.org include:spf1.formassembly.com include:_spf.salesforce.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
14 records- google-site-verification=VgrKSnQNxUTThbTuyt2t6wWf1h3sNA2xM_spBkn85ng
- box-domain-verification=41a0fb4615564014713947f6e4fc6666611d33d29906d6243fb2791b149dfb0a
- sophos-domain-verification=425a8e65d9216e0541002caa4216956d94d41281b7ed292a7f3eaa305e26f3a3
- parallels-domain-verification=6c6bf75556914fa8a106c68d64b59096fdd8ee72467246ada70df07398a80466
- SPFv=spf1 include:_spf.google.com include:spf.mailjet.com include:spf.protection.outlook.com include:spfa.mailendo.com include:_spf.c40.abzt.de include:mailgun.org include:spf1.formassembly.com include:_spf.salesforce.com ~all
- ca3-7c7512e6306140a9b84bce6c1b6fa6cf
- ca3-ba043acfa10347bf87733a7269474909
- airalo-domain-verification=JTn1dKkJtUXbMOy
- apple-domain-verification=cQgvpWM5BEhMN5kF
- apple-domain-verification=tSZP7HgzgBq8rXtJ
- jamf-site-verification=VUdW1uzNB1oToCFdhBc6uA
- canva-site-verification=ceTWkY6i6NutIo2JAmsjOQ
- mentimeter-00bb42f9-906d-4658-a68e-d3dd20962123
- google-site-verification=P2HUeBp7_Y2TUd0nuFQDyWwtg8vcfLtg_HhwF_k1BfQ
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