Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
b12.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:20:32 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
A / AAAA Records
- 100.25.212.115 ↩ ec2-100-25-212-115.compute-1.amazonaws.com
- 3.221.197.8 ↩ ec2-3-221-197-8.compute-1.amazonaws.com
- 23.21.143.189 ↩ ec2-23-21-143-189.compute-1.amazonaws.com
- 98.94.186.15
- 98.94.180.225
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
SOA Record
Raw SOA
ns-1741.awsdns-25.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1741.awsdns-25.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1741.awsdns-25.co.uk
ns-300.awsdns-37.com
ns-910.awsdns-49.net
ns-1118.awsdns-11.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mandrillapp.com include:mg-spf.greenhouse.io include:_spf.google.com include:mailgun.org include:_spf.salesforce.com include:553918.spf02.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ 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
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
8 records- google-site-verification=UDNeLakTSsJSAibWg13Aq8J6Jn_VP8RvFyDlzoS-6oc
- google-site-verification=W3mi9f0yVELSslIAtmAomVWb36s3p4aOudPOEgAxGTw
- openai-domain-verification=dv-34PRMT70x6YlpNYtpZjRDzBx
- openai-domain-verification=dv-IiJttZSvPCzOEhxv2jeU2ukk
- SPFv=spf1 include:spf.mandrillapp.com include:mg-spf.greenhouse.io include:_spf.google.com include:mailgun.org include:_spf.salesforce.com include:553918.spf02.hubspotemail.net ~all
- MS=68C2CB970D6AA2E522BB076CD2D0BC7A88598784
- facebook-domain-verification=p40py6o7dj0wg5aflc0rqvh2h374jo
- github-verification=hyTxeLTgs7FESA7mcx6JXu4hSNDCD9AdLQbwH4EC
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