Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firespring.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 16:49:59 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.19.154.92 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns-626.awsdns-14.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-626.awsdns-14.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1361.awsdns-42.org
ns-1968.awsdns-54.co.uk
ns-26.awsdns-03.com
ns-626.awsdns-14.net
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.google.com include:spf.mandrillapp.com include:_spf.salesforce.com include:e2ma.net include:et._spf.pardot.com ip4:142.0.176.0/20 ip4:204.232.162.112/28 ip4:204.232.180.112/29 ip4:204.232.180.128/29 ip4:69.20.119.216/29 ip4:76.12.109.192/27 ip4:67.59.141.128/28 ip4:209.41.176.224/28 ip4:198.145.13.0/26 ip4:69.48.230.0/25 -all
📊 DNS lookups: 6/10
✓ 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
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
15 records- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.google.com include:spf.mandrillapp.com include:_spf.salesforce.com include:e2ma.net include:et._spf.pardot.com ip4:142.0.176.0/20 ip4:204.232.162.112/28 ip4:204.232.180.112/29 ip4:204.232.180.128/29 ip4:69.20.119.216/29 ip4:76.12.109.192/27 ip4:67.59.141.128/28 ip4:209.41.176.224/28 ip4:198.145.13.0/26 ip4:69.48.230.0/25 -all
- atlassian-domain-verification=hFCsxYj/0ZMTK7MbRDeKs34aiBnPTDTsu/iZNguhWbCu9q8winBYroOgrCBkqDcc
- dropbox-domain-verification=htixui34bs6t
- pardot_28152_*=b73c1f26a3dc6e6e9e2d04fd76daaf0720796e3b67e55d4e8cb636581b3c9eae
- ZOOM_verify_UboHratiKxMffVVxhkCgWo
- apple-domain-verification=rT9F0VAbmyQDWMhg
- e2ma-verification=blzcb
- firespring.com TXT "pendo-domain-verification=c55d9a5b-765d-4419-85c5-a034a2b021fb"
- 1password-site-verification=5JDPMTQABRFNZJ6OD4YXG37B4E
- 0ed1fe018ac578ca34cefd440399547df5bffed23a
- e2ma-verification=ssogb
- 3d6ftdjwprq_enkfutugagvypfm381mjrou1zw0v4py
- MS=03585023A5982792DD9079CD0D75306E66735BE2
- invisionapp-verification=1832148860328029220827079321383885119994
- notion_verify_LoE6VPn1Wz7NzymLBGgxtZVc5eZUFgBDGC5G9EVonU5AwJHTanTu7KmYi4smP93bryvKzo
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