Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spi-co.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:26:29 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
- 35.193.9.101 ↩ 101.9.193.35.bc.googleusercontent.com
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
kevin.ns.cloudflare.com dns.cloudflare.com 2399229683 10000 2400 604800 1800
Primary NS (mname)
kevin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399229683
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nelly.ns.cloudflare.com
kevin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:authsmtp.com include:mail.zendesk.com include:concursolutions.com include:sendgrid.net include:topbuild.cloud include:topbuild.com ip4:162.223.160.254 ip4:12.151.17.232 ip4:64.106.173.18 ip4:64.106.173.19 ip4:64.106.173.20 ip4:64.106.173.15 ip4:64.106.173.16 ip4:64.106.173.17 ip4:40.129.182.58 ip4:52.1.25.104 ip4:52.200.152.15 ip4:52.1.22.130 ip4:170.10.132.61 -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- MS=ms34738145
- apple-domain-verification=pdcIrAgCE9gXubXU
- atlassian-domain-verification=7ZyWxyo45D3JD0pRS8Z71c5tVSUpK4NzsW9QnNva7K8sPiIHk/cxdaJaIjaqjXu6
- iContact845719
- infor-cloudsuite-domain-verification=35MZP9JW8UFTDF5FUQ8T8HQDQQ896BRZWXBHQCTHAHRP6WWQPB74E3A5JKQYL62G
- pjdj585y2qqphf6yk1q2rgb7mwk65x9g
- smartsheet-site-validation=bal5Pa09x6jeRv_Y2vPV3RepAcxCBUZO
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:authsmtp.com include:mail.zendesk.com include:concursolutions.com include:sendgrid.net include:topbuild.cloud include:topbuild.com ip4:162.223.160.254 ip4:12.151.17.232 ip4:64.106.173.18 ip4:64.106.173.19 ip4:64.106.173.20 ip4:64.106.173.15 ip4:64.106.173.16 ip4:64.106.173.17 ip4:40.129.182.58 ip4:52.1.25.104 ip4:52.200.152.15 ip4:52.1.22.130 ip4:170.10.132.61 -all
- zscaler-verification-6177174-12022025-7GNw9T
- MS=ms24930048
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