Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
performanceservices.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:44:13 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.21.17.185 (no PTR)
- 172.67.178.17 (no PTR)
- 2606:4700:3035::ac43:b211 (no PTR)
- 2606:4700:3035::6815:11b9 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dell.ns.cloudflare.com dns.cloudflare.com 2399847312 10000 2400 604800 1800
Primary NS (mname)
dell.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399847312
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dell.ns.cloudflare.com
marvin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com ip4:207.67.95.88 ip4:99.145.248.170 include:spf.protection.outlook.com include:_spf.qualtrics.com include:amazonses.com include:_spf.salesforce.com include:8237469.spf08.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- /VMvr7wLD2eIxGJzGMSFQQ0UmDaZkTV/oBqZMjG7pr8IEMGrUFAFydwpG3KZ05ddgHapOf0I3E+FkHoG1vfq1g==
- 0ed1fe018a8afd8b990254467d8bee2632d0cabcc9
- MS=2E0BB2557FA2234BDA2A2DB39763AEE3E6B2C805
- apple-domain-verification=vfbXp98dJY5bgtE4
- autodesk-domain-verification=HejlHG0yYWI1cxZI6kQP
- bluebeam-verification=mxafdumclod1tqrccwb0d0pka6fira
- canva-site-verification=QvwTCCRGCWVCe3ifj-p1Dw
- teamviewer-sso-verification=10c5379e18d64e14a48a03ec4e125639
- SPFv=spf1 include:us._netblocks.mimecast.com ip4:207.67.95.88 ip4:99.145.248.170 include:spf.protection.outlook.com include:_spf.qualtrics.com include:amazonses.com include:_spf.salesforce.com include:8237469.spf08.hubspotemail.net -all
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