Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
granitepeaksgi.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:13:06 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
- 172.67.218.118 (no PTR)
- 104.21.53.200 (no PTR)
- 2606:4700:3037::6815:35c8 (no PTR)
- 2606:4700:3035::ac43:da76 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
clint.ns.cloudflare.com dns.cloudflare.com 2399257335 10000 2400 604800 1800
Primary NS (mname)
clint.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399257335
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cora.ns.cloudflare.com
clint.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
7 records- MS=ms28354935
- Target: 0ed1fe018a0380b562bdbf4cf38fd90fe768f1ac0a
- duo_sso_verification=OX6GEbL13qB7iV3XFS2JAZVCg4HuQBapJ2Lp5crCl2aVoTxFMzgl2kvfwDZtt319
- google-site-verification=SSm70EErebj3-XGUI9eVDaiUanP6brr6R22KfDDf3u8
- notion-domain-verification=exU4Xdc23hdPN0gM6pFB2Bi8fCb1OOitW1KlVvweHgI
- SPFv=spf1 include:_netblocks.mimecast.com -all
- MS=ms13784320
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