Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gulfharbour.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 22:18:56 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 10
A / AAAA Records
- 199.60.103.116 (no PTR)
- 199.60.103.16 (no PTR)
Mail Server IPs
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
emma.ns.cloudflare.com dns.cloudflare.com 2396832044 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396832044
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pablo.ns.cloudflare.com
emma.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:8.24.204.8/29 ip4:8.24.204.16/31 ip4:8.24.204.18/32 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 include:sendgrid.net include:spf.protection.outlook.com include:spf.ppe-hosted.com include:46308315.sp a:dispatch-us.ppe-hosted.com f07.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- google-site-verification=GFbOTP90NsThzUgmj5UEjddIyKr8XZTK8vm6DfQIKEU
- google-site-verification=v2AxXBmuis63saxuenOX0FcDzdO3YEoTWr7j1an0t3k
- ppe-7033072e2813f082b21502cf3523e3ba2777bacd
- SPFv=spf1 ip4:8.24.204.8/29 ip4:8.24.204.16/31 ip4:8.24.204.18/32 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 include:sendgrid.net include:spf.protection.outlook.com include:spf.ppe-hosted.com include:46308315.sp a:dispatch-us.ppe-hosted.com f07.hubspotemail.net -all
- MS=C33920B67ED33E4EC9517F6D8DA85DF209E13D65
- duo_sso_verification=qDbM6crU00G1b7LIatDWbN7gwu9GDnXPg0DIQRLoCBLjnsExYjyt8sAuPe1HN4yB
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