Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caloptima.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:32:34 UTC · ↺ Refresh
MX Hostnames
- mx1.hc2903-83.iphmx.com
- mx2.hc2903-83.iphmx.com
MX Priorities
- mx2.hc2903-83.iphmx.com: 10
- mx1.hc2903-83.iphmx.com: 10
A / AAAA Records
- 66.33.60.194 (no PTR)
- 76.76.21.93 (no PTR)
Mail Server IPs
- 216.71.137.154 ↩ esa1.hc2903-83.iphmx.com
- 216.71.141.24 ↩ esa2.hc2903-83.iphmx.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1662485464 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1662485464
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
dns4.p01.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:216.71.137.154 ip4:68.232.140.79 ip4:68.232.140.57 ip4:68.232.135.234 ip4:68.232.135.235 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:spf.protection.outlook.com include:spf.constantcontact.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- google-site-verification=cBJ6ELBvqfn-j00iptPdjXSm3Q4VMUfppcxLouBmoUE
- MS=ms45851194
- apple-domain-verification=OR1UTSlUeFimN1X9
- MvmTfMNwcLD6bTCN5I9N27wrWQJAOYrXSiVQAA5TOfSaCpnvUX5jYuVRJO2flcBCpzrkzTJlMVD10eir4f3jOg==
- adobe-idp-site-verification=cfb6fdb07f846ee26b9a1f03ccf6f330c4c31decb02e7e92ae5a994b396d3aee
- SPFv=spf1 mx ip4:216.71.137.154 ip4:68.232.140.79 ip4:68.232.140.57 ip4:68.232.135.234 ip4:68.232.135.235 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:spf.protection.outlook.com include:spf.constantcontact.com include:mailgun.org ~all
- 17cc66ac-d0ac-4b26-8f76-4e48e4aac60a
- sitecore-domain-verification=2fa8c90f1ef847bab571ba7b286d1a16
- asv=33dea9afde8547fadf99de2bcd243688
- flexera-domain-verification-xxrdojxtcmjwzgbu
- ZOOM_verify_ct0yxEQJDwGGq25H02KVbN
- f6b1aafe-22b1-4afe-a6ee-e2fb694c64e8
- google-gws-recovery-domain-verification=63346829
Full email verification for caloptima.org
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