Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobbcounty.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:58:36 UTC · ↺ Refresh
MX Hostnames
- mx2.hc5189-21.iphmx.com
- mx1.hc5189-21.iphmx.com
MX Priorities
- mx1.hc5189-21.iphmx.com: 10
- mx2.hc5189-21.iphmx.com: 10
A / AAAA Records
- 151.101.66.191 (no PTR)
- 151.101.194.191 (no PTR)
- 151.101.130.191 (no PTR)
- 151.101.2.191 (no PTR)
Mail Server IPs
- 139.138.58.77 ↩ esa.hc5189-21.iphmx.com
- 139.138.34.58 ↩ esa.hc5189-21.iphmx.com
SOA Record
Raw SOA
dns51.cloudns.net cybersecurity.cobbcounty.org 2026030601 7200 1800 1209600 3600
Primary NS (mname)
dns51.cloudns.net
Admin Email (rname)
cybersecurity@cobbcounty.org
Serial
2026030601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns51.cloudns.net
dns54.cloudns.net
dns52.cloudns.net
dns53.cloudns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:207.54.85.173 ip4:23.90.99.162 ip4:199.59.200.201 ip4:160.73.51.138 ip4:160.73.51.139 ip4:160.73.51.140 ip4:160.73.51.141 ip4:160.73.50.240 ip4:149.72.227.46 include:spf.protection.outlook.com include:_xnspf.paymentus.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- EpWnv4n8Ef1sQSfSsWXn6eYwfYDssjKMeFsoSJ0LKcHZKc5Jm6TGvZHFfc1focAv5x0R/y9E1N9ShRKNr6oqtA==
- apple-domain-verification=ILaIzaH1W4dEjyfD
- MS=ms30261059
- duo_sso_verification=YQsmwx1XLK7SgSUfZYmVhjMglN11atTvpMXun5UroPpOpbeeyWDfvbWRGzrZbnYr
- google-site-verification=BFh79kJjIzDKJUu6-PiaADwT3XpoaT5awctL0fuNXfw
- google-site-verification=8XQ1H46TmBFY8Jrq3eJRwXEmcn5HVhPk-wzHrQ4PAlA
- specops-verification-code=9560a737-0803-42f7-be77-ce04df8d39bf
- cisco-ci-domain-verification=547231dbccf22d66e05df35d74ffffcc497f0bd0c07f34cc90adfb9dda55309a
- 50C7-32B2-732F-7084-CF8D-7BEC-52A1-474A
- SPFv=spf1 mx ip4:207.54.85.173 ip4:23.90.99.162 ip4:199.59.200.201 ip4:160.73.51.138 ip4:160.73.51.139 ip4:160.73.51.140 ip4:160.73.51.141 ip4:160.73.50.240 ip4:149.72.227.46 include:spf.protection.outlook.com include:_xnspf.paymentus.com ~all
- _pki-validation.cobbcounty.org=AF86-743C-A269-4222-A9DE-253F-94A2-6133
Full email verification for cobbcounty.org
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