Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cityoftulsa.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:18:18 UTC · ↺ Refresh
MX Hostnames
- mx1.hc4375-17.iphmx.com
- mx2.hc4375-17.iphmx.com
MX Priorities
- mx1.hc4375-17.iphmx.com: 0
- mx2.hc4375-17.iphmx.com: 10
A / AAAA Records
- 204.236.43.173 (no PTR)
Mail Server IPs
- 139.138.38.219 ↩ esa.hc4375-17.iphmx.com
- 207.54.84.103 ↩ esa.hc4375-17.iphmx.com
SOA Record
Raw SOA
cityoftulsa.org dnsadmin.tulsaconnect.com 2024011258 7200 1800 3600000 7200
Primary NS (mname)
cityoftulsa.org
Admin Email (rname)
dnsadmin@tulsaconnect.com
Serial
2024011258
Refresh
7200s
Retry
1800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.tulsaconnect.com
ns2.tulsaconnect.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:208.64.239.226 ip4:208.64.237.225 ip4:65.38.18.9 ip4:216.32.146.13 ip4:168.245.41.240 ip4:72.32.246.45 ip4:208.64.238.25 ip4:204.236.36.124 ip4:204.236.51.20 include:spf.protection.outlook.com include:matrix.cityoftulsa.org exists:%{i}.spf.hc4375-17.iphmx.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- apple-domain-verification=j8reV4feiYJ823Bi
- MS=ms38434121
- 113S87KV62rzlpwQMYR5ShDwGF8ZP5Kc/JLvv5ShQnmrVuYjDMNUHWoNrWDw6i+Q1n/ZcqvyDSoanB7Efas++g==
- SPFv=spf1 ip4:208.64.239.226 ip4:208.64.237.225 ip4:65.38.18.9 ip4:216.32.146.13 ip4:168.245.41.240 ip4:72.32.246.45 ip4:208.64.238.25 ip4:204.236.36.124 ip4:204.236.51.20 include:spf.protection.outlook.com include:matrix.cityoftulsa.org exists:%{i}.spf.hc4375-17.iphmx.com -all
- MS=6EBA4F640B775F31C6A7AB5A10978F4B7BFFBC7D
- ms-domain-verification=723d971b-7180-4867-9083-6158d263f13a
- knowbe4-site-verification=bcc74bb9ffaec76992a85dcfb4721f48
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