Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nbcok.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 10:15:31 UTC · ↺ Refresh
MX Hostnames
- mx1.hc3876-51.iphmx.com
- mx2.hc3876-51.iphmx.com
MX Priorities
- mx2.hc3876-51.iphmx.com: 0
- mx1.hc3876-51.iphmx.com: 0
A / AAAA Records
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 68.232.148.144 ↩ esa2.hc3876-51.iphmx.com
- 68.232.157.253 ↩ esa1.hc3876-51.iphmx.com
SOA Record
Raw SOA
pdns11.domaincontrol.com dns.jomax.net 2026022303 28800 7200 604800 600
Primary NS (mname)
pdns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022303
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns11.domaincontrol.com
pdns12.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.184.102.26 ip4:63.115.138.26 ip4:12.184.102.12 ip4:63.115.138.12 ip4:166.73.92.61 ip4:50.58.9.15 ip4:208.235.248.20 ip4:70.186.242.2 ip4:70.186.242.5 include:spf.usa.net include:spf.protection.outlook.com include:client_spf.fivision.com include:spf.cashedge.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- MS=ms76614687
- SPFv=spf1 ip4:12.184.102.26 ip4:63.115.138.26 ip4:12.184.102.12 ip4:63.115.138.12 ip4:166.73.92.61 ip4:50.58.9.15 ip4:208.235.248.20 ip4:70.186.242.2 ip4:70.186.242.5 include:spf.usa.net include:spf.protection.outlook.com include:client_spf.fivision.com include:spf.cashedge.com -all
- apple-domain-verification=GWTaPJ2a8KO2hckM
Full email verification for nbcok.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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