city.jackson.ms.us

Valid Email Server
Domain Lookup › city.jackson.ms.us
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
city.jackson.ms.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 11:00:39 UTC · ↺ Refresh

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MX Hostnames

  • usb-smtp-inbound-1.mimecast.com
  • city-jackson-ms-us.mail.protection.outlook.com
  • usb-smtp-inbound-2.mimecast.com

MX Priorities

  • city-jackson-ms-us.mail.protection.outlook.com: 30
  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 208.109.244.30

Mail Server IPs

  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA waterwebcss.city.jackson.ms.us administrator.city.jackson.ms.us 271 900 600 86400 600
Primary NS (mname)
waterwebcss.city.jackson.ms.us
Admin Email (rname)
administrator@city.jackson.ms.us
Serial
271
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

exchange1.city.jackson.ms.us
ns1.city.jackson.ms.us

SPF Record

✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com mx ip4:173.239.235.26 include:rp.oracleemaildelivery.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:usb._netblocks.mimecast.com mx ip4:173.239.235.26 include:rp.oracleemaildelivery.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
  • MS=ms79508027
  • MS=2B17FBB32579A59C8F4FD115762BD13861BBE9BF
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