calvertcountymd.gov

Valid Email Server
Domain Lookup › calvertcountymd.gov

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
calvertcountymd.gov
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 20:58:53 UTC · ↺ Refresh

MX Hostnames

  • mxa-0017fe01.gslb.pphosted.com
  • mxb-0017fe01.gslb.pphosted.com

MX Priorities

  • mxb-0017fe01.gslb.pphosted.com: 10
  • mxa-0017fe01.gslb.pphosted.com: 10

A / AAAA Records

  • 208.90.190.175 (no PTR)

Mail Server IPs

  • 67.231.149.16 ↩ mx0a-0017fe01.pphosted.com

SOA Record

Raw SOA ns.co.cal.md.us hostmaster.co.cal.md.us 2023053101 3600 600 1209600 3600
Primary NS (mname)
ns.co.cal.md.us
Admin Email (rname)
hostmaster@co.cal.md.us
Serial
2023053101
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns101.digicertdns.com
ns100.digicertdns.com
ns.co.cal.md.us
ns102.digicertdns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf-0017fe01.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

8 records
  • google-site-verification=t5BBUpuuUBs_rXAYTfWiZLG_M9cD8DCpMfLnKUiQDkU
  • fuDjwDSVg0nE0qOCHY376QlaaSSCZfwuS3k7GMoh0Bbuo7mqOjboyTsHvsGBEYq4gcKVsOuN+FCXHvifTnFL6A==
  • MS=ms57025877
  • _rgyuv0nlrl605ra6sr2fpna9bcppvx3
  • SPFv=spf1 include:spf-0017fe01.pphosted.com ~all
  • facebook-domain-verification=sjf5nvfs4bim4p9t82j49e7gwq560p
  • _lf3brb6gzea69ezqewvwb1ba9v96tye
  • _z5f5xo0758t0kaworaia8u2yni84kbs
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