Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
montgomerycountymd.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:22:14 UTC · ↺ Refresh
MX Hostnames
- montgomerycountymd-gov.mail.protection.outlook.com
MX Priorities
- montgomerycountymd-gov.mail.protection.outlook.com: 20
A / AAAA Records
- 104.18.31.168 (no PTR)
- 104.18.30.168 (no PTR)
- 2606:4700::6812:1fa8
- 2606:4700::6812:1ea8
Mail Server IPs
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 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
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.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
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2400406849 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400406849
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.net
blue.foundationdns.org
blue.foundationdns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.157.57.243 ip4:208.117.56.57 include:mail.zendesk.com include:spf.mailjet.com include:spf.protection.outlook.com include:spf.outreachsystems.com include:amazonses.com include:spf-008a4301.pphosted.com include:spf-008a4302.pphosted.com include:spf-009c9501.pphosted.com include:sparkpostmail.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],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],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- mjf2t3cd16clg665jh6c7vcqn3
- nintex.66070f514451a899ec1693a2
- SPFv=spf1 ip4:64.157.57.243 ip4:208.117.56.57 include:mail.zendesk.com include:spf.mailjet.com include:spf.protection.outlook.com include:spf.outreachsystems.com include:amazonses.com include:spf-008a4301.pphosted.com include:spf-008a4302.pphosted.com include:spf-009c9501.pphosted.com include:sparkpostmail.com -all
- xISBaSfyZaMBgZ9E3AQbrLVPGN6Nf+oeXbJxP801X8FfeU21LCMQBO6ehpnnwNDqaZL4aCaT1txdcwW6DHgNGw==
- MS=ms71977918
- MS=ms96304099
- apple-domain-verification=yXUQHEbPwPAQ0f5i
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