cmlibrary.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
cmlibrary.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-18 03:26:29 UTC ยท โ†บ Refresh

MX Hostnames

  • cmlibrary-org.mail.protection.outlook.com

MX Priorities

  • cmlibrary-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.59.215.242 (no PTR)

Mail Server IPs

  • 52.101.8.42 โ†ฉ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.41.4 โ†ฉ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.11.19 โ†ฉ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 โ†ฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: โ†ฉ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: โ†ฉ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a โ†ฉ mail-co1pr21cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA mcmdns1.mecklenburgcountync.gov hostmaster.plcmc.org 2016081351 43200 3600 2419200 86400
Primary NS (mname)
mcmdns1.mecklenburgcountync.gov
Admin Email (rname)
hostmaster@plcmc.org
Serial
2016081351
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

mcns2.mecklenburgcountync.gov
mcns1.mecklenburgcountync.gov

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:198.86.33.73 ip4:198.86.33.74 include:spf.protection.outlook.com include:outboundmail.convio.net include:spf.constantcontact.com include:spf.hes.trendmicro.com include:_spf.qualtrics.com include:spf.mandrillapp.com ~all
๐Ÿ“Š DNS lookups: 6/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ 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
  • knowbe4-site-verification=0774f9bb4e2df506cde74fc86e666074
  • apple-domain-verification=EVfSY3d7RPwYVntA
  • SPFv=spf1 ip4:198.86.33.73 ip4:198.86.33.74 include:spf.protection.outlook.com include:outboundmail.convio.net include:spf.constantcontact.com include:spf.hes.trendmicro.com include:_spf.qualtrics.com include:spf.mandrillapp.com ~all
  • google-site-verification=ctYYorQ4EdEZFQSOZwuhR71U2YTPW_N8fp44QkC_Ipo
  • dx8dhy6sc38qtn7wxzp7m0zgxggj9j1h
  • hes=25dc4c7191bf64fb9d134983c2b69460
  • lyqvnjgfxw75q19v7jmd965gnyyytmlm
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