mckoolsmith.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mckoolsmith.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 23:35:12 UTC · ↺ Refresh

MX Hostnames

  • mckoolsmith-com.mail.protection.outlook.com

MX Priorities

  • mckoolsmith-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 216.157.108.97 ↩ d89d6c61.client-ipv4.firmseek.net
  • 72.32.131.23 ↩ www-dispatch.firmseek.com

Mail Server IPs

  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns81.worldnic.com namehost.worldnic.com 125120123 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120123
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns82.worldnic.com
ns81.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:66.216.124.128/32 ip4:216.58.154.192/32 ip4:216.58.154.194/32 ip4:216.58.154.198/32 ip4:216.58.154.205/32 ip4:216.58.154.201/32 ip4:216.58.154.202/32 ip4:13.77.82.210/32 ip4:52.235.47.135/32 ip4:13.71.166.215/32 ip4:40.85.203.99/32 ip4:52.156.7.234/32 ip4:52.138.15.33/32 a:smtp.mckoolsmith.com include:spf.constantcontact.com include:spf.protection.outlook.com include:protection.outlook.com include:spf-client.firmseek.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

9 records
  • apple-domain-verification=KvjMEWM5mo7Xa4xv
  • adobe-idp-site-verification=c5474618ddf1637da35fcdf1f77e277e99140cc2f6098e1a52d972cbe0319854
  • mwqp5yn2h68tv63vmbw3ndb955jkz10t
  • 5bB1ukY923A0SY3ZkcV6kg4C1TfNgCZ7MoKqKutr8/fNYn95ZSPg8sTEPmHScmOHh5+WB9SGcoNAzCX3/7EsNw==
  • ZOOM_verify_Xm1Y02huRDetWdoYAPPe4Q
  • McKoolsmith.com IN TXT O98s4YiGfCVlAHjwFkxdpra0DTb+8uzE+fc7NUiT0IDKBbleLZa6Ir5Qp7ed0N23KfcQcxEFgjwY6/Hd4CYIXg==
  • cisco-ci-domain-verification=5e4dee0ee4f4cf45807d24201e133452ba3306db7c3bab3d4e57efc0607db44a
  • SPFv=spf1 mx a ip4:66.216.124.128/32 ip4:216.58.154.192/32 ip4:216.58.154.194/32 ip4:216.58.154.198/32 ip4:216.58.154.205/32 ip4:216.58.154.201/32 ip4:216.58.154.202/32 ip4:13.77.82.210/32 ip4:52.235.47.135/32 ip4:13.71.166.215/32 ip4:40.85.203.99/32 ip4:52.156.7.234/32 ip4:52.138.15.33/32 a:smtp.mckoolsmith.com include:spf.constantcontact.com include:spf.protection.outlook.com include:protection.outlook.com include:spf-client.firmseek.com ~all
  • atlassian-domain-verification=q3NAM0GW2EVYfRnM8mWTxV0Rq/LvnEQi99LNPCala5jS2A7eidhi8yzCf67gJU0n
Full email verification for mckoolsmith.com

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