colt.com

Valid Email Server
Domain Lookup › colt.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
colt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:40:11 UTC · ↺ Refresh

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MX Hostnames

  • colt-com.mail.protection.outlook.com

MX Priorities

  • colt-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.19.154.92 (no PTR)

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.206 ↩ mail-byapr05cu00806.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:f909::5 ↩ mail-bn0pr04cu00805.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns35.worldnic.com namehost.worldnic.com 126081810 10800 3600 604800 3600
Primary NS (mname)
ns35.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126081810
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns35.worldnic.com
ns36.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:12.185.48.20 include:spf.protection.outlook.com include:_spf.robly.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

14 records
  • SPFv=spf1 mx a ip4:12.185.48.20 include:spf.protection.outlook.com include:_spf.robly.com ~all
  • jd7lc63jqe8eqiuabli0agmpq1
  • e77k2f48vhapr04qm5rfjaqgs6
  • 7iovj0prdk218b5n2f59bjav6t
  • l15k7ol2tojnuqq6kfgs4ka17p
  • JrwoQROjWnv7YURr9KskZvvt2wmfqBnIyUgZTNS5pvngXNQmA4VR8zD3kvarz9/HrCSW1EhmNpZJsKxbZMraug==
  • dle4uj37vbpe62ftkgmgc3b31c
  • rhlvqg3s8d1982j4lu9jfnppi2
  • vso8m1chlk9m3s26lbkr2png7o
  • ekrm7mp0pvdlamnuhgs2s5673s
  • cajos5fijs5o2vnqo15arjvftl
  • MS=ms60763713
  • knowbe4-site-verification=15d45ce4b4d0096a04d914eca734fe2d
  • rmc3sn3eermrjnsmikdvbekf6e
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