Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colt.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:06:47 UTC · ↺ Refresh
MX Hostnames
- colt-net.mail.protection.outlook.com
MX Priorities
- colt-net.mail.protection.outlook.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.colt.net eudnsmaster.colt.net 2024104160 10800 1800 1209600 3600
Primary NS (mname)
ns20.colt.net
Admin Email (rname)
eudnsmaster@colt.net
Serial
2024104160
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns21.colt.net
ns20.colt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.colt.net include:_spfasia.colt.net include:spf.protection.outlook.com include:spf.mail-exchange.services ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- ms-domain-verification=2ee03593-6dfb-442f-9f40-d93d8165b0be
- docusign=08e8f91a-432a-4db4-a18a-51cffc2f6f60
- apple-domain-verification=Gtrsq6aXkfWN0x1p
- SPFv=spf1 include:_spf.colt.net include:_spfasia.colt.net include:spf.protection.outlook.com include:spf.mail-exchange.services ~all
- QuoVadis=7b6f99b2-6590-4098-97b6-a5f188fcffd3
- _cbeiylqt4kjj9481olkxs49v2vluqrb
- <13.06.2025>
- MS=ms94562898
- zscaler-verification-74239026-8212025-7GNw9T
- google-site-verification=UshzASKCpMsKUZ27MCk43NUJNldZ54sNxujmvdbkJvk
- google-site-verification=SWU7Pumb5QMulsw8ifLCS0eFK_ZqsgMbw9Wsgfw35LQ
Full email verification for colt.net
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