Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knoxservices.com
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:55:31 UTC · ↺ Refresh
MX Hostnames
- cluster6.us.messagelabs.com
- cluster6a.us.messagelabs.com
MX Priorities
- cluster6a.us.messagelabs.com: 20
- cluster6.us.messagelabs.com: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com
- 67.219.246.217 ↩ mail903.messagelabs.com
- 67.219.247.196 ↩ mail928.messagelabs.com
- 67.219.250.213 ↩ mail944.messagelabs.com
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 125123112 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125123112
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns75.worldnic.com
ns76.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:64.60.171.199 ip4:64.60.171.198 ip4:64.60.171.222 include:_phishspf.knowbe4.com include:spf.messagelabs.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=ZfUq4w6XoZkt7AZjhCpjwCNz6MTXEig5fLs-qb3FWaw
- 539c147g19p46i723otb2gn35t
- MS=B1BE76BD55D4FC4BC3E7500C5BAA84EC0C1850EC
- SPFv=spf1 a mx ip4:64.60.171.199 ip4:64.60.171.198 ip4:64.60.171.222 include:_phishspf.knowbe4.com include:spf.messagelabs.com -all
- 3avl1ge4r6u2e4bbgv62enjqra
- facebook-domain-verification=709kbvs1glee8ftb19lcp9nrnh223y
Full email verification for knoxservices.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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