Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cls-services.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:21:01 UTC · ↺ Refresh
MX Hostnames
- scn003us.cls-services.com
- scn004gb.cls-services.com
- scn004us.cls-services.com
- scn003gb.cls-services.com
MX Priorities
- scn003us.cls-services.com: 15
- scn004gb.cls-services.com: 10
- scn003gb.cls-services.com: 15
- scn004us.cls-services.com: 10
A / AAAA Records
- 77.73.121.55 (no PTR)
Mail Server IPs
- 38.65.4.169 ↩ scn003us.cls-services.com
- 85.90.229.11 ↩ scn004gb.cls-services.com
- 85.90.229.10 ↩ scn003gb.cls-services.com
- 38.65.4.170 ↩ scn004us.cls-services.com
SOA Record
Raw SOA
auth1.dns.cogentco.com dns.cogentco.com 2026033003 10800 3600 604800 43200
Primary NS (mname)
auth1.dns.cogentco.com
Admin Email (rname)
dns@cogentco.com
Serial
2026033003
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
auth1.dns.cogentco.com
auth2.dns.cogentco.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:213.52.134.216 ip4:38.65.13.165 ip4:85.90.229.10 ip4:85.90.229.11 ip4:38.65.4.169 ip4:38.65.4.170 ip4:38.65.13.167 ip4:213.52.135.130 include:oktamail.cls-services.com include:_spf.porteighty.hosting a:secmail.ultipro.com a:mailhost.sapphire-cloud.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],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],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- cisco-ci-domain-verification=4729af0d237d634a1744131603cd3e6d7dd656996c4b26bb82d7471bc36b773
- 49fce049086840a2a1c06fd32b6938df
- flexera-domain-verification-bdsdiwfcgvoeysop
- Dynatrace-site-verification=4b35adba-52df-48f3-be64-3e4aa646f090__i67rah079m9jd40lu7k3drr0b5
- zscaler-verification-168348902-11172025-uIjak82n
- SPFv=spf1 ip4:213.52.134.216 ip4:38.65.13.165 ip4:85.90.229.10 ip4:85.90.229.11 ip4:38.65.4.169 ip4:38.65.4.170 ip4:38.65.13.167 ip4:213.52.135.130 include:oktamail.cls-services.com include:_spf.porteighty.hosting a:secmail.ultipro.com a:mailhost.sapphire-cloud.net ~all
- atlassian-domain-verification=hLY9Uo7FNIC40ZiNQCk1ltyaaAg8UYQdRRWFz6LueBgaWTtQXHvnZWyWRhQlkP8k
- iFh8ntv32+vRYC14PHtNz8P57RsndGApZrHtRs8z9HrCQu16By+CJOQ1B6Hikja
Full email verification for cls-services.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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