Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dslaboratories.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 06:50:09 UTC · ↺ Refresh
MX Hostnames
- dslaboratories-com.mail.protection.outlook.com
MX Priorities
- dslaboratories-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.80.154 (no PTR)
- 172.67.151.86 (no PTR)
- 2606:4700:3033::6815:509a
- 2606:4700:3031::ac43:9756
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
cloe.ns.cloudflare.com dns.cloudflare.com 2399236218 10000 2400 604800 1800
Primary NS (mname)
cloe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399236218
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
miles.ns.cloudflare.com
cloe.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:d303136.o.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
12 records- google-site-verification=vzj2HV8Fj9u5OvBBBweQd6VBqqA0O4gIGjgyRdAtarU
- klaviyo-site-verification=Ky4CPA
- mscid=s8MqRPOfgMn28V64ft1QPqF0nIo1JG1UUziL+MkQVlzGy9zwwX7SOaDJX7LpE4nGPH5U3bKDWofWoSdlfdWQYQ==
- SPFv=spf1 include:spf.protection.outlook.com include:d303136.o.ess.barracudanetworks.com -all
- MS=ms98301670
- facebook-domain-verification=io30zmyzra8z1ozsd6nlgr24ig88rq
- facebook-domain-verification=kfuwxakgmy17j5s73yu5jcw0r4k0yi
- facebook-domain-verification=oe4sve1azg5tuk0d34rdbwgshcr6dp
- facebook-domain-verification=rg251jusuq0zs9j9ymc9odm1svcn42
- google-site-verification=bCUzoHqlfY6sH4e3RI0G1w3nbfkZJ3JVITsxYWDvjBw
- google-site-verification=k5IAECRBHY81qqZbbktCi1v6CCELRPWe9S4GtY0WP_Y
- google-site-verification=s1UeWrxdFmU4NY-s15ijuPemGBeswCk5o5LsK9m0hJs
Full email verification for dslaboratories.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits