Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a1tsp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 23:45:29 UTC · ↺ Refresh
MX Hostnames
- a1tsp-com.mail.protection.outlook.com
MX Priorities
- a1tsp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.domaincontrol.com dns.jomax.net 2026031201 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns25.domaincontrol.com
ns26.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.a1tsp_com._d.easydmarc.pro -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
6 records- MS=ms98230968
- apple-domain-verification=kRfgTSVZY0oqVycf
- adobe-idp-site-verification=37b7864ec69dbb76a8c800226e6649b34256f219d72824455d4fa177676593a4
- SPFv=spf1 include:_spf.a1tsp_com._d.easydmarc.pro -all
- 1password-site-verification=UTVYBAJ5EBBQJE3W7HMRYA6JQM
- knowbe4-site-verification=2d9487900d76730cbeaed696943ab9a2
Full email verification for a1tsp.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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