a8tec.com

Valid Email Server
Domain Lookup › a8tec.com

Domain Overview

DNS: ✓ 19d ago Checker: ✓ 19d ago
a8tec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 05:13:11 UTC · ↺ Refresh

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MX Hostnames

  • a8tec-com.mail.protection.outlook.com

MX Priorities

  • a8tec-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 167.250.5.26 ↩ nb26.servidoraweb.net

Mail Server IPs

  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90b::2 ↩ mail-bnypr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.servidoraweb.net root.kratos.servidoraweb.net 2026092300 3600 1800 1209600 86400
Primary NS (mname)
dns1.servidoraweb.net
Admin Email (rname)
root@kratos.servidoraweb.net
Serial
2026092300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns1.servidoraweb.net
dns2.servidoraweb.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:167.250.5.26 include:servidoraweb.net include:spf.protection.outlook.com include:50453931.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • linkedin-site-verification=df8c2a6a-6f0c-4056-a293-54d73b46d5ba
  • SPFv=spf1 ip4:167.250.5.26 include:servidoraweb.net include:spf.protection.outlook.com include:50453931.spf03.hubspotemail.net -all
  • MS=08E968944EAD48717346C260211D992B84A2CDA1
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