seidelingenieria.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
seidelingenieria.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 05:02:34 UTC · ↺ Refresh

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MX Hostnames

  • seidelingenieria-com.mail.protection.outlook.com

MX Priorities

  • seidelingenieria-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.171.42.198 ↩ cm-188-171-42-198.telecable.es

Mail Server IPs

  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::10 ↩ mail-matpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA dns19.servidoresdns.net hostmaster.servidoresdns.net 2014042952 21600 3600 2419200 1800
Primary NS (mname)
dns19.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2014042952
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

dns20.servidoresdns.net
dns19.servidoresdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

5 records
  • selector2-seidelingenieria-com._domainkey.seidelingenieriasl.y-v1.dkim.mail.microsoft
  • google-site-verification=klmO1MZIuYlEgHwytEEiT8U5jdJFR_UUZuvHaRX4z5k
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=lIVa3Dlrsew-20dpD8YRQfpefLk1u7A9eMPNL8C1x-w
  • selector1-seidelingenieria-com._domainkey.seidelingenieriasl.y-v1.dkim.mail.microsoft
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