i-mas.com

Valid Email Server
Domain Lookup › i-mas.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
i-mas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 10:43:04 UTC · ↺ Refresh

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MX Hostnames

  • imas-com0c.mail.protection.outlook.com

MX Priorities

  • imas-com0c.mail.protection.outlook.com: 10

A / AAAA Records

  • 212.227.228.214 (no PTR)

Mail Server IPs

  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::e ↩ mail-miypr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::24 ↩ mail-am6pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1122.ui-dns.biz hostmaster.1und1.com 2017060383 28800 7200 604800 600
Primary NS (mname)
ns1122.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060383
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1122.ui-dns.biz
ns1067.ui-dns.org
ns1035.ui-dns.com
ns1110.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.36.65.130 include:spf.protection.outlook.com include:spf.dominioabsoluto.net include:spf.sendinblue.com mx -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

5 records
  • SPFv=spf1 ip4:212.36.65.130 include:spf.protection.outlook.com include:spf.dominioabsoluto.net include:spf.sendinblue.com mx -all
  • Sendinblue-code:51f81c9c8aa7e22030f0773a2446ce37
  • google-site-verification=XIezG0hduqz5if4Fwjk8zb73goGVtVdM92EbfAACHAk
  • MS=ms13245231
  • google-site-verification=IXw8TKO-kR78eiY67M660VKe_ZkCPBzBWl8jwkHCRrA
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