Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
e3co.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 07:59:31 UTC · ↺ Refresh
MX Hostnames
- e3co-com.mail.protection.outlook.com
MX Priorities
- e3co-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010152 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010152
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns4.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 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
11 records- smartsheet-site-validation=_ekNzQ_Djz3mLxbTam1bC3Pdz6pZeIum
- have-i-been-pwned-verification=5a702c5b33b3c3f27446c934a6c96a68
- rPBFagGa7lSfB7A4aF2gYcaDyriaYOXNiowIkUVMshKcJNDA20jzPv6RgSc68eP7m7IVu4z4wa+uzezheMtEcQ==
- 5vfknkhjl3iael53s40utjl1df
- SPFv=spf1 include:spf.protection.outlook.com -all
- csn146wyyrk7by4dfr6zckmv2yr7l114
- umhnoqfpqjrvjg6p3pbfienima
- MS=ms18588956
- 0ed1fe018a0b5778b9f0f441b7a4d7e79f32a224ac
- 4nvtfaqhs2ipjqh232vnepb8g7
- bw=ImB4kNMQH+Hu4peqawx61dRyCPtv5n/6zdgrAzOJjFC0
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