Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sertei.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 10:23:00 UTC · ↺ Refresh
MX Hostnames
- sertei-com.mail.protection.outlook.com
MX Priorities
- sertei-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.210.96.119 (no PTR)
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hosting577.com root.hosting577.com 1758948377 28800 7200 604800 86400
Primary NS (mname)
ns1.hosting577.com
Admin Email (rname)
root@hosting577.com
Serial
1758948377
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.hosting577.com
ns4.hosting577.com
ns2.hosting577.com
ns3.hosting577.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:44123127.spf03.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- sendinblue-site-verification=6314315
- sophos-domain-verification=de6abf53a41ef2847da00b700520e17baa8482f250e1d6daf5f2af9e60812220
- SPFv=spf1 include:spf.protection.outlook.com include:44123127.spf03.hubspotemail.net -all
Full email verification for sertei.com
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