Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hydrotechengineering.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:17:37 UTC · ↺ Refresh
MX Hostnames
- hydrotechengineering-com.mail.protection.outlook.com
- mxa-009d3f01.gslb.pphosted.com
- mxb-009d3f01.gslb.pphosted.com
MX Priorities
- hydrotechengineering-com.mail.protection.outlook.com: 20
- mxa-009d3f01.gslb.pphosted.com: 10
- mxb-009d3f01.gslb.pphosted.com: 10
A / AAAA Records
- 46.252.153.136
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 66.159.239.197 ↩ mx0b-009d3f01.pphosted.com
- 66.159.241.225 ↩ mx0a-009d3f01.pphosted.com
SOA Record
Raw SOA
dns1.netsons.net admin.netsons.com 2026012001 3600 2400 604800 3600
Primary NS (mname)
dns1.netsons.net
Admin Email (rname)
admin@netsons.com
Serial
2026012001
Refresh
3600s
Retry
2400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.netsons.net
dns1.netsons.net
dns4.netsons.net
dns3.netsons.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-009d3f01.pphosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected];
ruf=mailto:[email protected]
~ 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf-009d3f01.pphosted.com -all
- MS=ms34099002
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