Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upflux.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:33:31 UTC · ↺ Refresh
MX Hostnames
- upflux-net.mail.protection.outlook.com
MX Priorities
- upflux-net.mail.protection.outlook.com: 0
A / AAAA Records
- 76.13.90.163 (no PTR)
Mail Server IPs
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-738.awsdns-28.net awsdns-hostmaster.amazon.com 2023090101 7200 900 1209600 86400
Primary NS (mname)
ns-738.awsdns-28.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2023090101
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1172.awsdns-18.org
ns-147.awsdns-18.com
ns-2012.awsdns-59.co.uk
ns-738.awsdns-28.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:app.sensedata.com.br include:21139837.spf07.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
6 records- MS=ms85889058
- atlassian-domain-verification=eF6o21uz/0trgxei8D5i/88xvEh7UTH/cPYK8tgktopdNuKO8jn5wsRoTgGLQta2
- atlassian-sending-domain-verification=25051b43-f845-4ddb-b124-ad8ee28a4261
- ec2-13-58-11-76.us-east-2.compute.amazonaws.com
- facebook-domain-verification=r6q2mr825in2x7xlxgfvbpzssrmw0h
- SPFv=spf1 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:app.sensedata.com.br include:21139837.spf07.hubspotemail.net -all
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