Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masters.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 05:39:24 UTC · ↺ Refresh
MX Hostnames
- masters-edu.mail.protection.outlook.com
MX Priorities
- masters-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.2 (no PTR)
- 2620:12a:8000::2 (no PTR)
- 2620:12a:8001::2
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-790.awsdns-34.net sysadmin.masters.edu 2016012206 7200 900 1209600 86400
Primary NS (mname)
ns-790.awsdns-34.net
Admin Email (rname)
sysadmin@masters.edu
Serial
2016012206
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1974.awsdns-54.co.uk
ns-790.awsdns-34.net
ns-1135.awsdns-13.org
ns-145.awsdns-18.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:mailchimpapp.net include:mailgun.org include:spf1.formassembly.com include:stspg-customer.com include:zeptomail.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
14 records- ip4:192.2.128.0/18 ip4:205.201.128.0/20 ip4:204.14.234.64/28 ip4:204.14.232.64/28 ip4:182.50.78.64/28 ip4:96.43.144.64/31
- google-site-verification=AQznGgCeYdXTaYJL19ribRycuXG1U9GcPUhOh8YQ7PI
- tmuportal-test.azurewebsites.net
- status-page-domain-verification=srvvm8sq5f86
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:mailchimpapp.net include:mailgun.org include:spf1.formassembly.com include:stspg-customer.com include:zeptomail.net ~all
- anthropic-domain-verification-ry9g71=H9fM2itPxkqIXPmK5cRucGIKT
- 3L00SK10KU9EHX0IW2KY1CUK1ND6QYIDHWO8A4T26
- ip4:23.253.182.113 ip4:167.89.92.142 ip4:198.21.0.156 ip4:167.89.92.142 ip4:168.245.46.207 ip4:168.245.64.222 ip4:168.245.70.33 ip4:168.245.92.69 ip4:168.245.92.70 ip4:168.245.92.72 ip4:168.245.104.207
- google-site-verification=h9e2tUdT57omyf4ysfR4WkJir5G1TH4r3pHOARE4TvI
- google-site-verification=NAg-NvjzWKkXcQ3VhjEmg3x5HdOJJE8dntXzbyWU4Yk
- ip4:96.43.148.64/31 ip4:69.75.152.160/28 ip4:159.135.228.232 ip4:159.135.232.65 ip4:161.38.193.223 ip4:161.38.193.230 ip4:161.38.193.235 ip4:161.38.194.153 ip4:161.38.194.172 ip4:161.38.194.198 ip4:198.244.48.135 ip4:161.38.193.170
- ip4:204.130.172.60 ip4:13.108.0.0/14 ip4:96.43.144.0/20 ip4:136.146.0.0/15 ip4:45.59.193.224/28 ip4:52.224.142.128/32
- bw=Ef1afPMFXdo94+aCW2rFYQ388RtuvxFrjvHj2b/kKTyy
- ZOOM_verify_lQv3tnMO1r75QiJVbrs7qA
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