Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tws.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 00:32:13 UTC · ↺ Refresh
MX Hostnames
- tws-edu.mail.protection.outlook.com
MX Priorities
- tws-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 104.21.67.10 (no PTR)
- 172.67.167.112 (no PTR)
- 2606:4700:3030::6815:430a
- 2606:4700:3034::ac43:a770
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
aryanna.ns.cloudflare.com dns.cloudflare.com 2398901822 10000 2400 604800 1800
Primary NS (mname)
aryanna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398901822
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aryanna.ns.cloudflare.com
nico.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:63.150.45.220 ip4:159.65.229.49 ip4:206.128.138.61 include:sendgrid.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.us.exclaimer.net include:mailgun.org ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 7 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
zoho._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
13 records- google-site-verification=6wARdZc6kjWMNc-eQXvlIa-r5XaonQlSLW-EPdGazEY
- jkslpqe4btcojagc22g2mfcsae
- kID3sAGaScgYUxh33yWKygw9M7tb8/DNfEgEsKxzkN7OgHuaUiePgwqqkjEZgK1fimNFm4gipa53yUb5Ztu/Ng==
- knowbe4-site-verification=897074106a7a7a66692833f74d1d5f38
- pardot837353=f402929ff70cb1bd00eb8aa331fd2d631943b3950075c443ee4b899ddced5e66
- rcv7bd37eokt77r39luicfgugp
- SPFv=spf1 a ip4:63.150.45.220 ip4:159.65.229.49 ip4:206.128.138.61 include:sendgrid.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.us.exclaimer.net include:mailgun.org ~all
- MS=ms65610697
- brevo-code:844ddf5d1bdcdacfab22f8022ea26f4d
- dar7qhamct0o8ntc4ovjjjsraa
- e072melq8sitab6ef3t12s68nk
- facebook-domain-verification=gpf3zj7vxtp0748qerarrdhk6fzgaf
- fd7o336osg5dl3bg9jejofvgqu
Full email verification for tws.edu
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