Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
einstein.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 13:28:33 UTC · ↺ Refresh
MX Hostnames
- mail.jefferson.edu
MX Priorities
- mail.jefferson.edu: 0
A / AAAA Records
- 35.173.209.146
Mail Server IPs
- 147.140.23.52 ↩ smtpin02pa.jefferson.edu
- 147.140.23.51 ↩ smtp.jefferson.edu
- 147.140.23.35 ↩ smtpin01pa.jefferson.edu
- 147.140.23.64 ↩ mail.jefferson.edu
- 147.140.23.69 ↩ smtpin07pb.jefferson.edu
- 147.140.23.68 ↩ smtpin07pa.jefferson.edu
- 147.140.23.67 ↩ phishsensor02pa.jefferson.edu
- 147.140.23.66 ↩ res4.jefferson.edu
- 147.140.23.46 ↩ smtpin05pb.jefferson.edu
- 147.140.23.43 ↩ smtpin04pb.jefferson.edu
- 147.140.23.77
- 147.140.23.42
- 147.140.23.40
- 147.140.23.74
SOA Record
Raw SOA
authns2.qwest.net abuse.centurylinkservices.net 2260304000 10800 3600 604800 3600
Primary NS (mname)
authns2.qwest.net
Admin Email (rname)
abuse@centurylinkservices.net
Serial
2260304000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
authns2.qwest.net
authns1.qwest.net
SPF Record
✓ Strict (-all)
v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.30.spf-protect.agari.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
11 records- ip4:198.54.81.16 include:spf.protection.outlook.com
- apple-domain-verification=ROlCaukV5qO385bq
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIn1PhR4Mt6fV/mZ6Y9wX93OaPgAyQ7EWZmuXcNXrIS1Hzq5dh18ocK+lnLtdsyEggnN696+9ryq3a9Tt4i/7hOPmuqJEpdCfbY52JMZZNYcz28d/JG0Puo8Sby+4Pmk0kZdfqvS+kGM1Sclyrm19L2tvoi02OQ8dPP6Aw7iuibQIDAQAB
- google-site-verification=casuv75GTtKPK68QaRoxhJIYAFmtoM7Jk_lmUGL-IDI
- MS=0CA9A7268FD251D3745CD8571F5316BAAB9C03FC
- MS=ms43497899
- MS=ms60292613
- google-site-verification=6NgNZ3vIY08YZFyersIHpBkvIcphFAvVq0RBeTxGDFU
- k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCWyMJ9nVqNgTA7tYoHKnL+///jx8DACDHytLZJUu/hYC+WSwLvTkGUAIko/zPL9T9iQ6sG9uCQVDdYsovZo95FM0RKNxi00TBDRSJR8xL7Pmv+kev8JzQmo8ua0SLcu6kZemkTJV0vBusXAdixGSeGFQXrCskmnU3BMqF/JnthSwIDAQAB
- +tQmqWTCJWHSlLme8/TsDqGzGLu+rl75+UZDRYUPhgTH0h28r4Y+xlPOn3ow4Q8d9s/k6pReGi4vhYfbYnUv5g==
- SPFv=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.30.spf-protect.agari.com -all
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