Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
princeton.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 20:08:29 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 165.140.156.185
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
a1.uberns.com it.princeton.com 2602130002 14400 7200 259200 900
Primary NS (mname)
a1.uberns.com
Admin Email (rname)
it@princeton.com
Serial
2602130002
Refresh
14400s
Retry
7200s
Expire
259200s
Minimum TTL
900s
Nameservers (NS)
b1.uberns.net
a1.uberns.com
a1.uberns.net
b1.uberns.com
SPF Record
✓ Strict (-all)
v=spf1 include:wabtec.com include:spf.mtasv.net include:_spf.google.com include:amazonses.com ip4:165.140.156.185 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:wabtec.com include:spf.mtasv.net include:_spf.google.com include:amazonses.com ip4:165.140.156.185 -all
- MS=ms37993045
- atlassian-domain-verification=4gypk5j4efZfY6dWfjAaeGT1QuMGtlN/xrmaIiXTLdaGOXBj5Zh4JuMPq7RzW2nn
Full email verification for princeton.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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