ligo.org

Valid Email Server
Domain Lookup › ligo.org

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
ligo.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 02:53:23 UTC · ↺ Refresh

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MX Hostnames

  • pmglcit.ligo.org
  • pmg.ligo-la.caltech.edu

MX Priorities

  • pmglcit.ligo.org: 20
  • pmg.ligo-la.caltech.edu: 10

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 131.215.114.54 ↩ pmglcit.ligo.org
  • 208.69.130.21 ↩ pmg.ligo-la.caltech.edu
  • 2607:f390:3ff2:13::21 ↩ pmg.ligo-la.caltech.edu

SOA Record

Raw SOA ligo.ligo.caltech.edu hostmaster.ligo.caltech.edu 2026061100 10800 900 604800 3600
Primary NS (mname)
ligo.ligo.caltech.edu
Admin Email (rname)
hostmaster@ligo.caltech.edu
Serial
2026061100
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.ligo-la.caltech.edu
mercutio.ni.caltech.edu
tepid.ni.caltech.edu
ligo.ligo.caltech.edu
ns1.ligo-wa.caltech.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:208.69.128.0/22 ip4:131.215.0.0/16 ip4:129.89.0.0/16 ip4:18.9.0.0/11 ip6:2607:f390:3ff0::/44 +a:sympa.ligo.org +a:mx0.ligo-wa.caltech.edu a:mailhost.tifr.res.in include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • v=spf2.0/pra
  • google-site-verification=V25-_PKKCcSyhJXAizhRk6qLpIOdgobqozMWnSK3y94
  • SPFv=spf1 a mx ip4:208.69.128.0/22 ip4:131.215.0.0/16 ip4:129.89.0.0/16 ip4:18.9.0.0/11 ip6:2607:f390:3ff0::/44 +a:sympa.ligo.org +a:mx0.ligo-wa.caltech.edu a:mailhost.tifr.res.in include:_spf.google.com include:spf.protection.outlook.com ~all
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