mensa.org.sg

Valid Email Server
Domain Lookup › mensa.org.sg

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mensa.org.sg
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 14:30:50 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 172.67.180.127 (no PTR)
  • 104.21.83.183
  • 2606:4700:3031::ac43:b47f
  • 2606:4700:3037::6815:53b7

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA aragorn.ns.cloudflare.com dns.cloudflare.com 2397152271 10000 2400 604800 1800
Primary NS (mname)
aragorn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397152271
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

aragorn.ns.cloudflare.com
janet.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:74.125.82.44 +ip4:207.210.202.9 +ip4:209.85.220.49 +ip4:174.123.243.145 +ip4:139.59.240.149 include:_spf.google.com include:spf.mandrillapp.com a:mail-pa0-f50.google.com include:_spf.elasticemail.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 +a +mx +ip4:74.125.82.44 +ip4:207.210.202.9 +ip4:209.85.220.49 +ip4:174.123.243.145 +ip4:139.59.240.149 include:_spf.google.com include:spf.mandrillapp.com a:mail-pa0-f50.google.com include:_spf.elasticemail.com -all
  • MS=ms48132470
  • google-site-verification=fsPgOU242AAPSqe4ajVKW3ckxOY1vBJmbB0MJtPs3bM
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