ciu20.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ciu20.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 17:28:27 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 172.64.146.34
  • 104.18.41.222
  • 2606:4700:440a::6812:29de
  • 2606:4700:440a::ac40:9222

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA chad.ns.cloudflare.com dns.cloudflare.com 2400432268 10000 2400 604800 1800
Primary NS (mname)
chad.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400432268
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chad.ns.cloudflare.com
lovisa.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:216.162.113.0/24 ip4:52.6.91.87 include:_spf.google.com include:email.freshservice.com include:spf.constantcontact.com include:emailus.freshservice.com include:_netblocks.icims.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 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

26 records
  • apple-domain-verification=IIsgWKz3uOoMoQwj
  • i0ja0l0jdiom0va0sp3uko4o39
  • lgk6o1i5m2d035th73ircvlpb6
  • frh37casvjilruj6sdvn4ckmen
  • EDJRU35YYY4KNUB586GCPWD92BT669P8
  • ZOOM_verify_MUsVG5NMQF2yUh0RVhV_iw
  • atlassian-domain-verification=CoQNbLkeJrDa6olLkaNOiivv6MwPoydMXwYUUYFauPFShK3V3uKRYpqIJHmrbaOB
  • NG39A8833V298ZHVZEUXF963NH6F7X5W
  • vdidgfttaop49h9uk229gvrb43
  • bw=g4pQkY/XnnPFaVW3LeTazlZIBAPTymCM9TB8lnGhLFni
  • SPFv=spf1 ip4:216.162.113.0/24 ip4:52.6.91.87 include:_spf.google.com include:email.freshservice.com include:spf.constantcontact.com include:emailus.freshservice.com include:_netblocks.icims.com ~all
  • eterboqrnoaebbnnc477ei0sbb
  • 5psb7aglme5mn79vah935866kn
  • docusign=2c84d8e4-584b-4a2a-8a17-258cf7da660c
  • qpdfu1oapm4ibfon38cdrb188k
  • K6QBFKFC9CC82JR6RJ2V2CHWKDUCBG56
  • E9M7CBHC36QFFQ9JECPK83XG6ZYUD33H
  • m9h7fan5e06fdo5rpt1s1jkvq
  • odoe1ilf1qmj5cmlm5599aie1f
  • gped69639f7f9fp559jdq05oi3
  • q72uuhpq50mmlfgi2t18qn2262
  • URZGN2NFJEP94KEUCRXBCTPHPTEK3FUC
  • VD7FR7BGJQSSBM32TAAYPNWWQN379Y26
  • en8opqb2bovo13jkjimln5a52v
  • duo_sso_verification=hhBxXW8dLHyHeUCL3qV8RAMUyJuuIECzzjaMlYnt8liFkrKUYB7Nf2VKsoViKBMZ
  • bt7f5kn8diag18q0aduf4igsc1
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