concordiashanghai.org

Valid Email Server
Domain Lookup › concordiashanghai.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
concordiashanghai.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 05:53:58 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • concordiashanghai-org.mail.protection.outlook.com

MX Priorities

  • concordiashanghai-org.mail.protection.outlook.com: 1

A / AAAA Records

  • 47.239.171.167 (no PTR)

Mail Server IPs

  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns7.alidns.com hostmaster.hichina.com 2026010913 3600 1200 86400 600
Primary NS (mname)
ns7.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010913
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

ns8.alidns.com
ns7.alidns.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:45.251.104.18 ip4:202.134.71.92 ip4:202.134.71.91 ip4:211.152.40.148 include:_spf.google.com a:smtp.concordiashanghai.org include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

9 records
  • SPFv=spf1 ip4:45.251.104.18 ip4:202.134.71.92 ip4:202.134.71.91 ip4:211.152.40.148 include:_spf.google.com a:smtp.concordiashanghai.org include:spf.protection.outlook.com include:servers.mcsv.net -all
  • ZOOM_verify_FlqoW2vFTAyprJ9pUXaNjg
  • a33sgl3kmsa6ugjl5ntn52lhmm
  • 5XpAGZzWAUl2T5fRs92lIH/4athNjf5RhaNBMPQ1jRYMxBXzI3yAxGEj2AYuc7LXtpMlHf4Zj7OMgw38THq4vA==
  • MS=ms91209882
  • hkb8f6mlm8fa8e65ql2im4i546
  • google-site-verification=DxolfVd3PwW-s_SpuoJWRCzMQ7cBa37HIZnEB_aeDGA
  • google-site-verification=cd2x04cMMLVWTlE_7--yZiNIx32XUvAWKQ5b6Xe_RP8
  • google-site-verification=wzTNFB5mZaD0yG0_7gH2Y7OovchK8sjEqbZ429sDnBg
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for concordiashanghai.org

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits