nysut.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nysut.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 21:24:22 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • nysut-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 20.228.230.53 (no PTR)

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-02.azure-dns.info
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:208.86.168.7 ip4:13.90.194.255 ip4:199.233.77.29 ip4:199.233.77.10 ip4:70.60.37.241 ip4:70.60.37.247 ip4:174.143.166.246 ip4:199.233.77.20 ip4:50.56.133.230 ip4:198.207.147.224/27 ip4:204.239.0.224/27 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • teamviewer-sso-verification=2433ae1ac900444abba5be69740f04d7
  • ZOOM_verify_5_35gokGQWu2f7sNZ5bdtw
  • apple-domain-verification=XgAlfCSjFoagCqwK
  • MS=ms65275166
  • google-site-verification=6mqDvPB9m6mGJXsnDf0RzI1wFXyoPQ4ZjdcPKgjI0dM
  • SPFv=spf1 a mx ip4:208.86.168.7 ip4:13.90.194.255 ip4:199.233.77.29 ip4:199.233.77.10 ip4:70.60.37.241 ip4:70.60.37.247 ip4:174.143.166.246 ip4:199.233.77.20 ip4:50.56.133.230 ip4:198.207.147.224/27 ip4:204.239.0.224/27 include:spf.protection.outlook.com -all
  • jamf-site-verification=B_HTqx9SR9HAdKDF9oIGqg
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