csiu.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
csiu.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-04-02 17:28:25 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

  • csiu-org.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.17.71.73 (no PTR)

Mail Server IPs

  • 52.101.8.34 โ†ฉ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.9.12 โ†ฉ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.10.1 โ†ฉ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.8.46 โ†ฉ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 โ†ฉ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 โ†ฉ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: โ†ฉ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: โ†ฉ mail-cy5pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA barbara.ns.cloudflare.com dns.cloudflare.com 2400102260 10000 2400 604800 1800
Primary NS (mname)
barbara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400102260
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

damiete.ns.cloudflare.com
barbara.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:207.229.76.58/32 ip4:207.229.76.66/32 ip4:204.186.159.16/32 ip4:204.186.159.9/32 ip4:52.206.191.224/27 ip4:207.229.76.87/32 include:spf.protection.outlook.com include:_spf.bbnotify.net include:zoho.com include:spf.constantcontact.com include:transmail.net include:_spf.qp-mail.com ~all
๐Ÿ“Š DNS lookups: 6/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

8 records
  • SPFv=spf1 ip4:207.229.76.58/32 ip4:207.229.76.66/32 ip4:204.186.159.16/32 ip4:204.186.159.9/32 ip4:52.206.191.224/27 ip4:207.229.76.87/32 include:spf.protection.outlook.com include:_spf.bbnotify.net include:zoho.com include:spf.constantcontact.com include:transmail.net include:_spf.qp-mail.com ~all
  • 41433a117322536601c0a105c3879f61a24cc5fa87931ca3b8
  • VIbox6+2VAjhM1B3O+3o/zWjtQpoP6iAiIV4KwG0EoPm5ZHZ7xt5f/gJufEy9wKJPHayaX/J4+TTLO49avFhrQ==
  • apple-domain-verification=JUBbbNHuWj9bBTF0
  • google-site-verification=SHWul4rwVFtlvw4yP_51KO-bRfrAKRThY-J1eDLZ1VM
  • heygen-verification=wwmzijfg40kofmkrajakajgofqc0qk2g
  • kn1hhkjzc2bmc5b3spr59nj7672sh578
  • openai-domain-verification=dv-Td4wqUFpuZu8fWgJ2ansGNr1
Full email verification for csiu.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits