redwoodcity.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
redwoodcity.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-30 02:58:50 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.8.50 โ†ฉ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.11.12 โ†ฉ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.52 โ†ฉ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 โ†ฉ mail-blapr09cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 โ†ฉ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 โ†ฉ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: โ†ฉ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 โ†ฉ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns51.domaincontrol.com dns.jomax.net 2026031700 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns52.domaincontrol.com
ns51.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:76.14.0.174 ip4:75.149.37.231 ip4:69.5.90.105 include:_netblocks.eloqua.com include:spf_c.oraclecloud.com include:spf.constantcontact.com include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];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

11 records
  • v=verifydomain MS=7157529
  • SPFv=spf1 ip4:76.14.0.174 ip4:75.149.37.231 ip4:69.5.90.105 include:_netblocks.eloqua.com include:spf_c.oraclecloud.com include:spf.constantcontact.com include:spf.protection.outlook.com -all
  • ZOOM_verify_lQeEBHb7Q96mDThX2fDYoQ
  • adobe-idp-site-verification=d3ce419d90edb2f9dd2c1e3ffe43426c050ab9839f523f0388dd56ec188ce588
  • google-site-verification=afUXv-O-57NqMd8IANRrabd_7Aj9TKatbMLXX6w1WcY
  • MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsf91DmHYne+R6beBt52rEhFCNdF7tYNR+gErhUWY/weY/EKMVpkmqRMrGnDZHyEDuou9EJ+XLZ16Rk7MSf82P3zm6okoeqrdhjix6FtYvYkJ611RCFsxcD+IBvkPJq+l+CbDPTEU0vYtVLl07LC3mfVy1UWPr+9HS5aaW6JIE3wIDAQAB
  • google-site-verification=7fxvT-BaZ_YaJfriG05Jw6PZdbvdvThqdMHwzn0sm_o
  • google-site-verification=HpyqU80JOeUZ9y4z5n9iHN2xDFGEe18BXbkhbvC1xnI
  • apple-domain-verification=scw17NZe0QeAm7TM
  • MS=DD8AADC179FDD447F4EC4326E169AFBD0B7DB411
  • atlassian-domain-verification=HbRlZ1C/dgHMmEPqd4z//7lVSxhatQX3EqB4VeF1P7ZfKtopgk6QfbESD6M4cgap
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits