c2fo.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
c2fo.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 04:18:18 UTC ยท โ†บ Refresh

MX Hostnames

  • c2fo-com.mail.protection.outlook.com

MX Priorities

  • c2fo-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.194.4 โ†ฉ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.9.12 โ†ฉ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.42.14 โ†ฉ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.10.2 โ†ฉ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 โ†ฉ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 โ†ฉ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: โ†ฉ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: โ†ฉ mail-cy5pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1771.awsdns-29.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1771.awsdns-29.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-28.awsdns-03.com
ns-820.awsdns-38.net
ns-1530.awsdns-63.org
ns-1771.awsdns-29.co.uk

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:4.14.48.138 ip4:34.213.159.149 ip4:38.140.137.146 include:spf.protection.outlook.com include:mktomail.com include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:50463701.spf05.hubspotemail.net include:relay.mailchannels.net ~all
๐Ÿ“Š DNS lookups: 8/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

14 records
  • miro-verification=1308b1c5eef6dabacd1ef19c61d30fd8330d9616
  • google-site-verification=Xnzn0JD15EKm-OTgtL1sDun6B9lTn09Sx0RP6dO-2tU
  • google-site-verification=tVq-AVMu5unCAjt5Uw-tQKNAs9Tz_8wajf1pQFk5UlU
  • have-i-been-pwned-verification=ad0b003707f3bb187207baa913b16a89
  • atlassian-domain-verification=mCO4eCZicqsjvloIyo8aCsqZOigqzK2k/TqGXIXyA5XXw2aNx44mjkkodBM2pYQI
  • SPFv=spf1 ip4:4.14.48.138 ip4:34.213.159.149 ip4:38.140.137.146 include:spf.protection.outlook.com include:mktomail.com include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:50463701.spf05.hubspotemail.net include:relay.mailchannels.net ~all
  • krisp-domain-verification=pk7sNf948FnpHhJG9ZBWXceauIbd7Grq
  • google-site-verification=UDxe8df0GkAqRdgODPPlZVIpJdELD4K5OfZPo2S856s
  • Token: SFMC-7wykXsi2Tw9myZrqSrFhTo9BpIo0kCZ9_I9K6-3v
  • google-site-verification=My5LeIXRBPBT-73XpH3FNSp0DUAQvPxquwur6vZsKDs
  • MS=ms90386424
  • atlassian-domain-verification=s7bSdLYE9t/qzVj/BTZHBzAy2l8CPmKqHV7K/E9Oc9/xpqJFlCf4nyRviJzIdUgJ
  • duo_sso_verification=yb6WjXvNi6NSW4dZ5g9RRmubVV8RVaYKFeXohg0HaqGBspdVgoUrN2WteDmNaP8p
  • sending_domain1030131=87c9899d4557bd0df414b9c827e0d558eecb78090605b656e747489a094c637d
Full email verification for c2fo.com

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