Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
c2fo.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-18 04:18:18 UTC ยท โบ 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 โฉ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.12 โฉ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.42.14 โฉ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.10.2 โฉ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 โฉ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 โฉ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: โฉ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: โฉ 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
โ 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
๐ 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)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
โ Public key: 216 chars (valid)
โ 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
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits