Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
citco.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:44:32 UTC · ↺ Refresh
MX Hostnames
- mail3b.citco.com
- mail3a.citco.com
- mxb-00036401.gslb.pphosted.com
- mail2a.citco.com
- mail4a.citco.com
- mail2b.citco.com
- mail4b.citco.com
- mail1b.citco.com
- mail1a.citco.com
- mxa-00036401.gslb.pphosted.com
MX Priorities
- mxb-00036401.gslb.pphosted.com: 0
- mail1a.citco.com: 10
- mail2a.citco.com: 10
- mail3a.citco.com: 10
- mail4a.citco.com: 10
- mail1b.citco.com: 100
- mail2b.citco.com: 100
- mail3b.citco.com: 100
- mail4b.citco.com: 100
- mxa-00036401.gslb.pphosted.com: 0
A / AAAA Records
- 23.253.153.39 (no PTR)
Mail Server IPs
- 66.159.244.150 ↩ mx07-00036401.pphosted.com
- 209.87.102.21 ↩ mail1a.citco.com
- 209.87.102.23 ↩ mail2a.citco.com
- 77.246.130.91 ↩ mail3a.citco.com
- 77.246.130.93 ↩ mail4a.citco.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2017043272 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2017043272
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
dns2.cscdns.net
dns1.cscdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:77.246.130.250 ip4:77.246.128.133 ip4:46.33.68.50 ip4:118.143.20.249 include:spf-00036401.pphosted.com include:spf-00036402.pphosted.com include:cs.citco.com include:bm.citco.com include:spf.protection.outlook.com include:sesprodmail.citco.com include:sesdevmail.citco.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
12 records- google-site-verification=XoEdpcYdqPpv7vH0Zyi1io0etMtBTQ8iIbJIvf6-R3c
- H1ywXAJdEakv9dIPSRRWNKHQVz8xv42jc5ng+RzMaVXuBe3gxZI+l9deGgDX1wWykPDmkJascjKka1gTrmgl9Q==
- cisco-ci-domain-verification=212bbcb0bdb7e04d898e935510e6ff650c9a532312eb05cb265e113fd9df90f1
- atlassian-domain-verification=BK5GnDA9gffV8ac/aBKdaoHatzj9DmnVukiA7OQASwRfdqHCx19P9h8ZApreHTbq
- SPFv=spf1 ip4:77.246.130.250 ip4:77.246.128.133 ip4:46.33.68.50 ip4:118.143.20.249 include:spf-00036401.pphosted.com include:spf-00036402.pphosted.com include:cs.citco.com include:bm.citco.com include:spf.protection.outlook.com include:sesprodmail.citco.com include:sesdevmail.citco.com ~all
- dropbox-domain-verification=714gs87psxqn
- apple-domain-verification=iePR2pXtudafwai9
- QuoVadis=494b5a20-3395-4d00-b88c-a4b8bfd6dfd2
- QuoVadis=8e4ef457-1c37-4188-8481-646d6e1336ad
- docusign=a2ba78e5-5624-4695-a5a9-cf70464f5dd7
- cloudflare_dashboard_sso=37aecc9d967809846bea49718e0fcf1a
- smartsheet-site-validation=EMPiiAJ4ZwdlU6ayuLYk1PtaAL6SFzhS
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