Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
citadelsecurities.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:48:05 UTC · ↺ Refresh
MX Hostnames
- mxb-001f6701.gslb.pphosted.com
- mxa-001f6701.gslb.pphosted.com
MX Priorities
- mxb-001f6701.gslb.pphosted.com: 10
- mxa-001f6701.gslb.pphosted.com: 10
A / AAAA Records
- 104.18.31.76 (no PTR)
- 104.18.30.76 (no PTR)
Mail Server IPs
- 148.163.144.71 ↩ mx0a-001f6701.pphosted.com
- 148.163.140.71 ↩ mx0b-001f6701.pphosted.com
SOA Record
Raw SOA
ns-1872.awsdns-42.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1872.awsdns-42.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-745.awsdns-29.net
ns-1070.awsdns-05.org
ns-1872.awsdns-42.co.uk
ns-440.awsdns-55.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-001f6703.pphosted.com include:spf-001f6701.pphosted.com include:_spf.streetcontxt.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- ZOOM_verify_X7x-unttTYKYlt8_rKqvKA
- airtable-verification=b8435b2ec79aa14d027bf647ab86d65a
- anthropic-domain-verification-4fwxrj=NL5ibFoYbJqrS7c7X6ttO4IdL
- box-domain-verification=3dd8ea7b9ced3c14f7e9dfd964254ac03662fac66f0573e415e8f5fa2e7f1a42
- ca3-f8ff38941f1f46389df1d53838448765
- docusign=5711e2f6-0017-47ef-b346-ceda0d7c1e80
- docusign=b03f4149-3be1-4729-b75a-cf22c8b17b81
- dtm-domain-verification=C-JFuA9VPp7EwLkk8D4Y2VJWI3HbHyKYD8XCoxbN990
- google-site-verification=d3FDRCGdnfdweX3RO05wSxQ_Qmry1-GVCrzZ86b-CUE
- SPFv=spf1 include:spf-001f6703.pphosted.com include:spf-001f6701.pphosted.com include:_spf.streetcontxt.com include:spf.protection.outlook.com ~all
- w/ncjfnhG0aEcgDUZ6/ZHIXLvNitBiTFcq3hE/NYy6thAtCmd4pdY+jhu9tk8DNU6QpDXYZ4mRvjD768w3nBmA==
- 9/vFUf2Nk4Nmf6Cv8WxHhOT7wQnhfu10B9+NgkGhoT/AYCg92jc8wCPpkb3779cbJRcyU/0/bNpOzFfs/ypvIw==
- MS=4DB76B29F331729F120964CA7BE7E67EAA7B6ACA
- MS=ms87149178
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