Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
codeandtheory.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:45:27 UTC · ↺ Refresh
MX Hostnames
- mxb-00852301.gslb.pphosted.com
- mxa-00852301.gslb.pphosted.com
MX Priorities
- mxb-00852301.gslb.pphosted.com: 10
- mxa-00852301.gslb.pphosted.com: 10
A / AAAA Records
- 99.84.160.53 ↩ server-99-84-160-53.jfk50.r.cloudfront.net
- 99.84.160.127 ↩ server-99-84-160-127.jfk50.r.cloudfront.net
- 99.84.160.71 ↩ server-99-84-160-71.jfk50.r.cloudfront.net
- 99.84.160.25 ↩ server-99-84-160-25.jfk50.r.cloudfront.net
Mail Server IPs
- 67.231.156.166 ↩ mx0b-00852301.pphosted.com
- 67.231.148.157 ↩ mx0a-00852301.pphosted.com
SOA Record
Raw SOA
ns-352.awsdns-44.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-352.awsdns-44.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-352.awsdns-44.com
ns-967.awsdns-56.net
ns-1317.awsdns-36.org
ns-1573.awsdns-04.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf-00852301.pphosted.com include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.google.com include:mg-spf.greenhouse.io include:22531072.spf01.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- ZOOM_verify_fOkV0tLdNeepBsUPKAMOoL
- MS=ms79136136
- google-site-verification=y_HS8cZCgVDOy3g7QjZBW4b2RiwtpzPmxcF87Jq2SkQ
- 0ed1fe018ae73c09ca177843eb84bc24d6e578ed91
- SPFv=spf1 include:spf-00852301.pphosted.com include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.google.com include:mg-spf.greenhouse.io include:22531072.spf01.hubspotemail.net -all
- MS=ms86915045
- google-site-verification=d3vTmEOCXpUQzjwDANYaHe7LL-6t60Z2cOJTnUyeq5M
- 0ed1fe018a07e3b26d361945b68a88a24ad65b3b6c
- atlassian-domain-verification=FRPuNP4Qml7UnpOVtmAAhkaWhV25/d77M/L6Ds1pWjARMT6qQ0M7U1cWy4WSykQ9
- knowbe4-site-verification=0209999c286c0ca60c160f1b0e0f90bc
- miro-verification=43b0bbfd9d8bf6b7bd8856b625ff9f44c9dda6c4
- anthropic-domain-verification-xcnt4m=sWpJHvZnk3m6YmmDoT9R3uAap
- adobe-idp-site-verification=517e4a98f7a4aa731b87b9d35a044946bc0782c5fdd2ce5362d05d7eb3d02c61
- cursor-domain-verification-6xeprj=0UbenWMWor4ItZAiJjSDYTAI9
- apple-domain-verification=6vqQZGuHWz7bzpei
- tollbit-domain-verification=b52c5c038829b32f35ac2d7e7acb7bfe8eadb2adbbcddca70bc86059a9fa201b
Full email verification for codeandtheory.com
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