Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
craneschools.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:13:35 UTC · ↺ Refresh
MX Hostnames
- mx-02-us-east-2.prod.hydra.sophos.com
- mx-01-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-02-us-east-2.prod.hydra.sophos.com: 10
- mx-01-us-east-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 104.16.159.133 (no PTR)
- 104.18.189.233 (no PTR)
- 104.18.190.233 (no PTR)
- 104.16.158.133 (no PTR)
Mail Server IPs
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
- 18.118.219.4 ↩ ec2-18-118-219-4.us-east-2.compute.amazonaws.com
- 3.138.43.149 ↩ ec2-3-138-43-149.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:134.114.4.180 ip4:134.114.5.99 ip4:134.114.5.120 ip4:134.114.4.36 ip4:134.114.4.134 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com include:spf.blackboardconnect.com include:zoho.com include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=s; adkim=s; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
11 records- apple-domain-verification=HsMBwE2a43vt5Zf3
- f2s9sskp37dka5m28nq0t5lv2k
- google-site-verification=JyeSoRMyqH2Y0DwE0n_sH-Spi_O5UdyhjXhFE56m-z0
- sophos-domain-verification=54b5bfa0f0e51f0a7190e6d640dc76fa6d8740c7
- zoho-verification=zb15088772.zmverify.zoho.com
- duo_sso_verification=R6pzGtizPuogxz1LYAURgFL4pwu5qOo7yStlV6VS3xnCOtvARfLl0dHyHeVsjlTg
- SPFv=spf1 ip4:134.114.4.180 ip4:134.114.5.99 ip4:134.114.5.120 ip4:134.114.4.36 ip4:134.114.4.134 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com include:spf.blackboardconnect.com include:zoho.com include:servers.mcsv.net -all
- 775763573-43252027
- MS=ms44214280
- ZOOM_verify_30whKVAgTYio4tuDfeINVQ
- adobe-idp-site-verification=a636dbbd5504e80f46fbd96090ad71af6a88822c9d0e8593956383c88dea421c
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