Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stobuildinggroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:53:08 UTC · ↺ Refresh
MX Hostnames
- stobuildinggroup-com.mail.protection.outlook.com
MX Priorities
- stobuildinggroup-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010212 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010212
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns12.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns13.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.240.180.206/32 ip4:38.127.225.55/32 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:20.63.100.28 ip4:13.90.214.114 ip4:20.90.85.127 include:archivecloud.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.surveymonkey.com include:aspmx.pardot.com include:spf_c.oraclecloud.com include:spf.mandrillapp.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];sp=none;ri=86400;ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
8 records- google-site-verification=zA-sGPJXuT5BT_dK64sxSvyt2nQmOzA2bFqJ7YkKDk0
- SPFv=spf1 ip4:66.240.180.206/32 ip4:38.127.225.55/32 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:20.63.100.28 ip4:13.90.214.114 ip4:20.90.85.127 include:archivecloud.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.surveymonkey.com include:aspmx.pardot.com include:spf_c.oraclecloud.com include:spf.mandrillapp.com -all
- pardot997321=b81a3e9781ec467cecd069f990a1472f34c1a6e75eb6114b836ffeddf013831b
- knowbe4-site-verification=fd692dd567cb8cc4b98370c581de4d0f
- MS=ms62307056 3600
- bw=wTYiLWNF0mig5HA65qhKfy0cwuQtpXHlOrLkpNSgROGj
- mandrill_verify.NNcVdb7IxNsZY8RiFkqY0w
- facebook-domain-verification=xuwhoqc8sip7ptxj109ql9mo0tswh0
Full email verification for stobuildinggroup.com
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