Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdc.build
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 12:40:37 UTC · ↺ Refresh
MX Hostnames
- sdc-build.mail.protection.outlook.com
MX Priorities
- sdc-build.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.130.96 (no PTR)
- 104.21.8.80 (no PTR)
- 2606:4700:3037::ac43:8260
- 2606:4700:3037::6815:850
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
apollo.ns.cloudflare.com dns.cloudflare.com 2399374718 10000 2400 604800 1800
Primary NS (mname)
apollo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399374718
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
miki.ns.cloudflare.com
apollo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.spclients.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
4 records- MS=ms39445416
- google-site-verification=50qxoJacPHFapaSQvhRxXbcHJksKwh-bUvis21o1Ygs
- google-site-verification=pc5kw1kjwUMZIay4iR4UYxp8yq3faqD3yuOm91XGyWE
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.spclients.net -all
Full email verification for sdc.build
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