Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
royalbuilt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 06:02:18 UTC · ↺ Refresh
MX Hostnames
- royalbuilt-com.mail.protection.outlook.com
MX Priorities
- royalbuilt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.223.175.202 ↩ ec2-18-223-175-202.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns29.worldnic.com namehost.worldnic.com 124030611 10800 3600 604800 3600
Primary NS (mname)
ns29.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124030611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns30.worldnic.com
ns29.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:35.131.2.170 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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
✓ 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
2 records- MS=ms29182944
- SPFv=spf1 ip4:35.131.2.170 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
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