Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
b8one.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-29 03:45:55 UTC ยท โบ Refresh
MX Hostnames
- b8one-com.mail.protection.outlook.com
MX Priorities
- b8one-com.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.194.0 โฉ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.41.54 โฉ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.10.12 โฉ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.4 โฉ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 โฉ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 โฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c91d::a โฉ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
joel.ns.cloudflare.com dns.cloudflare.com 2396932029 10000 2400 604800 1800
Primary NS (mname)
joel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396932029
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
joel.ns.cloudflare.com
liv.ns.cloudflare.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; pct=100
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 216 chars (valid)
โ 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms76034534
- atlassian-domain-verification=ejUdII1Sz3fGd52hXM4yc8XDcCgSq1dGS7I1UbJOEywIRYFeliyeamkdAvZRW2nx
- atlassian-sending-domain-verification=6ed0f715-2ab4-4553-bd38-0990ddce684e
- facebook-domain-verification=mb97tkrjy4qmfs7mp1h0dyimjv0r7k
- facebook-domain-verification=v1x5wziv7i0tynycjbtgbpuze7jh27
- google-site-verification=hKyPVDbXLNJFoDNpSet3FYbZKSPmr-2oxN_N48XAf10
- include:_spf.atlassian.net
Full email verification for b8one.com
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