Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hbkengineering.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:33:58 UTC · ↺ Refresh
MX Hostnames
- hbkengineering-com.mail.protection.outlook.com
MX Priorities
- hbkengineering-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.215.65.128 ↩ 128.65.215.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
jo.ns.cloudflare.com dns.cloudflare.com 2399339752 10000 2400 604800 1800
Primary NS (mname)
jo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399339752
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ridge.ns.cloudflare.com
jo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.hbkengineering.com._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
17 records- z63kpcyh858wp9sch6lw112jdv118v80
- 9ccw622d8k2pthdxvrpbrf839t11tj9p
- MS=ms61899503
- _ce3rradf3wag0aa84mfr308npkfdpuo
- _oivt1e680vjkbcxfdnjsicgym9khavw
- anthropic-domain-verification-s5g033=zJNmCPK8beK7IbNSzcFlXUwYM
- atlassian-domain-verification=R9ut77388LlcLCQpMHMY57RURKxxpLXgRl3D34vBknh2drxRytuYphhtXfKgqRJs
- box-domain-verification=1d8d347168346bd4ac04dde602dad64ae4b20775b826b4b8b032c7b33cfbf053
- cisco-ci-domain-verification=3db8e583b7e94d4f54ca392580f82853e5defa8731f3c0c8c0d2de535733fb50
- globalsign-domain-verification=68af893890982024153ee1a117692242
- globalsign-domain-verification=6910222944855149BB37339071859489
- globalsign-domain-verification=EB4CB2AAD61106DC4F600828AA374FFD
- globalsign-domain-verification=eb292508dbc751beb40444933d4927f6
- lucid-verification=ufg9enu1byr7jztPCK
- openai-domain-verification=dv-Tp9dAZ3Vx5SUbS93Gl9r6sqe
- pyb0xl5cx4dv4lbvcq12nhd1lz0nb5t0
- SPFv=spf1 include:_u.hbkengineering.com._spf.smart.ondmarc.com -all
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