hacsb.com

Valid Email Server
Domain Lookup › hacsb.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
hacsb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 07:46:41 UTC · ↺ Refresh

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MX Hostnames

  • hacsb-com.mail.protection.outlook.com

MX Priorities

  • hacsb-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1510.awsdns-60.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1510.awsdns-60.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-349.awsdns-43.com
ns-755.awsdns-30.net
ns-1510.awsdns-60.org
ns-1567.awsdns-03.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:216.40.25.82 include:spf.protection.outlook.com ip4:104.156.185.224/24 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • SPFv=spf1 ip4:216.40.25.82 include:spf.protection.outlook.com ip4:104.156.185.224/24 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ~all
  • 8a8usqspcbk076fi5lb5cihv3
  • apple-domain-verification=4giqjucHMdxleyn8
  • d36gtuu5h68omlbbg3d03mq4kq
  • knowbe4-site-verification=f5fa6bd05cfac73dc1b6bcd35b20c868
  • rakchkrhb2fgjjuf0g4thmjggs
  • t7lqvjihq4e8o93olrltg6rrkg
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