Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackhillsenergy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:40:51 UTC · ↺ Refresh
MX Hostnames
- blackhillsenergy-com.mail.protection.outlook.com
MX Priorities
- blackhillsenergy-com.mail.protection.outlook.com: 10
A / AAAA Records
- 20.12.139.142 (no PTR)
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
blackhillsenergy.com root.ns1.blackhillscorp.com 2023020701 3600 900 1209600 5
Primary NS (mname)
blackhillsenergy.com
Admin Email (rname)
root@ns1.blackhillscorp.com
Serial
2023020701
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
5s
Nameservers (NS)
ns1.blackhillscorp.com
ns2.blackhillscorp.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:74.116.253.77 ip4:20.112.235.2/31 ip4:20.186.113.184/31 ip4:20.221.65.200/31 ip4:20.57.27.200/31 ip4:20.221.103.65 ip4:20.122.236.144 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
~ 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
14 records- _lzu2vlil1bf42p7vdi7wzilnokl3ngf
- _oybqjq634ucpbdlqd9ra93r50vynccu
- EY5l79Hph0YZD5gkyYlDtSVq2SvVPhHhwzwMYXwag3qaMPMY+yY85TsjT/W+r3lVx1hooKSzIDqlghQ1S00Aqg==
- cisco-ci-domain-verification=427d881c91a550c41394fd18e49cc5e5d8251ceb483eef6edf1b172a37f7df52
- piktochart-site-verification=ZUqzq57zkbF4SGMYsYfa2WsZv675ebXhBzwg
- AU44dC7S93i@vJY4uZz4f7d@
- lucid-verification=tyw!CBP2cpd*zrp6vwb
- SPFv=spf1 mx ip4:74.116.253.77 ip4:20.112.235.2/31 ip4:20.186.113.184/31 ip4:20.221.65.200/31 ip4:20.57.27.200/31 ip4:20.221.103.65 ip4:20.122.236.144 include:spf.protection.outlook.com -all
- bLVpPgy3vRk2iau-Q89T
- knowbe4-site-verification=d999a05e78a928edbf9219a4ed5a94e9
- ZUqzq57zkbF4SGMYsYfa2WsZv675ebXhBzwg
- MS=ms48287549
- ePE4hUWsmPTjJzmJ3YgK0xPhd72UQK8gLIxRZBRaK22i0C79q8ql4QMzdSRtRAa+wc1td1fHvfIS/SnAYVjeow==
- google-site-verification=9lQmL6aV7hxDUbadOoz_wkhBNR1ZSbbmzvTagNkjn8k
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