Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hightowerspetroleum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 12:04:39 UTC · ↺ Refresh
MX Hostnames
- hightowerspetroleum-com.mail.protection.outlook.com
MX Priorities
- hightowerspetroleum-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1031.ui-dns.org hostmaster.1und1.com 2017060119 28800 7200 604800 600
Primary NS (mname)
ns1031.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060119
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1103.ui-dns.com
ns1070.ui-dns.biz
ns1039.ui-dns.de
ns1031.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:3.133.81.57 ip4:24.142.160.26 ip4:209.99.46.193 ip4:184.73.42.156 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms75976614
- lQvBZ3Wm5IXTPcMzlN8Z9HWS1HcLJ5/IWze9ycxZ2Ri50VHU8t0z4wVVebb09qRohpIbFIoRqwd2k8iICqCfzA==
- ob6id1rdab2fvnmjjthd6kpohe
- SPFv=spf1 ip4:3.133.81.57 ip4:24.142.160.26 ip4:209.99.46.193 ip4:184.73.42.156 include:spf.protection.outlook.com include:amazonses.com -all
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