Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tullowoil.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:40:00 UTC · ↺ Refresh
MX Hostnames
- tullowoil-com.mail.protection.outlook.com
MX Priorities
- tullowoil-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.137.54 (no PTR)
- 162.159.136.54 (no PTR)
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2026031804 3600 600 604800 21600
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026031804
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
21600s
Nameservers (NS)
ha4.markmonitor.zone
ha1.markmonitor.zone
ha2.markmonitor.zone
ha3.markmonitor.zone
SPF Record
✓ Strict (-all)
v=spf1 ip4:146.177.56.171 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 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
5 records- BXhqBYSeGepUbxGt05PR6+dGirdNvkwXnYbRd7PRQAQjM+jaUCmY4B70M40xvQSwAXdAs+uVCKjX3uiH0qoFzg==
- SPFv=spf1 ip4:146.177.56.171 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com -all
- MS=ms61624029
- apple-domain-verification=30korUDM5Jxk7voR
- pexip-ms-tenant-domain-verification=77fd2670-35ef-4d30-af3a-0ab7712cc43c
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