Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gulfmarkenergy.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:11:44 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.185.159.145 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns45.worldnic.com namehost.worldnic.com 126010713 10800 3600 604800 3600
Primary NS (mname)
ns45.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126010713
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns45.worldnic.com
ns46.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:us._netblocks.mimecast.com ip4:199.58.213.133/32 ip4:12.219.124.131/32 ip4:67.200.220.115/32 ip4:12.219.126.66/32 ip4:208.86.168.7/32 ip4:135.84.68.123/32 ip4:206.152.14.54/32 ip4:174.128.1.123/32 ip4:174.47.165.2/32 ip4:32.140.36.2/32 ip4:32.140.198.146/32 ip4:32.142.173.110/32 ip4:32.142.173.106/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
7 records- s032e03vf380d93itbecb0984a
- adobe-idp-site-verification=bd7ad518d090c17678fad27e85d7a52dc0ebbd87c771ff8d1daf3c21d04e7c83
- S/pQAQ+h/9yF4vl/y9A9a9CW63/5LxzAUG+niR462mqssbptBzeapLOewDg/UaVwEFT9QAtOqR9V1A6KYzxP4Q==
- MS=ms21267627
- an54ml4u1q8ga7vhfqqfe5ik2g
- SPFv=spf1 mx a include:us._netblocks.mimecast.com ip4:199.58.213.133/32 ip4:12.219.124.131/32 ip4:67.200.220.115/32 ip4:12.219.126.66/32 ip4:208.86.168.7/32 ip4:135.84.68.123/32 ip4:206.152.14.54/32 ip4:174.128.1.123/32 ip4:174.47.165.2/32 ip4:32.140.36.2/32 ip4:32.140.198.146/32 ip4:32.142.173.110/32 ip4:32.142.173.106/32 include:spf.protection.outlook.com -all
- 40sfs0do6nl5ghmi5vheehf022
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