Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maerskline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:55:11 UTC · ↺ Refresh
MX Hostnames
- maerskline-com.mail.protection.outlook.com
MX Priorities
- maerskline-com.mail.protection.outlook.com: 10
A / AAAA Records
- 193.163.251.164 (no PTR)
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-4.akam.net hostmaster.maerskline.com 2023041759 3600 600 604800 300
Primary NS (mname)
a1-4.akam.net
Admin Email (rname)
hostmaster@maerskline.com
Serial
2023041759
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a1-4.akam.net
a3-66.akam.net
a18-64.akam.net
a8-67.akam.net
a22-65.akam.net
a13-67.akam.net
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
2 records- google-site-verification=zZTIXLnhJISoxa5eqLfhQwDcD0CS9XY9CLUnfHf-mOQ|9f22tp9g7y9369m84n4w3lc8tb0vsqv5|google-site-verification=LaKQPDyYNHca9ccZlWiIG-QTJMa-tqk0D7zYOPfAvTA|v=spf1include:spf.protection.outlook.comip4:193.163.252.51ip4:193.163.255.167ip4:40.74.9.71ip4:52.142.217.3ip4:52.142.217.195ip4:193.163.255.163ip4:193.163.252.50ip4:96.43.144.0/20ip4:136.146.0.0/15ip4:204.14.232.0/21ip4:85.222.128.0/19ip4:185.79.140.0/22ip4:182.50.76.0/22ip4:202.129.242.0/23ip4:23.103.224.0/19ip4:206.191.224.0/19ip4:40.103.0.0/16include:_spf.salesforce.com-all
- SPFv=spf1 -all
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