Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mermaid-group.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 23:17:16 UTC · ↺ Refresh
MX Hostnames
- mermaidgroup-com01i.mail.protection.outlook.com
MX Priorities
- mermaidgroup-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 89.106.200.144 (no PTR)
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
bruce.ns.cloudflare.com dns.cloudflare.com 2398183550 10000 2400 604800 1800
Primary NS (mname)
bruce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398183550
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bruce.ns.cloudflare.com
selah.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:mermaid-maritime.com a:mermaidsubsea.com ip4:208.91.114.151/32 ip4:58.82.172.92/32 ip4:58.82.172.65/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
5 records- _9hzbr0tvoc5440e8359rp6dxtqixmc6
- _hs2lnthr931zb2t3pymrm3emx4ecfnw
- dKd+fag8lfiB6dbwyIv+03Pgk1bOZiNE9bXZ7iXmTN43DdV9bYY5VzsHDPW0OWyLTItwUV0miIO8xDRmfIxuvA==
- SPFv=spf1 a:mermaid-maritime.com a:mermaidsubsea.com ip4:208.91.114.151/32 ip4:58.82.172.92/32 ip4:58.82.172.65/32 include:spf.protection.outlook.com -all
- MS=ms78897290
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