Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cemcosteel.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:03:23 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-west-2.prod.hydra.sophos.com
- mx-02-us-west-2.prod.hydra.sophos.com
MX Priorities
- mx-02-us-west-2.prod.hydra.sophos.com: 2
- mx-01-us-west-2.prod.hydra.sophos.com: 1
A / AAAA Records
- 104.21.51.189 (no PTR)
- 172.67.184.37 (no PTR)
- 2606:4700:3031::ac43:b825 (no PTR)
- 2606:4700:3037::6815:33bd (no PTR)
Mail Server IPs
- 50.112.72.129 ↩ ec2-50-112-72-129.us-west-2.compute.amazonaws.com
- 44.234.222.180 ↩ ec2-44-234-222-180.us-west-2.compute.amazonaws.com
- 34.215.37.215 ↩ ec2-34-215-37-215.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
jerome.ns.cloudflare.com dns.cloudflare.com 2399566857 10000 2400 604800 1800
Primary NS (mname)
jerome.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399566857
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jerome.ns.cloudflare.com
vera.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf_uswest2.prod.hydra.sophos.com ip4:12.133.213.100 ip4:12.133.213.98 ip4:12.0.211.178 ip4:12.226.242.82 ip4:12.176.63.58 ip4:12.10.190.226 ip4:54.215.225.125 ip4:212.54.155.88 ip4:212.54.146.41 ip4:212.54.155.11 ip4:212.54.146.23 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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
9 records- sophos-domain-verification=ad4a5c3fd1b2d30f8968ed7c8e3fdf7c708daa5a2f9d425709fb09504ee43bdf
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf_uswest2.prod.hydra.sophos.com ip4:12.133.213.100 ip4:12.133.213.98 ip4:12.0.211.178 ip4:12.226.242.82 ip4:12.176.63.58 ip4:12.10.190.226 ip4:54.215.225.125 ip4:212.54.155.88 ip4:212.54.146.41 ip4:212.54.155.11 ip4:212.54.146.23 -all
- MS=ms40066951
- apple-domain-verification=XERVl1sh6lAmLLqO
- box-domain-verification=adf7b554da649810c2451a8745cf900be0b63f26f5df2894774bbda2857e30c9
- ca3-c2239b6d70ae48e9995ada0abc725701
- citrix-verification-code=8274e2dd-4ecd-4860-909a-747093eba517
- have-i-been-pwned-verification=ac180a9f5102e2224e06668880fac2a4
- sophos-domain-verification=8a75cd0041c8f9c83b15357fbf2e82449b03341c
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