Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cuprum.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 21:26:52 UTC · ↺ Refresh
MX Hostnames
- mxb-00672e01.gslb.pphosted.com
- mxa-00672e01.gslb.pphosted.com
MX Priorities
- mxb-00672e01.gslb.pphosted.com: 0
- mxa-00672e01.gslb.pphosted.com: 0
A / AAAA Records
- 173.236.206.205 ↩ vps36960.dreamhostps.com
Mail Server IPs
- 205.220.176.136 ↩ mx0b-00672e01.pphosted.com
SOA Record
Raw SOA
ns1-03.azure-dns.com davidn.cuprum.com 2006112439 3600 1800 604800 3600
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
davidn@cuprum.com
Serial
2006112439
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:201.140.99.69 ip4:201.140.99.84 ip4:200.76.129.84 ip4:201.140.99.71 ip4:201.140.99.99 ip4:201.140.99.100 ip4:201.140.99.104 ip4:201.140.99.106 ip4:205.220.164.136 ip4:205.220.176.136 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:201.140.99.77 ip4:200.76.129.77 include:spf.protection.outlook.com include:_spf.google.com include:spf-00672e01.pphosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- Uj/29tu6j1gX8Lr3rfF/efQvdFXHb2DMJM4KVIGDsHqGVmRkgJafHixdJziV2HSboq9NCHlyNsIlazjV7iGJtw==
- MS=ms42020940
- msfpkey=39ij14hz8947twj2ihs7e167
- d365mktkey=I6g146xgUDXUCQ6ZHrPXK7IKU3tG9NDAhKhU2lexYW0x
- d365mktkey=JTmlfaId1qfAP14YbrEytxxGQmpgKzEmdps5K2Afexwx
- l63d7nq2wvp3q01r0c2cpfv37d38p9tq
- google-site-verification=w6ZXUeymHBf2C8SWeHjBVNU3Wq8C3bmiDz-RT5gs4QM
- SPFv=spf1 ip4:201.140.99.69 ip4:201.140.99.84 ip4:200.76.129.84 ip4:201.140.99.71 ip4:201.140.99.99 ip4:201.140.99.100 ip4:201.140.99.104 ip4:201.140.99.106 ip4:205.220.164.136 ip4:205.220.176.136 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:201.140.99.77 ip4:200.76.129.77 include:spf.protection.outlook.com include:_spf.google.com include:spf-00672e01.pphosted.com -all
Full email verification for cuprum.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits