Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
quantumcs.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 16:33:19 UTC · ↺ Refresh
MX Hostnames
- mx.quantumcs.co.uk
MX Priorities
- mx.quantumcs.co.uk: 1
A / AAAA Records
- 46.225.114.106 ↩ static.106.114.225.46.clients.your-server.de
Mail Server IPs
- 178.105.46.112 ↩ mx.quantumcs.co.uk
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026051700 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026051700
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:178.105.46.112 ip6:2a01:4f8:1c18:49f7::1 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];sp=reject;aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=Y7RLo6OYcBDpl1BIUMctJb4xR47hhM_CH-snPvAvmC4
- mailerlite-domain-verification=57022c5ecc1ded8ac5ea95897cfbe53e74576b01
- SPFv=spf1 ip4:178.105.46.112 ip6:2a01:4f8:1c18:49f7::1 -all
- MS=A49F3BD43F061F597312314CF79DC232AEE31774
- NSJO7M0BWAJL7NQJ3DAVJ7WZKT2INN5SCLJZG1YA
- ZQVK66LHVIM903JIN0D92XG396KYG5HGGZ0Z7K8R
- google-site-verification=JmErsC_HJ3EC9EJwSeVsnPYvUF7azvCbVHRKT0KZbz0
Full email verification for quantumcs.co.uk
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