mx1.k4s.uk - robtex.com
mx1.k4s.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 167.86.99.111🇩🇪 CONTABO167.86.98.0/23 | ||||||
| PTR | vmi1641844.contaboserver.net | ||||||
k4s.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:3ac🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:82f9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.3.172Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.130.249🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | elinore.ns.cloudflare.com ⭐ | ||||||
| NS | hugh.ns.cloudflare.com | ||||||
| MX | mx0.k4s.uk ⭐ | ||||||
| MX | mx1.k4s.uk(20) | ||||||
| TXT | v=spf1 mx -all include:mail.k4s.uk | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.3.172, 172.67.130.249 | ||||||
| IPv6 hints | 2606:4700:3030::6815:3ac, 2606:4700:3037::ac43:82f9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com | ||||||
| SOA | elinore.ns.cloudflare.comdns@cloudflare.com serial=2403743392 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A167.86.99.1112026-03-27 → 2026-05-13 · 3 obs
○ 2017-03-16 19:40:48
● 2026-03-27 14:35:58
● 2026-05-13 14:52:22
● 2026-03-27 14:35:58
● 2026-05-13 14:52:22
○A80.241.214.2162017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 19:40:48
○ 2026-03-27 14:35:58
○ 2026-05-13 14:52:22
○ 2026-03-27 14:35:58
○ 2026-05-13 14:52:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns1.nic.uk, nsd.nic.uk, nsa.nic.uk, dns3.nic.uk... | - |
| k4s.uk | hugh.ns.cloudflare.com, elinore.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.153
NS records: hugh.ns.cloudflare.com, elinore.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k4s.uk (unsigned zone)
⏱️ Timing
Total: 561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 167.86.99.111 |
Analysis
Mail Server Role
mx1.k4s.uk functions as a mail server for k4s.uk.
mx0.k4s.uk often serves as a mail server in conjunction with mx1.k4s.uk.
IP Addresses
mx1.k4s.uk points to IP number: 167.86.99.111.
Other host names such as mx1.couponmatrix.uk, vmi1641844.contaboserver.net, _dc-mx.67febd9e0785.shopmatrix.net, mx1.shopmatrix.net and mx1.warehousediscounts.net share IPs with mx1.k4s.uk.