4layer.com - dns.ninja
4layer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.37🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host252.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-01-29 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783760852 | ||||||
Subdomains
mail.4layer.com |
Same first word
Similar names
relay4.xyz |
layer4.de |
layer4.net |
4relay.net |
layer4.awsapps.com |
layer4.org |
layer4.jp |
layer4.com |
layer4.hk |
relay4.us |
relay4.com |
layer4.com.br |
layer4.nl |
layer4.info |
layer4.co.uk |
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-13 → 2026-07-11 · 2 obs
● 2026-07-11 09:32:26
●NScns2.alfahosting.info2015-07-13 → 2026-07-11 · 2 obs
● 2026-07-11 09:32:26
●NScns3.alfahosting.info2015-07-13 → 2026-07-11 · 2 obs
● 2026-07-11 09:32:26
○MXmail.4layer.com2015-07-13 → 2019-04-13 · 4 obs
● 2019-04-13 18:04:46
○ 2026-02-24 20:59:08
○ 2026-07-11 09:32:26
●MXmx03.secure-mailgate.com2026-02-24 → 2026-07-11 · 3 obs
● 2026-02-24 20:59:08
● 2026-07-11 09:32:26
●MXmx04.secure-mailgate.com2026-02-24 → 2026-07-11 · 3 obs
● 2026-02-24 20:59:08
● 2026-07-11 09:32:26
○A109.237.134.322015-07-13 → 2019-04-13 · 4 obs
● 2019-04-13 18:04:46
○ 2026-02-24 20:59:08
○ 2026-07-11 09:32:26
●A81.88.34.372026-02-24 → 2026-07-11 · 3 obs
● 2026-02-24 20:59:08
● 2026-07-11 09:32:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 4layer.com | cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4layer.com (unsigned zone)
⏱️ Timing
Total: 876ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.37 |
| NS | 3 | cns1.alfahosting.info, cns2.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
mail.4layer.com is delegated beneath 4layer.com.
IP Addresses
4layer.com directs to one IP number, which is 81.88.34.37.
Among the host names that share IP numbers with 4layer.com are alinea-computer.de, pocolico.de, mail.auto-import24.de and two others.
Name Servers
Three name servers are authoritative for 4layer.com: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
There is at least partial name server overlap between 4layer.com and other domains — race-clinic.com, ochsenspiess.de, dentalkameras.de and two more among them.
cns1.alfahosting.info resolves to 109.237.142.8 and 2a01:64c0:0:5000::8. cns2.alfahosting.info resolves to 148.251.254.105 and 2a01:4f8:2b02:a88::105. cns3.alfahosting.info resolves to 109.237.143.8 and 2a02:2b80:101:5000::8. All three hostnames point to two IP numbers each.
Mail Servers
The MX records for 4layer.com point to two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
4layer.com has the same mail server arrangement as a number of other domains, for example worthexerei.de, live-score-app.com, lascarolinas.es and two more.
4layer.com and other domains — hillclimb.de for instance — share at least some mail servers.
Each of the two host names carries two IP addresses: mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176, and mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.