quantstone.de - dns.ninja
quantstone.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.38🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host202.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 2026-06-01 #2 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786411018 | ||||||
Subdomains
mail.quantstone.de |
Same first word
quantstone.de |
quantstone.com |
quantstone.net |
Similar names
DNS History
9 records (6 active, 3 former)
●NScns1.alfahosting.info2015-06-25 → 2026-08-11 · 2 obs
● 2026-08-11 01:26:38
●NScns2.alfahosting.info2015-06-25 → 2026-08-11 · 2 obs
● 2026-08-11 01:26:38
●NScns3.alfahosting.info2015-06-25 → 2026-08-11 · 2 obs
● 2026-08-11 01:26:38
○MXmail.quantstone.de2015-06-25 → 2017-12-25 · 4 obs
● 2017-12-25 14:25:16
○ 2026-04-01 06:19:16
○ 2026-08-11 01:26:38
●MXmx03.secure-mailgate.com2026-04-01 → 2026-08-11 · 3 obs
● 2026-04-01 06:19:16
● 2026-08-11 01:26:38
●MXmx04.secure-mailgate.com2026-04-01 → 2026-08-11 · 3 obs
● 2026-04-01 06:19:16
● 2026-08-11 01:26:38
○A109.237.128.882015-06-25 → 2016-04-14 · 4 obs
● 2016-04-14 10:27:52
○ 2016-12-30 18:32:46
○ 2026-08-11 01:26:38
○A109.237.134.302016-12-30 → 2017-12-25 · 5 obs
● 2016-12-30 18:32:46
● 2017-12-25 14:25:16
○ 2026-04-01 06:19:16
○ 2026-08-11 01:26:38
●A81.88.34.382026-04-01 → 2026-08-11 · 3 obs
● 2026-04-01 06:19:16
● 2026-08-11 01:26:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| quantstone.de | cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for quantstone.de (unsigned zone)
⏱️ Timing
Total: 1263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.38 |
| NS | 3 | cns3.alfahosting.info, cns1.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.quantstone.de is delegated beneath quantstone.de.
IP Addresses
quantstone.de has exactly one IP address — 81.88.34.38.
mail.wienand-online.de, thelestream.com, mail.vital-energi.de plus two other host names have IP numbers in common with quantstone.de.
Name Servers
The authoritative name servers for quantstone.de are cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info — three in total.
There is at least partial name server overlap between quantstone.de and other domains — mikano.de, supplements-dortmund.de, braincare.at and two more among them.
cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info all resolve to exactly two IP numbers apiece: cns1.alfahosting.info → 109.237.142.8 and 2a01:64c0:0:5000::8; cns2.alfahosting.info → 148.251.254.105 and 2a01:4f8:2b02:a88::105; cns3.alfahosting.info → 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
quantstone.de uses two mail servers, mx03.secure-mailgate.com and mx04.secure-mailgate.com.
The mail server setup of quantstone.de matches that of other domains such as document-intelligence.com, vera-stein.de, imuva.com and two others.
The two host names mx03.secure-mailgate.com and mx04.secure-mailgate.com each have a pair of IP addresses: mx03.secure-mailgate.com has 46.243.88.174 and 46.243.88.176, and mx04.secure-mailgate.com has 46.243.88.175 and 46.243.88.177.