3bengineering.de - dns.ninja
3bengineering.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.136.8.144🇨🇦 INFB-AS911591.136.0.0/17 Internet Names For Business | ||||||
| NS | ns1.telefonica.de ⭐ | ||||||
| A | 62.53.237.12🇩🇪 TDDE-ASN162.52.0.0/14 Telefonica Deutschland GmbH | ||||||
| NS | ns2.telefonica.de | ||||||
| A | 213.20.172.204🇩🇪 TDDE-ASN1213.20.0.0/16 Telefonica Deutschland GmbH | ||||||
| NS | ns3.telefonica.de | ||||||
| A | 195.71.243.188🇩🇪 TDDE-ASN1195.71.0.0/16 Telefonica Germany GmbH & Co. OHG | ||||||
| MX | mx.alice-dsl.net ⭐ | ||||||
| A | 91.136.8.194🇨🇦 INFB-AS911591.136.0.0/17 Internet Names For Business | ||||||
| SOA | ns1.telefonica.dehostmaster@telefonica.de serial=157 | ||||||
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=1782696261 | ||||||
Same first word
3bengineering.de |
Similar names
DNS History
7 records (5 active, 2 former)
○NSns1.hansenet.de2015-06-30 → 2017-06-25 · 4 obs
● 2017-06-25 02:47:04
○ 2026-05-12 16:51:18
○ 2026-06-29 01:51:24
●NSns1.telefonica.de2026-05-12 → 2026-06-29 · 3 obs
● 2026-05-12 16:51:18
● 2026-06-29 01:51:24
○NSns2.hansenet.de2015-06-30 → 2017-06-25 · 4 obs
● 2017-06-25 02:47:04
○ 2026-05-12 16:51:18
○ 2026-06-29 01:51:24
●NSns2.telefonica.de2026-05-12 → 2026-06-29 · 3 obs
● 2026-05-12 16:51:18
● 2026-06-29 01:51:24
●NSns3.telefonica.de2026-05-12 → 2026-06-29 · 3 obs
● 2026-05-12 16:51:18
● 2026-06-29 01:51:24
●MXmx.alice-dsl.net2015-06-30 → 2026-06-29 · 2 obs
● 2026-06-29 01:51:24
●A91.136.8.1442015-06-30 → 2026-06-29 · 2 obs
● 2026-06-29 01:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| 3bengineering.de | ns1.telefonica.de, ns2.telefonica.de, ns3.telefonica.de | 3 records |
✅ Authoritative Response
Server:195.71.243.188
NS records: ns1.telefonica.de, ns2.telefonica.de, ns3.telefonica.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3bengineering.de (unsigned zone)
⏱️ Timing
Total: 754ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.136.8.144 |
| NS | 3 | ns3.telefonica.de, ns1.telefonica.de... |
| MX | 1 | mx.alice-dsl.net (pri: 10) |
| SOA | 1 | ns1.telefonica.de hostmaster.telefonica. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.telefonica.de, ns2.telefonica.de, ns1.telefonica.de)
Analysis
IP Addresses
3bengineering.de has exactly one IP address — 91.136.8.144.
hunwartsen.de, los-b.de, rosenquist-net.de plus two other host names have IP numbers in common with 3bengineering.de.
Name Servers
DNS for 3bengineering.de is handled by three authoritative name servers: ns1.telefonica.de, ns2.telefonica.de and ns3.telefonica.de.
3bengineering.de has at least partial name server overlap with other domains, such as m2h2.de, abcjey.de, 176.6.pool.telefonica.de and two others.
It is common to see these name servers used together with name servers ns1.telefonica.de.fancydrinks.com and ns1.telefonica.de.optical-pc.de.
ns1.telefonica.de, ns2.telefonica.de and ns3.telefonica.de all have one IP address each — ns1.telefonica.de directs to 62.53.237.12, ns2.telefonica.de directs to 213.20.172.204 and ns3.telefonica.de directs to 195.71.243.188.
Mail Servers
3bengineering.de uses one mail server — mx.alice-dsl.net.
The mail server setup of 3bengineering.de matches that of other domains such as persia4.de, rotzal.de, zeiberts.de and two others.
mx.alice-dsl.net has exactly one IP number: 91.136.8.194.