koch-engineering.com - dns.ninja
koch-engineering.com
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=1784830167 | ||||||
Subdomains
Same first word
koch-engineering.com |
DNS History
15 records (8 active, 7 former)
●NSns01.one.com2026-02-27 → 2026-07-23 · 3 obs
● 2026-02-27 17:59:06
● 2026-07-23 18:40:04
●NSns02.one.com2026-02-27 → 2026-07-23 · 3 obs
● 2026-02-27 17:59:06
● 2026-07-23 18:40:04
○NSns1.carlsonnet.eu2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
○NSns2.carlsonnet.eu2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
●MXalt1.aspmx.l.google.com2015-07-24 → 2026-07-23 · 2 obs
● 2026-07-23 18:40:04
●MXalt2.aspmx.l.google.com2015-07-24 → 2026-07-23 · 2 obs
● 2026-07-23 18:40:04
●MXalt3.aspmx.l.google.com2026-02-27 → 2026-07-23 · 3 obs
● 2026-02-27 17:59:06
● 2026-07-23 18:40:04
●MXalt4.aspmx.l.google.com2026-02-27 → 2026-07-23 · 3 obs
● 2026-02-27 17:59:06
● 2026-07-23 18:40:04
●MXaspmx.l.google.com2015-07-24 → 2026-07-23 · 2 obs
● 2026-07-23 18:40:04
○MXaspmx2.googlemail.com2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
○MXaspmx3.googlemail.com2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
○MXaspmx4.googlemail.com2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
○MXaspmx5.googlemail.com2015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
○A192.185.108.472015-07-24 → 2018-11-07 · 4 obs
● 2018-11-07 01:56:12
○ 2026-02-27 17:59:06
○ 2026-07-23 18:40:04
●A94.231.107.2512026-02-27 → 2026-07-23 · 3 obs
● 2026-02-27 17:59:06
● 2026-07-23 18:40:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koch-engineering.com | ns01.one.com, ns02.one.com | 4 records |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 572ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.107.251 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | MS=A7636300AC0AC548028D122F4F6AAD99CDCE5 |
| SOA | 1 | ns01.one.com hostmaster.one.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns01.one.com, ns01.one.com, ns02.one.com...)
Analysis
Hierarchy
The parent domain of henrik.koch-engineering.com and mail.koch-engineering.com is koch-engineering.com.
IP Addresses
koch-engineering.com directs to one IP number, which is 94.231.107.251.
Among the host names that share IP numbers with koch-engineering.com are hairplanet.dk, www.railway.zone, refshauge.eu and two others.
Name Servers
Two name servers handle the delegation for koch-engineering.com: ns01.one.com and ns02.one.com.
koch-engineering.com has the same name server delegation as a number of other domains, such as pzishk.org, rudback.se, rezidor.dk and two more.
ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Mail for koch-engineering.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
koch-engineering.com shares at least some of its mail servers with other domains — for example tantescatering.com, freelink.nl, patte-blanche.com and two more.
It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.
Hosts with two IP numbers each:
aspmx.l.google.com resolves to two addresses: 142.251.179.26 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.