testserver01.de - robtex.com
testserver01.de
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=1776240869 | ||||||
Subdomains
mail.testserver01.de |
Same first word
testserver01.de |
DNS History
7 records (5 active, 2 former)
●NSns1.coreto-server.de2015-07-10 → 2026-04-15 · 2 obs
● 2026-04-15 08:18:32
●NSns2.coreto-server.de2015-07-10 → 2026-04-15 · 2 obs
● 2026-04-15 08:18:32
○MXmail.testserver01.de2015-07-10 → 2015-11-26 · 4 obs
● 2015-11-26 14:38:52
○ 2016-03-01 17:36:20
○ 2026-04-15 08:18:32
●MXms95544690.msv1.invalid2016-03-01 → 2026-04-15 · 3 obs
● 2016-03-01 17:36:20
● 2026-04-15 08:18:32
●MXtestserver01-de.mail.protection.outlook.com2016-03-01 → 2026-04-15 · 3 obs
● 2016-03-01 17:36:20
● 2026-04-15 08:18:32
○A87.237.123.1942015-07-10 → 2015-11-26 · 4 obs
● 2015-11-26 14:38:52
○ 2016-03-01 17:36:20
○ 2026-04-15 08:18:32
●A87.237.123.2042016-03-01 → 2026-04-15 · 3 obs
● 2016-03-01 17:36:20
● 2026-04-15 08:18:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| testserver01.de | ns1.coreto-server.de, ns2.coreto-server.de | 2 records |
✅ Authoritative Response
Server:87.237.124.3
NS records: ns1.coreto-server.de, ns2.coreto-server.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for testserver01.de (unsigned zone)
⏱️ Timing
Total: 665ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.237.123.204 |
| NS | 2 | ns2.coreto-server.de, ns1.coreto-server.de |
| MX | 2 | testserver01-de.mail.protection.outlook., ms95544690.msv1.invalid (pri: 1) |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms72849294 |
| SOA | 1 | ns1.coreto-server.de hostmaster.coreto-s |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.coreto-server.de, ns2.coreto-server.de)
Analysis
Hierarchy
testserver01.de is the parent of mail.testserver01.de.
IP Addresses
testserver01.de resolves to a single IP address: 87.237.123.204.
Other host names including mx.coreto-server.de, postmaster.coreto-server.de, hostmaster.coreto-server.de, mail.testserver01.de and ns.coreto-server.de share IP numbers with testserver01.de.
Name Servers
testserver01.de's delegation uses two name servers, ns1.coreto-server.de and ns2.coreto-server.de.
testserver01.de shares the same name server setup as other domains, for example rect.coreto.de, coreto.de, rect-online.de, correto.de and rect-coreto.com.
testserver01.de shares some name servers with other domains, such as soanli.de, maniscopic.de, manitou-service.de and manitou-haendler.de.
these name servers are commonly used with ns1.netbuild.net, ns2.netbuild.net, ns3.netbuild.net and ns4.netbuild.net.
Host names with a single IP:
ns1.coreto-server.de points to 87.237.124.3.
ns2.coreto-server.de points to 87.237.127.3.
Mail Servers
testserver01.de is handled by two mail servers: ms95544690.msv1.invalid and testserver01-de.mail.protection.outlook.com.
Host name with eight IP numbers:
The host name testserver01-de.mail.protection.outlook.com points to 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.