mx0.openschoolbook.com - robtex.com
mx0.openschoolbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.237.138.5🇩🇪 GD-EMEA-DC-CGN180.237.138.0/24 GD MASS Network | ||||||
| PTR | mx0.webpack.hosteurope.de | ||||||
openschoolbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:488:42:1000:57e6:6825:fff6:ada1🇩🇪 GODADDY2a01:488::/32 DE-HER-V6-INITIAL | ||||||
| A | 87.230.104.37🇩🇪 GD-EMEA-DC-CGN187.230.104.0/22 GD MASS Network | ||||||
| NS | ns03.domaincontrol.com ⭐ | ||||||
| NS | ns04.domaincontrol.com | ||||||
| MX | mx0.openschoolbook.com ⭐ | ||||||
| TXT | v=spf1 a mx include:spf.server-he.de -all | ||||||
| SOA | ns03.domaincontrol.comdns@jomax.net 2024-02-07 #0 | ||||||
MX for
Same first word
mx0.org |
mx0.eu |
mx0.fr |
mx0.de |
mx0.net |
mx0.in |
mx0.email |
mx0.nl |
mx0.kinghost.net |
mx0.com |
mx0.na4u.ru |
mx0.me |
mx0.ca |
mx0.ru |
Similar names
m0x.de |
xm0.net |
m0x.io |
xm0.cc |
m0x.net |
0mx.top |
xm0.ru |
m0x.com |
xm0.com |
x0m.ru |
0mx.net |
0xm.de |
0mx.cc |
0xm.com |
0mx.org |
0xm.cc |
x0m.com |
0mx.cn |
0xm.net |
m0x.us |
m0x.cn |
x0m.net |
0mx.com |
x0m.de |
m0x.ru |
0mx.de |
m0x.org |
DNS History
1 record (1 active, 0 former)
●A80.237.138.52015-06-28 → 2026-03-27 · 2 obs
● 2015-06-28 17:03:10
● 2026-03-27 06:14:20
● 2026-03-27 06:14:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| openschoolbook.com | ns03.domaincontrol.com, ns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.2
NS records: ns03.domaincontrol.com, ns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openschoolbook.com (unsigned zone)
⏱️ Timing
Total: 74ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.237.138.5 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns03.domaincontrol.com, ns03.domaincontrol.com, ns04.domaincontrol.com...)
Analysis
Mail Server Role
mx0.openschoolbook.com is the mail server for openschoolbook.com.
IP Addresses
mx0.openschoolbook.com resolves to one IP number: 80.237.138.5.
other host names including mx0.braitinger-gmbh.com, mx0.d-jobs.de, mx0.bsg1963.de, mx0.changebyview.com and mx0.hackpad.net share IP numbers with mx0.openschoolbook.com.