teachecker.com - robtex.com
teachecker.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=1771291435 | ||||||
Same first word
teachecker.app |
teachecker.com |
teachecker.net |
DNS History
4 records (4 active, 0 former)
●NSns55.domaincontrol.com2026-02-24 → 2026-03-23 · 2 obs
● 2026-03-23 16:44:54
●NSns56.domaincontrol.com2026-02-24 → 2026-03-23 · 2 obs
● 2026-03-23 16:44:54
●MXteachecker-com.mail.protection.outlook.com2026-02-24 → 2026-03-23 · 2 obs
● 2026-03-23 16:44:54
●A216.150.1.12026-02-24 → 2026-03-23 · 2 obs
● 2026-03-23 16:44:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net... | - |
| teachecker.com | ns55.domaincontrol.com, ns56.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.107.28
NS records: ns55.domaincontrol.com, ns56.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachecker.com (unsigned zone)
⏱️ Timing
Total: 111ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 2 | ns55.domaincontrol.com, ns56.domaincontrol.com |
| MX | 1 | teachecker-com.mail.protection.outlook.c |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, google-site-verification=_bAW4nlKU1j9kpQ |
| SOA | 1 | ns55.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns55.domaincontrol.com, ns55.domaincontrol.com, ns56.domaincontrol.com...)
Analysis
IP Addresses
teachecker.com resolves to one IP number: 216.150.1.1.
other host names including holzprofi24.de, architekturdialoge.ch, www.weflycheap.be, digitexa.com and wintersport.pagina.nl share IP numbers with teachecker.com.
Name Servers
teachecker.com is delegated to two name servers ns55.domaincontrol.com and ns56.domaincontrol.com.
teachecker.com shares the same name server setup as other domains, for instance dental3.net, gameday123.com, jatraining.com, klevent.com and raisegpa.com.
Host names with two IP numbers:
The host name ns55.domaincontrol.com points to 2603:5:21b2::1c and 97.74.107.28; the host name ns56.domaincontrol.com points to 2603:5:22b2::1c and 173.201.75.28.
Mail Servers
teachecker.com is handled by a single mail server, teachecker-com.mail.protection.outlook.com.
Host teachecker-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c931::1, 2a01:111:f403:c946::1, 2a01:111:f403:f909::, 2a01:111:f403:f90a::, 52.101.9.11, 52.101.11.17, 52.101.41.56 and 52.101.42.18.