firstutors.com - robtex.com
firstutors.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=1774524222 | ||||||
Subdomains
www.firstutors.com |
Same first word
firstutors.com |
DNS History
6 records (6 active, 0 former)
●NSns-1216.awsdns-24.org2015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
●NSns-1800.awsdns-33.co.uk2015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
●NSns-394.awsdns-49.com2015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
●NSns-529.awsdns-02.net2015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
●MXmail.firsttutors.ws2015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
●A46.137.175.1362015-07-16 → 2026-03-26 · 2 obs
● 2026-03-26 11:44:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstutors.com | ns-529.awsdns-02.net, ns-394.awsdns-49.com, ns-1800.awsdns-33.co.uk, ns-1216.awsdns-24.org | 1 record |
✅ Authoritative Response
Server:205.251.196.192
NS records: ns-529.awsdns-02.net, ns-394.awsdns-49.com, ns-1800.awsdns-33.co.uk, ns-1216.awsdns-24.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstutors.com (unsigned zone)
⏱️ Timing
Total: 642ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.137.175.136 |
| NS | 4 | ns-1216.awsdns-24.org, ns-1800.awsdns-33.co.uk... |
| MX | 1 | mail.firsttutors.ws (pri: 10) |
| TXT | 1 | spf2.0/pra mx ptr include:amazonses.com |
| SOA | 1 | ns-1216.awsdns-24.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-394.awsdns-49.com)
Analysis
Hierarchy
firstutors.com is the parent of www.firstutors.com.
IP Addresses
firstutors.com resolves to a single IP: 46.137.175.136.
Other host names, for instance firsttutors.co.uk, firsttutors.mobi, f1rsttutors.co.uk, prontoripetizioni.com and www.first-tutors.com share IP numbers with firstutors.com.
Name Servers
firstutors.com is delegated to four name servers: ns-394.awsdns-49.com, ns-529.awsdns-02.net, ns-1216.awsdns-24.org and ns-1800.awsdns-33.co.uk.
firstutors.com shares some name servers with other domains, for example iqsub.net, dux1j03d1x8w9.cloudfront.net, theinsuranceshopusa.com, westerntoyota.com.au and primarytreesurgeons.co.uk.
These name servers are commonly used together with ns-1282.awsdns-32.org and ns-1815.awsdns-34.co.uk.
Host names with two IP numbers
Two IPs per host:
ns-394.awsdns-49.com points to 2600:9000:5301:8a00::1 and 205.251.193.138
ns-529.awsdns-02.net points to 2600:9000:5302:1100::1 and 205.251.194.17
ns-1216.awsdns-24.org points to 2600:9000:5304:c000::1 and 205.251.196.192
ns-1800.awsdns-33.co.uk points to 2600:9000:5307:800::1 and 205.251.199.8
Mail Servers
firstutors.com is handled by a single mail server, mail.firsttutors.ws.
firstutors.com shares the mail server setup with other domains, for example revisioncourse.com, firsttutors.co, first-tutors.co.uk, first-tutors.com and nachhilfefinder.com.
Host name mail.firsttutors.ws points to IP 46.137.177.70.