tutorialclasses.com - robtex.com
tutorialclasses.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns55.domaincontrol.com ⚠️ Not in zone NS records | ||||||
| A | 2603:5:21b2::1c🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns55.domaincontrol.com | ||||||
| A | 97.74.107.28🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns55.domaincontrol.com | ||||||
| NS | ns56.domaincontrol.com ⚠️ Not in zone NS records | ||||||
| A | 2603:5:22b2::1c🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns56.domaincontrol.com | ||||||
| A | 173.201.75.28🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns56.domaincontrol.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=1787998025 | ||||||
Same first word
tutorialclasses.com |
Previous names
Next names
DNS History
16 records (2 active, 14 former)
○NScortney.ns.cloudflare.com2019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○NSmark.ns.cloudflare.com2019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○NSns51.domaincontrol.com2015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
○NSns52.domaincontrol.com2015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
●NSns55.domaincontrol.com2026-07-02 → 2026-08-29 · 3 obs
○ 2019-12-24 21:54:34
● 2026-07-02 19:37:48
● 2026-08-29 10:09:32
● 2026-07-02 19:37:48
● 2026-08-29 10:09:32
●NSns56.domaincontrol.com2026-07-02 → 2026-08-29 · 3 obs
○ 2019-12-24 21:54:34
● 2026-07-02 19:37:48
● 2026-08-29 10:09:32
● 2026-07-02 19:37:48
● 2026-08-29 10:09:32
○MXmailstore1.secureserver.net2015-05-31 → 2019-12-24 · 4 obs
● 2015-05-31 21:09:00
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○MXsmtp.secureserver.net2015-05-31 → 2019-12-24 · 4 obs
● 2015-05-31 21:09:00
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○A104.18.38.882019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○A104.18.39.882019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○A216.239.32.212015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
○A216.239.34.212015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
○A216.239.36.212015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
○A216.239.38.212015-05-31 → 2017-02-19 · 4 obs
● 2015-05-31 21:09:00
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
● 2017-02-19 19:18:38
○ 2019-12-24 21:54:34
○ 2026-08-29 10:09:32
○A2606:4700:30::6812:26582019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
○A2606:4700:30::6812:27582019-12-24 → 2019-12-24 · 4 obs
○ 2017-02-19 19:18:38
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
● 2019-12-24 21:54:34
○ 2026-07-02 19:37:48
○ 2026-08-29 10:09:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| tutorialclasses.com | ns55.domaincontrol.com, ns56.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.75.28
NS records: ns55.domaincontrol.com, ns56.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorialclasses.com (unsigned zone)
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns55.domaincontrol.com, ns55.domaincontrol.com, ns56.domaincontrol.com...)
Analysis
Name Servers
The NS records for tutorialclasses.com delegate to ns55.domaincontrol.com and ns56.domaincontrol.com.
tutorialclasses.com shares its name server setup with other domains, including cryptosimple.io, laobra.net, (0x706f726e)owar.com and two others.
ns55.domaincontrol.com resolves to 97.74.107.28 and 2603:5:21b2::1c. Likewise, ns56.domaincontrol.com resolves to 173.201.75.28 and 2603:5:22b2::1c — two IP addresses apiece.