certificationtutor.com - robtex.com
certificationtutor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns55.domaincontrol.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | ns55.domaincontrol.comdns@jomax.net 2026-01-26 #1 | ||||||
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=1774646002 | ||||||
Same first word
certificationtutor.com |
DNS History
12 records (4 active, 8 former)
○NSbuy.internettraffic.com2015-07-21 → 2016-03-22 · 4 obs
● 2016-03-22 22:30:06
○ 2016-09-21 08:47:48
○ 2026-03-27 21:21:46
○NSns1.uniregistrymarket.link2016-09-21 → 2017-06-09 · 4 obs
● 2016-09-21 08:47:48
● 2017-06-09 20:15:34
○ 2026-03-27 21:21:46
○NSns2.uniregistrymarket.link2016-09-21 → 2017-06-09 · 4 obs
● 2016-09-21 08:47:48
● 2017-06-09 20:15:34
○ 2026-03-27 21:21:46
●NSns55.domaincontrol.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:21:46
●NSns56.domaincontrol.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:21:46
○NSsell.internettraffic.com2015-07-21 → 2016-03-22 · 4 obs
● 2016-03-22 22:30:06
○ 2016-09-21 08:47:48
○ 2026-03-27 21:21:46
○A15.197.142.1732026-03-27 → 2026-03-27 · 1 obs
●A15.197.225.1282026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:21:46
○A3.33.152.1472026-03-27 → 2026-03-27 · 1 obs
●A3.33.251.1682026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 21:21:46
○A69.172.201.1532016-09-21 → 2017-06-09 · 4 obs
● 2016-09-21 08:47:48
● 2017-06-09 20:15:34
○ 2026-03-27 21:21:46
○A69.172.201.2082015-07-21 → 2016-03-22 · 4 obs
● 2016-03-22 22:30:06
○ 2016-09-21 08:47:48
○ 2026-03-27 21:21:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| certificationtutor.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 certificationtutor.com (unsigned zone)
⏱️ Timing
Total: 183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns55.domaincontrol.com, ns56.domaincontrol.com |
| 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
certificationtutor.com resolves to two IPs: 3.33.251.168 and 15.197.225.128.
other host names for instance adithic.com, recruitgrp.net, adamus-ses.org, coolties.net and crystalballconsulting.com share IP numbers with certificationtutor.com.
Name Servers
certificationtutor.com is delegated to two name servers: ns55.domaincontrol.com and ns56.domaincontrol.com.
certificationtutor.com shares the same name server setup as other domains, for example mycrrfiles.com, bodywisesc.com, wwest.us, whitebuffalowine.com and e-mailcontinuity.com.
Host names with two IP numbers:
ns55.domaincontrol.com points to 2603:5:21b2::1c and 97.74.107.28
ns56.domaincontrol.com points to 2603:5:22b2::1c and 173.201.75.28