readingcomprehension4u.com - robtex.com
readingcomprehension4u.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=1774664172 | ||||||
Same first word
readingcomprehension4u.com |
DNS History
7 records (6 active, 1 former)
●NSns49.domaincontrol.com2015-08-18 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
●NSns50.domaincontrol.com2015-08-18 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
●MXmailstore1.secureserver.net2015-08-18 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
●MXsmtp.secureserver.net2015-08-18 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
●A13.248.213.452026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
○A184.168.221.922015-08-18 → 2017-03-19 · 3 obs
● 2017-03-19 10:14:38
○ 2026-03-28 02:41:54
●A76.223.67.1892026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 02:41:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| readingcomprehension4u.com | ns49.domaincontrol.com, ns50.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for readingcomprehension4u.com (unsigned zone)
⏱️ Timing
Total: 112ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns49.domaincontrol.com, ns49.domaincontrol.com, ns50.domaincontrol.com...)
Analysis
IP Addresses
readingcomprehension4u.com points to two IPs: 13.248.213.45 and 76.223.67.189.
Other host names including ospreyinfosec.com, jeml.org, 99u1.com, hytechpro.biz and retelome.com share IP numbers with readingcomprehension4u.com.
Name Servers
readingcomprehension4u.com's delegation uses two name servers, ns49.domaincontrol.com and ns50.domaincontrol.com.
readingcomprehension4u.com shares the same name server setup as other domains, for example naturebydesignlandscaping.com, badth.org.uk, agilitybizsolutions.com, ericlandriau.info and way2cart.in.
Host names with two IPs:
ns49.domaincontrol.com points to: 2603:5:2182::19 and 97.74.104.25
ns50.domaincontrol.com points to: 2603:5:2282::19 and 173.201.72.25
Mail Servers
readingcomprehension4u.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
readingcomprehension4u.com shares its mail server setup with other domains, including thinice.net, suncitynotary.com, deliverandsetup.com, irishmagic.org and orcasupply.ca.
readingcomprehension4u.com shares some mail servers with other domains, for example tecvideostv.es and ktbinteriors.com.
Host names with three IPs:
mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162
smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113