marksschool.com - robtex.com
marksschool.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=1778716136 | ||||||
Previously MX for
Subdomains
www.marksschool.com |
Same first word
marksschool.com |
Similar names
DNS History
13 records (6 active, 7 former)
○NSns47.domaincontrol.com2017-02-17 → 2017-02-17 · 3 obs
○ 2019-02-03 05:35:04
○ 2026-05-13 23:52:40
○NSns48.domaincontrol.com2017-02-17 → 2017-02-17 · 3 obs
○ 2019-02-03 05:35:04
○ 2026-05-13 23:52:40
●NSns49.domaincontrol.com2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
●NSns50.domaincontrol.com2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
○NSnsg1.namebrightdns.com2019-02-03 → 2019-02-03 · 4 obs
● 2019-02-03 05:35:04
○ 2026-04-04 18:43:56
○ 2026-05-13 23:52:40
○NSnsg2.namebrightdns.com2019-02-03 → 2019-02-03 · 4 obs
● 2019-02-03 05:35:04
○ 2026-04-04 18:43:56
○ 2026-05-13 23:52:40
○MXmarksschool.com2017-02-17 → 2017-02-17 · 3 obs
○ 2019-02-03 05:35:04
○ 2026-05-13 23:52:40
●MXmx0.123-reg.co.uk2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
●MXmx1.123-reg.co.uk2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
●A13.248.213.452026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
○A137.74.254.02017-02-17 → 2017-02-17 · 3 obs
○ 2019-02-03 05:35:04
○ 2026-05-13 23:52:40
●A76.223.67.1892026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 18:43:56
● 2026-05-13 23:52:40
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-02-03 → 2019-02-03 · 3 obs
○ 2026-04-04 18:43:56
○ 2026-05-13 23:52:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| marksschool.com | ns49.domaincontrol.com, ns50.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.72.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for marksschool.com (unsigned zone)
⏱️ Timing
Total: 174ms | 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 | mx1.123-reg.co.uk (pri: 20), mx0.123-reg.co.uk (pri: 10) |
| 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
Hierarchy
marksschool.com is parent of www.marksschool.com.
IP Addresses
marksschool.com points to two IP numbers: 13.248.213.45 and 76.223.67.189.
Other host names, for instance wuuno.com, vestidalia.com, 19k.com, brooklinefamily.com and ns1.orbitalnavigator.com share IP numbers with marksschool.com.
Name Servers
marksschool.com's delegation is to two name servers ns49.domaincontrol.com and ns50.domaincontrol.com.
marksschool.com shares the same name server configuration as other domains, such as where2ride.com, venkosa.com, decormater.com, flyg.tips and dunamismarketing.net.
Host names with two IP numbers: 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
Two mail servers mx0.123-reg.co.uk and mx1.123-reg.co.uk handle marksschool.com.
marksschool.com uses the same mail server setup as other domains such as shopwhizzu.com, edinburghica.com, timetovalue.net, straythoughtscomics.com and cloudcitynetworks.co.uk.
marksschool.com shares some mail servers with other domains, including belginatkin.com, wdrs.info, gwerren.com, flexiplates.co.uk and ds32.net.
Host names with three IP numbers
The host name mx0.123-reg.co.uk points to 216.69.141.71, 216.69.141.84 and 216.69.141.113; the host name mx1.123-reg.co.uk points to 216.69.141.78, 216.69.141.114 and 216.69.141.162