firstclasslearning.com - dns.ninja
firstclasslearning.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| NS | ns03.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2150::2🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns03.domaincontrol.com | ||||||
| A | 97.74.101.2🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns03.domaincontrol.com | ||||||
| NS | ns04.domaincontrol.com | ||||||
| A | 2603:5:2250::2🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns04.domaincontrol.com | ||||||
| A | 173.201.69.2🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns04.domaincontrol.com | ||||||
| MX | mail.firstclasslearning.com ⭐ | ||||||
| A | 159.253.208.55🇬🇧 UKFAST159.253.208.0/21 | ||||||
| PTR | 159.253.208.55.srvlist.ukfast.net | ||||||
| SOA | ns03.domaincontrol.comdns@jomax.net 2024-08-16 #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=1785142042 | ||||||
Subdomains
Same first word
firstclasslearning.com |
firstclasslearning.ie |
firstclasslearning.co.uk |
firstclasslearning.de |
DNS History
9 records (5 active, 4 former)
○NSns.123-reg.co.uk2015-05-30 → 2020-03-07 · 5 obs
● 2015-05-30 22:22:12
● 2020-03-07 11:31:16
○ 2026-07-27 08:55:40
○ 2026-07-27 08:55:44
●NSns03.domaincontrol.com2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 08:55:40
● 2026-07-27 08:55:44
●NSns04.domaincontrol.com2026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 08:55:40
● 2026-07-27 08:55:44
○NSns2.123-reg.co.uk2015-05-30 → 2020-03-07 · 5 obs
● 2015-05-30 22:22:12
● 2020-03-07 11:31:16
○ 2026-07-27 08:55:40
○ 2026-07-27 08:55:44
●MXmail.firstclasslearning.com2015-05-30 → 2026-07-27 · 3 obs
● 2015-05-30 22:22:12
● 2026-07-27 08:55:44
●A13.248.213.452026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 08:55:40
● 2026-07-27 08:55:44
○A159.253.208.552015-05-30 → 2016-01-23 · 5 obs
● 2015-05-30 22:22:12
● 2016-01-23 07:33:40
○ 2016-07-06 05:13:18
○ 2026-07-27 08:55:44
○A46.37.191.842016-07-06 → 2020-03-07 · 5 obs
● 2016-07-06 05:13:18
● 2020-03-07 11:31:16
○ 2026-07-27 08:55:40
○ 2026-07-27 08:55:44
●A76.223.67.1892026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 08:55:40
● 2026-07-27 08:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| firstclasslearning.com | ns03.domaincontrol.com, ns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.2
NS records: ns03.domaincontrol.com, ns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclasslearning.com (unsigned zone)
⏱️ Timing
Total: 146ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns03.domaincontrol.com, ns04.domaincontrol.com |
| MX | 1 | mail.firstclasslearning.com (pri: 10) |
| SOA | 1 | ns03.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns03.domaincontrol.com, ns03.domaincontrol.com, ns04.domaincontrol.com...)
Analysis
Hierarchy
firstclasslearning.com serves as the parent of tuition.firstclasslearning.com and mail.firstclasslearning.com.
IP Addresses
firstclasslearning.com has two IP addresses: 13.248.213.45 and 76.223.67.189
stevedenner.com, ateezbaltimore.com, instrumentalarchitecture.com plus two other host names have IP numbers in common with firstclasslearning.com.
Name Servers
firstclasslearning.com is delegated to two name servers: ns03.domaincontrol.com and ns04.domaincontrol.com.
The name server configuration of firstclasslearning.com is shared with other domains, for instance weisbachphotography.com, tourettequebec.com, glutenfreeallrecipes.com and two others.
Some name servers delegated to firstclasslearning.com are also used by other domains, notably myterms.info and esti.ie.
ns03.domaincontrol.com and ns04.domaincontrol.com each resolve to two IP addresses: ns03.domaincontrol.com points to 97.74.101.2 and 2603:5:2150::2, while ns04.domaincontrol.com points to 173.201.69.2 and 2603:5:2250::2.
Mail Servers
firstclasslearning.com uses one mail server — mail.firstclasslearning.com.
mail.firstclasslearning.com resolves to a single IP number: 159.253.208.55.