instructbc.com - dns.ninja
instructbc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c1::13🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| A | 97.74.108.19🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| NS | ns38.domaincontrol.com | ||||||
| A | 2603:5:22c1::13🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| A | 173.201.76.19🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| MX | instructbc-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | NETORGFT17841266.onmicrosoft.com | ||||||
| TXT | v=spf1 include:secureserver.net -all | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2024-11-29 #0 | ||||||
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=1793634821 | ||||||
Same first word
instructbc.com |
Previous names
Next names
DNS History
8 records (5 active, 3 former)
●NSns37.domaincontrol.com2016-12-18 → 2026-11-02 · 2 obs
● 2026-11-02 16:10:34
●NSns38.domaincontrol.com2016-12-18 → 2026-11-02 · 2 obs
● 2026-11-02 16:10:34
●MXinstructbc-com.mail.protection.outlook.com2026-10-22 → 2026-11-02 · 3 obs
● 2026-10-22 23:34:18
● 2026-11-02 16:10:34
○MXmailstore1.secureserver.net2016-12-18 → 2017-12-07 · 4 obs
● 2017-12-07 20:33:00
○ 2026-10-22 23:34:18
○ 2026-11-02 16:10:34
○MXsmtp.secureserver.net2016-12-18 → 2017-12-07 · 4 obs
● 2017-12-07 20:33:00
○ 2026-10-22 23:34:18
○ 2026-11-02 16:10:34
●A13.248.243.52026-10-22 → 2026-11-02 · 3 obs
● 2026-10-22 23:34:18
● 2026-11-02 16:10:34
○A184.168.221.472016-12-18 → 2017-12-07 · 4 obs
● 2017-12-07 20:33:00
○ 2026-10-22 23:34:18
○ 2026-11-02 16:10:34
●A76.223.105.2302026-10-22 → 2026-11-02 · 3 obs
● 2026-10-22 23:34:18
● 2026-11-02 16:10:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| instructbc.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| MX | 1 | instructbc-com.mail.protection.outlook.c |
| TXT | 2 | NETORGFT17841266.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
IP Addresses
instructbc.com resolves to the IP addresses 13.248.243.5 and 76.223.105.230
Other host names, for instance 4x4tables.com, artnesttreasures.com, capitalworksfunding.com and two other share IP numbers with instructbc.com.
Name Servers
The NS records for instructbc.com delegate to ns37.domaincontrol.com and ns38.domaincontrol.com.
The name server configuration of instructbc.com is shared with other domains, for instance cakesbyflo.com, komykaybehavioralhealth.org, stormandrews.com and two others.
ns37.domaincontrol.com resolves to 97.74.108.19 and 2603:5:21c1::13. Likewise, ns38.domaincontrol.com resolves to 173.201.76.19 and 2603:5:22c1::13 — two IP addresses apiece.
Mail Servers
instructbc.com uses one mail server — instructbc-com.mail.protection.outlook.com.