bio4edu.com - robtex.com
bio4edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.152.147🇺🇸 Amazon3.33.144.0/20 | ||||||
| PTR | a4ec4c6ea1c92e2e6.awsglobalaccelerator.com | ||||||
| A | 15.197.142.173🇺🇸 Amazon15.197.128.0/20 | ||||||
| NS | ns11.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2190::6🇺🇸 GODADDY-DNS2603:5:2190::/44 | ||||||
| PTR | ns11.domaincontrol.com | ||||||
| A | 97.74.105.6🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns11.domaincontrol.com | ||||||
| NS | ns12.domaincontrol.com | ||||||
| A | 2603:5:2290::6🇺🇸 GODADDY-DNS2603:5:2290::/44 | ||||||
| PTR | ns12.domaincontrol.com | ||||||
| A | 173.201.73.6🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns12.domaincontrol.com | ||||||
| MX | bio4edu-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | NETORGFT1328261.onmicrosoft.com | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns11.domaincontrol.comdns@jomax.net 2021-10-21 #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=1776988831 | ||||||
Same first word
bio4edu.com |
DNS History
11 records (5 active, 6 former)
●NSns11.domaincontrol.com2015-07-20 → 2026-04-24 · 2 obs
● 2026-04-24 00:04:16
●NSns12.domaincontrol.com2015-07-20 → 2026-04-24 · 2 obs
● 2026-04-24 00:04:16
●MXbio4edu-com.mail.protection.outlook.com2016-03-15 → 2026-04-24 · 3 obs
● 2016-03-15 04:29:04
● 2026-04-24 00:04:16
○MXmailstore1.secureserver.net2015-07-20 → 2015-12-03 · 4 obs
● 2015-12-03 12:08:10
○ 2016-03-15 04:29:04
○ 2026-04-24 00:04:16
○MXsmtp.secureserver.net2015-07-20 → 2015-12-03 · 4 obs
● 2015-12-03 12:08:10
○ 2016-03-15 04:29:04
○ 2026-04-24 00:04:16
●A15.197.142.1732026-04-03 → 2026-04-24 · 3 obs
● 2026-04-03 16:54:22
● 2026-04-24 00:04:16
○A160.153.136.32016-07-16 → 2016-07-16 · 4 obs
● 2016-07-16 04:24:06
○ 2017-01-02 22:00:48
○ 2026-04-24 00:04:16
○A184.168.131.2412019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 09:00:24
○ 2026-04-03 16:54:22
○ 2026-04-24 00:04:16
○A184.168.221.42015-07-20 → 2015-12-03 · 4 obs
● 2015-12-03 12:08:10
○ 2016-03-15 04:29:04
○ 2026-04-24 00:04:16
○A198.71.232.32016-03-15 → 2017-01-02 · 6 obs
● 2016-03-15 04:29:04
○ 2016-07-16 04:24:06
● 2017-01-02 22:00:48
○ 2019-04-05 09:00:24
○ 2026-04-24 00:04:16
●A3.33.152.1472026-04-03 → 2026-04-24 · 3 obs
● 2026-04-03 16:54:22
● 2026-04-24 00:04:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net... | - |
| bio4edu.com | ns11.domaincontrol.com, ns12.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.105.6
NS records: ns11.domaincontrol.com, ns12.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bio4edu.com (unsigned zone)
⏱️ Timing
Total: 166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 2 | ns11.domaincontrol.com, ns12.domaincontrol.com |
| MX | 1 | bio4edu-com.mail.protection.outlook.com |
| TXT | 2 | NETORGFT1328261.onmicrosoft.com, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns11.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.domaincontrol.com, ns11.domaincontrol.com, ns12.domaincontrol.com...)
Analysis
IP Addresses
bio4edu.com points to two IPs: 3.33.152.147 and 15.197.142.173.
Other host names including greentoybox.com, allsports.photography, preefab.com, renutec.co and 3c1b.us share IP numbers with bio4edu.com.
Name Servers
bio4edu.com's delegation uses two name servers, ns11.domaincontrol.com and ns12.domaincontrol.com.
bio4edu.com shares the same name server setup as other domains, for example owasp.us, ionatech.net, fusioncreativemedia.com, confidentialdna.com and virtualitsystems.com.
bio4edu.com at least partially shares name servers with other domains; for instance sandy-ho.com.tw.
Host names with two IPs:
ns11.domaincontrol.com points to: 2603:5:2190::6 and 97.74.105.6
ns12.domaincontrol.com points to: 2603:5:2290::6 and 173.201.73.6
Mail Servers
bio4edu.com is handled by a single mail server, bio4edu-com.mail.protection.outlook.com.