stembiology.com - robtex.com
stembiology.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| PTR | ip-207-148-248-143.defastlink.net | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1771291435 | ||||||
Subdomains
mx.stembiology.com |
Same first word
stembiology.com |
DNS History
9 records (3 active, 6 former)
●NSns.buydomains.com2026-03-22 → 2026-03-23 · 3 obs
● 2026-03-22 16:35:52
● 2026-03-23 08:08:12
○NSns1.powweb.com2015-06-05 → 2017-11-18 · 4 obs
● 2017-11-18 12:09:48
○ 2026-03-22 16:35:52
○ 2026-03-23 08:08:12
○NSns2.powweb.com2015-06-05 → 2017-11-18 · 4 obs
● 2017-11-18 12:09:48
○ 2026-03-22 16:35:52
○ 2026-03-23 08:08:12
●NSthis-domain-for-sale.com2026-03-22 → 2026-03-23 · 3 obs
● 2026-03-22 16:35:52
● 2026-03-23 08:08:12
○MXmx.stembiology.com2015-06-05 → 2017-11-18 · 4 obs
● 2017-11-18 12:09:48
○ 2026-03-22 16:35:52
○ 2026-03-23 08:08:12
○A192.64.117.462015-06-05 → 2015-06-05 · 3 obs
○ 2017-11-18 12:09:48
○ 2026-03-23 08:08:12
●A207.148.248.1432026-03-22 → 2026-03-23 · 3 obs
● 2026-03-22 16:35:52
● 2026-03-23 08:08:12
○A65.254.227.2402016-09-21 → 2017-11-18 · 5 obs
● 2016-09-21 12:21:26
● 2017-11-18 12:09:48
○ 2026-03-22 16:35:52
○ 2026-03-23 08:08:12
○A65.254.250.2042015-06-05 → 2016-04-01 · 4 obs
● 2016-04-01 01:56:20
○ 2016-09-21 12:21:26
○ 2026-03-23 08:08:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| stembiology.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stembiology.com (unsigned zone)
⏱️ Timing
Total: 3094ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
stembiology.com is the parent of mx.stembiology.com.
IP Addresses
stembiology.com resolves to a single IP: 207.148.248.143.
Other host names, for instance megahairstyles.com, competitionnow.com, askwebmasters.com, hostmaster.lawnbeautiful.com and davidsprojects.com share IP numbers with stembiology.com.
Name Servers
stembiology.com has two name servers: this-domain-for-sale.com and ns.buydomains.com.
stembiology.com shares the same name server setup as other domains, for example sweetfanatic.com, deserver.com, religiousverses.com, grusal.com and partenze.com.
Host names with one IP number:
this-domain-for-sale.com points to: 52.20.26.87
ns.buydomains.com points to: 52.20.26.87
Names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com