worldwidescience.com - dns.ninja
worldwidescience.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| 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=1786403629 | ||||||
Subdomains
www.worldwidescience.com |
Same first word
worldwidescience.my |
worldwidescience.com |
worldwidescience.org |
Similar names
DNS History
6 records (3 active, 3 former)
●NSns.buydomains.com2015-06-12 → 2026-08-10 · 2 obs
● 2026-08-10 23:28:00
●NSthis-domain-for-sale.com2026-03-05 → 2026-08-10 · 3 obs
● 2026-03-05 20:05:16
● 2026-08-10 23:28:00
○A141.8.225.1242015-12-30 → 2016-09-13 · 5 obs
● 2015-12-30 18:55:12
● 2016-09-13 14:25:34
○ 2018-01-28 03:09:58
○ 2026-08-10 23:28:00
●A207.148.248.1432026-03-05 → 2026-08-10 · 3 obs
● 2026-03-05 20:05:16
● 2026-08-10 23:28:00
○A209.99.64.432018-01-28 → 2018-01-28 · 4 obs
● 2018-01-28 03:09:58
○ 2026-03-05 20:05:16
○ 2026-08-10 23:28:00
○A50.63.202.1042015-06-12 → 2015-10-23 · 4 obs
● 2015-10-23 22:57:36
○ 2015-12-30 18:55:12
○ 2026-08-10 23:28:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| worldwidescience.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 worldwidescience.com (unsigned zone)
⏱️ Timing
Total: 191ms | 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
worldwidescience.com serves as the parent of www.worldwidescience.com.
IP Addresses
worldwidescience.com resolves to one IP address: 207.148.248.143.
powerearning.com, racerkit.com, symbioticdesigns.com and two other host names share IP numbers with worldwidescience.com.
Name Servers
Two name servers handle the delegation for worldwidescience.com: this-domain-for-sale.com and ns.buydomains.com.
worldwidescience.com uses the same name servers as several other domains — among them conradservices.com, phodream.com, synerec.com and two more.
worldwidescience.com has a partial name server overlap with other domains — among them asherassociates.com and arizonacraftsman.com.
this-domain-for-sale.com directs to 52.20.26.87, as does ns.buydomains.com — both hostnames resolve to that one IP address.
this-domain-for-sale.com along with ns.buydomains.com each resolve to 52.20.26.87 IP addresses.