react-study.org - dns.ninja
react-study.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com -all | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2026-07-06 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1788136420 | ||||||
Same first word
react-study.org |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.simply.com2026-08-27 → 2026-08-31 · 2 obs
● 2026-08-31 01:19:04
●NSns2.simply.com2026-08-27 → 2026-08-31 · 2 obs
● 2026-08-31 01:19:04
●NSns3.simply.com2026-08-27 → 2026-08-31 · 2 obs
● 2026-08-31 01:19:04
●MXmx.simply.com2026-08-27 → 2026-08-31 · 2 obs
● 2026-08-31 01:19:04
●A216.150.1.12026-08-27 → 2026-08-31 · 2 obs
● 2026-08-31 01:19:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| react-study.org | ns1.simply.com, ns2.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:185.25.141.15
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 3 | ns1.simply.com, ns2.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.simply.com -all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
react-study.org resolves to one IP address: 216.150.1.1.
bbfilepoint.com, stremu.com, mtmaintenance.ca and two other host names share IP numbers with react-study.org.
Name Servers
The authoritative name servers for react-study.org are ns1.simply.com, ns2.simply.com and ns3.simply.com — three in total.
At least some of react-study.org's name servers are shared with other domains, for example kulturstationensilkeborg.dk, logovin.dk, kospi.dk and two more.
These name servers tend to be used in conjunction with the name servers ns4.simply.com.
Hostnames that resolve to two IP addresses:
ns1.simply.com directs traffic to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com directs traffic to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Hosts with just one IP address:
ns3.simply.com has the IP address 91.197.248.79.
Mail Servers
Mail for react-study.org is handled by a single mail server, mx.simply.com.
react-study.org uses an identical mail server configuration to several other domains — among them affiliatelink.store, notdraget.se, fosab.se and two more.
At least a portion of react-study.org's mail servers are shared with other domains, among them yvonnekrogh.dk and dpfa.dk.
mx.simply.com directs to just one IP number, 94.231.106.20.