usrb.org - dns.ninja
usrb.org
| 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 | ||||||
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=1785738462 | ||||||
Subdomains
mail.usrb.org |
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSbuy.internettraffic.com2016-04-07 → 2016-04-07 · 4 obs
● 2016-04-07 10:59:40
○ 2016-05-09 22:46:44
○ 2026-08-03 06:59:32
●NSns.buydomains.com2016-05-09 → 2026-08-03 · 3 obs
● 2016-05-09 22:46:44
● 2026-08-03 06:59:32
○NSns1.bluehost.com2015-07-09 → 2015-07-09 · 3 obs
○ 2016-04-07 10:59:40
○ 2026-08-03 06:59:32
○NSns2.bluehost.com2015-07-09 → 2015-07-09 · 3 obs
○ 2016-04-07 10:59:40
○ 2026-08-03 06:59:32
○NSsell.internettraffic.com2016-04-07 → 2016-04-07 · 4 obs
● 2016-04-07 10:59:40
○ 2016-05-09 22:46:44
○ 2026-08-03 06:59:32
●NSthis-domain-for-sale.com2026-02-23 → 2026-08-03 · 3 obs
● 2026-02-23 12:26:56
● 2026-08-03 06:59:32
○MXmail.usrb.org2015-07-09 → 2015-07-09 · 3 obs
○ 2016-04-07 10:59:40
○ 2026-08-03 06:59:32
○A141.8.225.1242016-05-09 → 2016-05-09 · 4 obs
● 2016-05-09 22:46:44
○ 2017-01-10 08:00:30
○ 2026-08-03 06:59:32
●A207.148.248.1432017-01-10 → 2026-08-03 · 3 obs
● 2017-01-10 08:00:30
● 2026-08-03 06:59:32
○A69.172.201.2082016-04-07 → 2016-04-07 · 4 obs
● 2016-04-07 10:59:40
○ 2016-05-09 22:46:44
○ 2026-08-03 06:59:32
○A69.89.31.2012015-07-09 → 2015-07-09 · 3 obs
○ 2015-11-14 14:53:26
○ 2026-08-03 06:59:32
○A74.220.199.62015-11-14 → 2016-01-17 · 5 obs
● 2015-11-14 14:53:26
● 2016-01-17 23:38:14
○ 2016-04-07 10:59:40
○ 2026-08-03 06:59:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| usrb.org | this-domain-for-sale.com, ns.buydomains.com | - |
✅ Authoritative Response
Server:52.20.26.87
NS records: this-domain-for-sale.com, ns.buydomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usrb.org (unsigned zone)
⏱️ Timing
Total: 1919ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
Analysis
Hierarchy
mail.usrb.org is a subdomain of usrb.org.
IP Addresses
usrb.org resolves to just one IP address, 207.148.248.143.
Two other host names, along with toolboxmate.com, mx.prayguide.com and aspmx2.googlemail.com.largeventures.com, also share IP numbers with usrb.org.
Name Servers
usrb.org is served by two delegated name servers, this-domain-for-sale.com and ns.buydomains.com.
usrb.org shares its NS records with other domains, for example conversationtips.com, hssdirect.com, calmserenity.com and two others.
The DNS delegation for usrb.org at least partly coincides with that of other domains, alpinenetworking.com being one example.
this-domain-for-sale.com and ns.buydomains.com share one IP address between them — 52.20.26.87.
These two host names — this-domain-for-sale.com and ns.buydomains.com — each point to 52.20.26.87 IP addresses.