isucu.com - robtex.com
isucu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2023-09-20 #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=1793882266 | ||||||
Same first word
Similar names
Previous names
Next names
isucultimate.com |
isucunnington.com |
isucurry.com |
isucurryinsurance.com |
isucy.com |
isucyber.com |
isucyclones.com |
isucyn-hr.com |
isud.com |
isud01.com |
isud66.com |
isud9y.com |
isuda.com |
isudacare.com |
isudad.com |
DNS History
10 records (4 active, 6 former)
○NSbuy.internettraffic.com2015-08-26 → 2016-08-02 · 4 obs
● 2016-08-02 21:52:24
○ 2016-09-29 08:26:42
○ 2026-11-05 12:41:40
○NSns1.uniregistrymarket.link2016-09-29 → 2016-12-16 · 5 obs
● 2016-09-29 08:26:42
● 2016-12-16 23:47:24
○ 2026-08-20 17:26:10
○ 2026-11-05 12:41:40
○NSns2.uniregistrymarket.link2016-09-29 → 2016-12-16 · 5 obs
● 2016-09-29 08:26:42
● 2016-12-16 23:47:24
○ 2026-08-20 17:26:10
○ 2026-11-05 12:41:40
●NSns21.domaincontrol.com2026-08-20 → 2026-11-05 · 3 obs
● 2026-08-20 17:26:10
● 2026-11-05 12:41:40
●NSns22.domaincontrol.com2026-08-20 → 2026-11-05 · 3 obs
● 2026-08-20 17:26:10
● 2026-11-05 12:41:40
○NSsell.internettraffic.com2015-08-26 → 2016-08-02 · 4 obs
● 2016-08-02 21:52:24
○ 2016-09-29 08:26:42
○ 2026-11-05 12:41:40
●A15.197.148.332026-08-20 → 2026-11-05 · 3 obs
● 2026-08-20 17:26:10
● 2026-11-05 12:41:40
●A3.33.130.1902026-08-20 → 2026-11-05 · 3 obs
● 2026-08-20 17:26:10
● 2026-11-05 12:41:40
○A69.172.201.1532016-05-28 → 2016-12-16 · 5 obs
● 2016-05-28 05:31:16
● 2016-12-16 23:47:24
○ 2026-08-20 17:26:10
○ 2026-11-05 12:41:40
○A69.172.201.2082015-08-26 → 2016-04-07 · 4 obs
● 2016-04-07 17:40:22
○ 2016-05-28 05:31:16
○ 2026-11-05 12:41:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
| isucu.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isucu.com (unsigned zone)
⏱️ Timing
Total: 2582ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
IP Addresses
isucu.com points to the IP addresses 3.33.130.190 and 15.197.148.33
fitnuzz.com, n-of1.com, crookedcow.net and two other host names share IP numbers with isucu.com.
Name Servers
The NS records for isucu.com delegate to ns21.domaincontrol.com and ns22.domaincontrol.com.
isucu.com uses the same name servers as several other domains — among them mapexterminator.com, embodiedloveandlight.com, publishingaccess.mobi and two more.
ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b. Likewise, ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b — two IP addresses apiece.