isucu.org - dns.ninja
isucu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns67.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2174::2c🇺🇸 GODADDY-DNS2603:5:2170::/44 | ||||||
| PTR | ns67.domaincontrol.com | ||||||
| A | 97.74.103.44🇺🇸 GODADDY-DNS97.74.102.0/23 | ||||||
| PTR | ns67.domaincontrol.com | ||||||
| NS | ns68.domaincontrol.com | ||||||
| A | 2603:5:2274::2c🇺🇸 GODADDY-DNS2603:5:2270::/44 | ||||||
| PTR | ns68.domaincontrol.com | ||||||
| A | 173.201.71.44🇺🇸 GODADDY-DNS173.201.70.0/23 | ||||||
| PTR | ns68.domaincontrol.com | ||||||
| MX | mx.usa.net ⭐ | ||||||
| A | 165.212.65.113🇺🇸 PERIMETER-NET165.212.0.0/16 SilverSky, Inc. | ||||||
| PTR | mx.usa.net | ||||||
| MX | mx.ct.mbox.net(20) | ||||||
| A | 165.212.65.113🇺🇸 PERIMETER-NET165.212.0.0/16 SilverSky, Inc. | ||||||
| PTR | mx.usa.net | ||||||
| TXT | v=spf1 include:spf.mandrillapp.com ?all | ||||||
| TXT | apple-domain-verification=09LEDTE3SOXnctg5 | ||||||
| SOA | ns67.domaincontrol.comdns@jomax.net 2026-02-08 #3 | ||||||
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=1782391800 | ||||||
Subdomains
www.isucu.org |
Same first word
Similar names
suciu.ch |
cuuis.cn |
siucu.org |
uucis.cc |
suuci.duckdns.org |
cuisu.com |
sucui.net |
siucu.com |
ucuis.cn |
uucis.com |
uiusc.com |
siucu.net |
cisuu.com |
suciu.de |
uicus.com |
cuisu.ph |
suciu.org |
suciu.ca |
suciu.com |
suuci.com |
DNS History
9 records (6 active, 3 former)
●NSns67.domaincontrol.com2015-07-19 → 2026-06-25 · 2 obs
● 2026-06-25 13:18:50
●NSns68.domaincontrol.com2015-07-19 → 2026-06-25 · 2 obs
● 2026-06-25 13:18:50
○MXmailstore1.secureserver.net2015-07-19 → 2017-05-02 · 4 obs
● 2017-05-02 09:35:24
○ 2026-06-25 13:18:48
○ 2026-06-25 13:18:50
●MXmx.ct.mbox.net2026-06-25 → 2026-06-25 · 3 obs
● 2026-06-25 13:18:48
● 2026-06-25 13:18:50
●MXmx.usa.net2026-06-25 → 2026-06-25 · 3 obs
● 2026-06-25 13:18:48
● 2026-06-25 13:18:50
○MXsmtp.secureserver.net2015-07-19 → 2017-05-02 · 4 obs
● 2017-05-02 09:35:24
○ 2026-06-25 13:18:48
○ 2026-06-25 13:18:50
●A15.197.225.1282026-06-25 → 2026-06-25 · 3 obs
● 2026-06-25 13:18:48
● 2026-06-25 13:18:50
○A184.106.10.2182015-07-19 → 2017-05-02 · 4 obs
● 2017-05-02 09:35:24
○ 2026-06-25 13:18:48
○ 2026-06-25 13:18:50
●A3.33.251.1682026-06-25 → 2026-06-25 · 3 obs
● 2026-06-25 13:18:48
● 2026-06-25 13:18:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| isucu.org | ns67.domaincontrol.com, ns68.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.71.44
NS records: ns67.domaincontrol.com, ns68.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isucu.org (unsigned zone)
⏱️ Timing
Total: 295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns67.domaincontrol.com, ns68.domaincontrol.com |
| MX | 2 | mx.usa.net (pri: 10), mx.ct.mbox.net (pri: 20) |
| TXT | 2 | v=spf1 include:spf.mandrillapp.com ?all, apple-domain-verification=09LEDTE3SOXnct |
| SOA | 1 | ns67.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
isucu.org is a parent domain of www.isucu.org.
IP Addresses
isucu.org directs to two IP numbers, 3.33.251.168 and 15.197.225.128
Among the host names that share IP numbers with isucu.org are bopkg.com, glistn.com, pi-erre.es and two others.
Name Servers
isucu.org uses two name servers for its delegation: ns67.domaincontrol.com and ns68.domaincontrol.com.
isucu.org has the same name server delegation as a number of other domains, such as ich-bin-paul.net, actifriend.com, jirehholdings.com and two more.
At least some of isucu.org's name servers are also used by other domains, among them vauxoo.net.
The two host names ns67.domaincontrol.com and ns68.domaincontrol.com each have a pair of IP addresses: ns67.domaincontrol.com has 97.74.103.44 and 2603:5:2174::2c, and ns68.domaincontrol.com has 173.201.71.44 and 2603:5:2274::2c.
Mail Servers
The MX records for isucu.org point to two mail servers: mx.usa.net and mx.ct.mbox.net.
isucu.org has the same mail server arrangement as a number of other domains, for example pc-fcu.org, booksbythebushel.com, bensonbotsford.com and two more.
isucu.org shares at least some of its mail servers with other domains — for example texfed.com, fidelitybankshares.com, billdelord.com and two more.
mx.usa.net resolves to 165.212.65.113; mx.ct.mbox.net resolves to the same IP address, 165.212.65.113.
Both mx.usa.net and mx.ct.mbox.net resolve to 165.212.65.113 IP addresses each.