13u.org - robtex.com
13u.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ns2.namepros-dns.com | ||||||
| NS | ns1.namepros-dns.com ⭐ | ||||||
| A | 54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix | ||||||
| PTR | ns1.namepros-dns.com | ||||||
| NS | ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is | ||||||
| A | 3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ns2.namepros-dns.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namepros-dns.comdns@namepros.com serial=14638937 | ||||||
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=1784715699 | ||||||
Subdomains
ns1.13u.org |
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSns1.maff.com2016-04-22 → 2017-01-10 · 4 obs
● 2017-01-10 22:23:16
○ 2018-07-22 21:05:52
○ 2026-07-22 10:36:26
●NSns1.namepros-dns.com2026-05-16 → 2026-07-22 · 3 obs
● 2026-05-16 22:09:14
● 2026-07-22 10:36:26
●NSns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is2026-05-16 → 2026-07-22 · 3 obs
● 2026-05-16 22:09:14
● 2026-07-22 10:36:26
○NSns2.maff.com2016-04-22 → 2016-04-22 · 3 obs
○ 2017-01-10 22:23:16
○ 2026-07-22 10:36:26
○A137.59.17.862017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 22:23:16
○ 2018-07-22 21:05:52
○ 2026-07-22 10:36:26
○A174.139.6.2062016-04-22 → 2016-04-22 · 3 obs
○ 2017-01-10 22:23:16
○ 2026-07-22 10:36:26
●A3.233.30.1912026-05-16 → 2026-07-22 · 5 obs
● 2026-05-16 22:09:14
○ 2026-06-17 06:45:34
● 2026-06-22 23:54:16
● 2026-07-22 10:36:26
○CNAMEadmin.feng80.com2016-04-22 → 2016-04-22 · 3 obs
○ 2017-01-10 22:23:16
○ 2026-07-22 10:36:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 13u.org | ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is, ns1.namepros-dns.com | - |
✅ Authoritative Response
Server:54.237.57.21
NS records: ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is, ns1.namepros-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 13u.org (unsigned zone)
⏱️ Timing
Total: 2169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.233.30.191 |
| NS | 2 | ns1.namepros-dns.com, ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.namepros-dns.com dns.namepros.com |
Analysis
Hierarchy
ns1.13u.org is a subdomain of 13u.org.
IP Addresses
13u.org has exactly one IP address — 3.233.30.191.
justhits.com, mx.nchk.com, holavoip.com plus two other host names have IP numbers in common with 13u.org.
Name Servers
13u.org is served by two delegated name servers, ns1.namepros-dns.com and ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is.
The name server configuration of 13u.org is shared with other domains, for instance assurinse.com, condosublet.com, gorgespace.com and two others.
The name servers of 13u.org overlap at least partially with those of other domains — among them electriclife.com, deadcar.com, 899558.com and two more.
These name servers commonly appear in delegations together with ns2.gritbrokerage.ns.namepros-dns.is, ns2.f5f895r3r6zmmpsm2h92.ns.namepros-dns.is, ns2.abdulbasit.ns.namepros-dns.is and 7 other.
Both ns1.namepros-dns.com and ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is have a single IP address each — ns1.namepros-dns.com resolves to 54.237.57.21 while ns2.j23mfbrd3jpjm62pdf6z.ns.namepros-dns.is resolves to 3.233.30.191.