z.ac - robtex.com
z.ac
| DNSSEC | β οΈ Not signed | ||||||
| A | 3.139.159.151πΊπΈ Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| PTR | ec2-3-139-159-151.us-east-2.compute.amazonaws.com | ||||||
| NS | l1.ns.divido.org.z.ac β | ||||||
| A | 3.139.159.151πΊπΈ Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| PTR | ec2-3-139-159-151.us-east-2.compute.amazonaws.com | ||||||
| NS | l1.ns.divido.org | ||||||
| A | 91.208.95.134π¬π§ NJIIX-191.208.95.0/24 Proxy by NJIIX.NET | ||||||
| PTR | srvc134.cdns.net | ||||||
| NS | l2.ns.divido.org | ||||||
| A | 2001:470:1f07:d0b::134πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| A | 91.208.95.134π¬π§ NJIIX-191.208.95.0/24 Proxy by NJIIX.NET | ||||||
| PTR | srvc134.cdns.net | ||||||
| TXT | 26e2cd39db437b9d550a5ddfc846fcd327471ed6 | ||||||
| SOA | l1.ns.divido.org.z.acadmin@divido.org.z.ac 2013-10-10 #24 | ||||||
ac
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.nic.ac β | ||||||
| NS | a2.nic.ac | ||||||
| NS | b0.nic.ac | ||||||
| NS | c0.nic.ac | ||||||
| SOA | a0.nic.achostmaster@donuts.email serial=1786608664 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
βNSl1.ns.divido.org2026-08-10 β 2026-08-13 Β· 2 obs
β 2026-08-13 09:14:42
βNSl1.ns.divido.org.z.ac2026-08-10 β 2026-08-13 Β· 2 obs
β 2026-08-13 09:14:42
βNSl2.ns.divido.org2026-08-10 β 2026-08-13 Β· 2 obs
β 2026-08-13 09:14:42
βA3.139.159.1512026-08-10 β 2026-08-13 Β· 2 obs
β 2026-08-13 09:14:42
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | b0.nic.ac, a0.nic.ac, a2.nic.ac, c0.nic.ac | 8 records |
| z.ac | l2.ns.divido.org, l1.ns.divido.org | - |
β Authoritative Response
Server:91.208.95.134
NS records: l2.ns.divido.org, l1.ns.divido.org
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for z.ac (unsigned zone)
β±οΈ Timing
Total: 452ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.139.159.151 |
| NS | 2 | l1.ns.divido.org, l2.ns.divido.org |
| TXT | 1 | 26e2cd39db437b9d550a5ddfc846fcd327471ed6 |
| SOA | 1 | l1.ns.divido.org.z.ac admin.divido.org.z |
π Glue Records Collected
Total: 8
In-bailiwick: 8 (c0.nic.ac, b0.nic.ac, a2.nic.ac...)
Analysis
IP Addresses
z.ac directs to one IP number, which is 3.139.159.151.
Among the host names that share IP numbers with z.ac are org.mf.ac, org.bv.io, ns.divido.org.ns.ac and two others.
Name Servers
The authoritative name servers for z.ac are l1.ns.divido.org, l2.ns.divido.org and l1.ns.divido.org.z.ac β three in total.
z.ac has at least partial name server overlap with other domains, such as 20.io, ed.ac, px.ac and two others.
l1.ns.divido.org.20.io, l1.ns.divido.org.ed.ac and l1.ns.divido.org.px.ac β plus 4 other name servers β are commonly paired with these name servers.
Hosts with two IP numbers each:
l2.ns.divido.org directs traffic to 91.208.95.134 and 2001:470:1f07:d0b::134.
Hosts that resolve to one IP address:
l1.ns.divido.org has the IP address 91.208.95.134.
l1.ns.divido.org.z.ac has the IP address 3.139.159.151.
Both l2.ns.divido.org and l1.ns.divido.org resolve to 91.208.95.134 IP addresses each.