dr.ac - robtex.com
dr.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.dr.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.dr.acadmin@divido.org.dr.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=1778336364 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
βNSl1.ns.divido.org2026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:24
βNSl1.ns.divido.org.dr.ac2026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:24
βNSl2.ns.divido.org2026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:24
βA3.139.159.1512026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:24
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac | 8 records |
| dr.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 dr.ac (unsigned zone)
β±οΈ Timing
Total: 492ms | 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.dr.ac admin.divido.org. |
π Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)
Analysis
Hierarchy
dr.ac is a parent of www.dr.ac and org.dr.ac.
IP Addresses
dr.ac points to a single IP: 3.139.159.151.
Other host names, for instance by.sh, l1.ns.divido.org.qu.ac, org.12.io, ns.divido.org.10.io and www.v.ac share IP numbers with dr.ac.
Name Servers
dr.ac is delegated to three name servers: l1.ns.divido.org, l2.ns.divido.org and l1.ns.divido.org.dr.ac.
dr.ac partially shares name servers with other domains; examples include en.ac, xx.ac, cu.ac, bi.sh and qt.ac.
These name servers are commonly used alongside l1.ns.divido.org.en.ac, l1.ns.divido.org.xx.ac, l1.ns.divido.org.cu.ac, l1.ns.divido.org.bi.sh, l1.ns.divido.org.qt.ac, l1.ns.divido.org.puppy.io, l1.ns.divido.org.pg.ac, l1.ns.divido.org.pn.sh and l1.ns.divido.org.h.tm.
Hostnames with two IPs:
Host l2.ns.divido.org points to 2001:470:1f07:d0b::134 and 91.208.95.134.
Hostnames with a single IP:
Host l1.ns.divido.org points to 91.208.95.134.
Host l1.ns.divido.org.dr.ac points to 3.139.159.151.
Hostnames pointing to 91.208.95.134: l2.ns.divido.org and l1.ns.divido.org.