microbe.us - robtex.com
microbe.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.arizona.edu ⚠️ Not in zone NS records | ||||||
| A | 35.165.226.190🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix | ||||||
| PTR | ec2-35-165-226-190.us-west-2.compute.amazonaws.com | ||||||
| NS | ns2.arizona.edu ⚠️ Not in zone NS records | ||||||
| A | 35.167.120.235🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix | ||||||
| PTR | ec2-35-167-120-235.us-west-2.compute.amazonaws.com | ||||||
| NS | ns3.arizona.edu ⚠️ Not in zone NS records | ||||||
| A | 13.57.148.115🇺🇸 Amazon13.57.0.0/16 EC2 SFO prefix | ||||||
| PTR | ec2-13-57-148-115.us-west-1.compute.amazonaws.com | ||||||
| NS | ns4.arizona.edu ⚠️ Not in zone NS records | ||||||
| A | 52.8.207.137🇺🇸 Amazon52.8.0.0/16 EC2 SFO Prefix | ||||||
| PTR | ec2-52-8-207-137.us-west-1.compute.amazonaws.com | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1773555288 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.arizona.edu2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:12:22
●NSns2.arizona.edu2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:12:22
●NSns3.arizona.edu2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:12:22
●NSns4.arizona.edu2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:12:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| microbe.us | ns4.arizona.edu, ns2.arizona.edu, ns1.arizona.edu, ns3.arizona.edu | - |
✅ Authoritative Response
Server:13.57.148.115
NS records: ns4.arizona.edu, ns2.arizona.edu, ns1.arizona.edu, ns3.arizona.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for microbe.us (unsigned zone)
⏱️ Timing
Total: 3649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
microbe.us delegates to four name servers: ns1.arizona.edu, ns2.arizona.edu, ns3.arizona.edu and ns4.arizona.edu.
microbe.us at least partially shares name servers with other domains, including health.arizona.edu, 164.75.208.in-addr.arpa, athletics.arizona.edu, bio5.org and azpm.org.
These name servers are commonly used with ns2.engr.arizona.edu, ns.opus1.com, base.sao.arizona.edu, flwo48.sao.arizona.edu, flwo60.sao.arizona.edu and ns6.opus1.com.
Host names with one IP number:
ns1.arizona.edu points to 35.165.226.190; ns2.arizona.edu points to 35.167.120.235; ns3.arizona.edu points to 13.57.148.115; ns4.arizona.edu points to 52.8.207.137.