biosphere2.org - robtex.com
biosphere2.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2620:12a:8000::4🇺🇸 Fastly2620:12a:8000::/44 Pantheon | ||||||
| A | 2620:12a:8001::4🇺🇸 Fastly2620:12a:8000::/44 Pantheon | ||||||
| A | 23.185.0.4🇺🇸 Fastly23.185.0.0/24 Pantheon | ||||||
| NS | ns1.arizona.edu ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| TXT | google-site-verification=4N_rTsQHaB3sXYCNwpayuERWb0Ml7F3JskH-p7_CLSA | ||||||
| SOA | ns1.arizona.eduhostmaster@arizona.edu 2021-11-16 #47 | ||||||
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=1778826519 | ||||||
rank #10713 in the tld
📈 Tranco rank: #549,620
Same first word
biosphere2.org |
DNS History
15 records (7 active, 8 former)
○NSns01.domaincontrol.com2015-08-15 → 2016-03-13 · 5 obs
○ 2015-12-13 08:25:24
● 2016-03-13 11:48:58
○ 2016-07-14 04:22:44
○ 2026-05-15 06:35:44
○NSns02.domaincontrol.com2015-08-15 → 2016-03-13 · 4 obs
● 2016-03-13 11:48:58
○ 2016-07-14 04:22:44
○ 2026-05-15 06:35:44
●NSns1.arizona.edu2026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
●NSns2.arizona.edu2026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
●NSns3.arizona.edu2026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
●NSns4.arizona.edu2026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
○NSns41.domaincontrol.com2015-12-13 → 2017-03-30 · 5 obs
● 2015-12-13 08:25:24
● 2017-03-30 11:27:36
○ 2026-02-18 01:59:16
○ 2026-05-15 06:35:44
○NSns42.domaincontrol.com2015-12-13 → 2017-03-30 · 5 obs
● 2015-12-13 08:25:24
● 2017-03-30 11:27:36
○ 2026-02-18 01:59:16
○ 2026-05-15 06:35:44
○MXmailstore1.secureserver.net2015-08-15 → 2017-03-30 · 4 obs
● 2017-03-30 11:27:36
○ 2026-02-18 01:59:16
○ 2026-05-15 06:35:44
○MXsmtp.secureserver.net2015-08-15 → 2017-03-30 · 4 obs
● 2017-03-30 11:27:36
○ 2026-02-18 01:59:16
○ 2026-05-15 06:35:44
○A128.196.133.282015-12-13 → 2017-03-30 · 5 obs
● 2015-12-13 08:25:24
● 2017-03-30 11:27:36
○ 2026-02-18 01:59:16
○ 2026-05-15 06:35:44
●A23.185.0.42026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
●A2620:12a:8000::42026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
●A2620:12a:8001::42026-02-18 → 2026-05-15 · 3 obs
● 2026-02-18 01:59:16
● 2026-05-15 06:35:44
○A50.63.202.132015-08-15 → 2015-08-15 · 3 obs
○ 2015-12-13 08:25:24
○ 2026-05-15 06:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| biosphere2.org | ns2.arizona.edu, ns4.arizona.edu, ns1.arizona.edu, ns3.arizona.edu | - |
✅ Authoritative Response
Server:52.8.207.137
NS records: ns2.arizona.edu, ns4.arizona.edu, ns1.arizona.edu, ns3.arizona.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biosphere2.org (unsigned zone)
⏱️ Timing
Total: 4858ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.185.0.4 |
| AAAA | 2 | 2620:12a:8000::4, 2620:12a:8001::4 |
| NS | 4 | ns2.arizona.edu, ns4.arizona.edu... |
| TXT | 1 | google-site-verification=4N_rTsQHaB3sXYC |
| SOA | 1 | ns1.arizona.edu hostmaster.arizona.edu |
Analysis
IP Addresses
biosphere2.org points to three IPs: 2620:12a:8000::4, 2620:12a:8001::4 and 23.185.0.4.
Other host names such as icasanjose.org, nightworkslighting.com, www.oakha.org, throughthefold.com and weaveinc.org share IP numbers with biosphere2.org.
Name Servers
biosphere2.org is delegated to four name servers: ns1.arizona.edu, ns2.arizona.edu, ns3.arizona.edu and ns4.arizona.edu.
At least part of the name servers for biosphere2.org are shared with other domains, for instance ltc.arizona.edu, wowlit.com, romanoskilab.com, 253.135.150.in-addr.arpa and 102.196.128.in-addr.arpa.
these name servers are often used together with the name servers ns2.engr.arizona.edu, base.sao.arizona.edu, flwo48.sao.arizona.edu, flwo60.sao.arizona.edu, ns.opus1.com, optima.cs.arizona.edu, dns.geo.arizona.edu and ns6.opus1.com.
Host names with one IP: 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.