buros.org - robtex.com
buros.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.209.3.229🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-209-3-229.compute-1.amazonaws.com | ||||||
| A | 34.202.185.231🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| A | 100.24.204.238🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix | ||||||
| NS | is-euler.unl.edu ⭐ | ||||||
| A | 129.93.1.212🇺🇸 NU-AS129.93.0.0/16 NU 129.93.0.0/16 | ||||||
| PTR | is-euler.unl.edu | ||||||
| NS | cantor.dfw.rackspace.its-sys.unl.edu ⚠️ Not in zone NS records | ||||||
| NS | is-sysapp1.unl.edu | ||||||
| A | 129.93.168.141🇺🇸 NU-AS129.93.0.0/16 NU 129.93.0.0/16 | ||||||
| PTR | is-sysapp1.unl.edu | ||||||
| MX | mxa-00246402.gslb.pphosted.com ⭐ | ||||||
| A | 148.163.147.197🇺🇸 Proofpoint148.163.147.0/24 Inc. | ||||||
| PTR | mx0a-00246402.pphosted.com | ||||||
| MX | mxb-00246402.gslb.pphosted.com ⭐ | ||||||
| A | 148.163.147.197🇺🇸 Proofpoint148.163.147.0/24 Inc. | ||||||
| PTR | mx0a-00246402.pphosted.com | ||||||
| TXT | docusign=9cecb2ed-05cc-439c-b677-ccbfc646127c | ||||||
| TXT | MS=ms54746521 | ||||||
| TXT | v=spf1 ip4:148.163.143.147 ip4:148.163.147.197 include:spf.protection.outlook... | ||||||
| SOA | is-euler.unl.eduroot@unl.edu 2026-02-16 #1 | ||||||
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=1771291736 | ||||||
Same first word
Similar names
DNS History
17 records (8 active, 9 former)
●NScantor.dfw.rackspace.its-sys.unl.edu2017-06-29 → 2026-02-26 · 3 obs
● 2017-06-29 08:29:30
● 2026-02-26 17:07:14
●NSis-euler.unl.edu2017-06-29 → 2026-02-26 · 8 obs
● 2017-06-29 08:29:30
● 2017-07-28 03:42:32
○ 2017-08-07 07:03:32
● 2017-08-14 09:46:40
○ 2017-08-26 21:34:58
● 2017-10-10 20:04:30
● 2026-02-26 17:07:14
●NSis-sysapp1.unl.edu2017-06-29 → 2026-02-26 · 6 obs
● 2017-06-29 08:29:30
● 2017-08-07 07:03:32
○ 2017-08-14 09:46:40
● 2017-08-26 21:34:58
● 2026-02-26 17:07:14
○NSns07.domaincontrol.com2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○NSns08.domaincontrol.com2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○MXmailgate3.unl.edu2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○MXmailgate4.unl.edu2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○MXmailgate5.unl.edu2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○MXmailgate6.unl.edu2015-06-28 → 2016-12-23 · 4 obs
● 2016-12-23 22:28:26
○ 2017-06-29 08:29:30
○ 2026-02-26 17:07:14
○MXmxa-00246401.gslb.pphosted.com2017-06-29 → 2017-10-10 · 5 obs
● 2017-06-29 08:29:30
● 2017-10-10 20:04:30
○ 2026-02-26 17:07:10
○ 2026-02-26 17:07:14
●MXmxa-00246402.gslb.pphosted.com2026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 17:07:10
● 2026-02-26 17:07:14
○MXmxb-00246401.gslb.pphosted.com2017-06-29 → 2017-10-10 · 5 obs
● 2017-06-29 08:29:30
● 2017-10-10 20:04:30
○ 2026-02-26 17:07:10
○ 2026-02-26 17:07:14
●MXmxb-00246402.gslb.pphosted.com2026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 17:07:10
● 2026-02-26 17:07:14
●A100.24.204.2382026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 17:07:10
● 2026-02-26 17:07:14
○A23.253.248.82015-06-28 → 2017-10-10 · 4 obs
● 2017-10-10 20:04:30
○ 2026-02-26 17:07:10
○ 2026-02-26 17:07:14
●A3.209.3.2292026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 17:07:10
● 2026-02-26 17:07:14
●A34.202.185.2312026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 17:07:10
● 2026-02-26 17:07:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| buros.org | cantor.dfw.rackspace.its-sys.unl.edu, is-euler.unl.edu, is-sysapp1.unl.edu | - |
✅ Authoritative Response
Server: 129.93.1.212
NS records: cantor.dfw.rackspace.its-sys.unl.edu, is-euler.unl.edu, is-sysapp1.unl.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for buros.org (unsigned zone)
⏱️ Timing
Total: 433ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 34.202.185.231, 100.24.204.238... |
| NS | 2 | is-euler.unl.edu, is-sysapp1.unl.edu |
| MX | 2 | mxa-00246402.gslb.pphosted.com (pri: 10), mxb-00246402.gslb.pphosted.com (pri: 10) |
| TXT | 3 | docusign=9cecb2ed-05cc-439c-b677-ccbfc64, MS=ms54746521... |
| SOA | 1 | is-euler.unl.edu root.unl.edu |
AI analysis
Three IP numbers are pointed to by buros.org: 3.209.3.229, 34.202.185.231 and 100.24.204.238.
Other host names, for instance online.unl.edu, www.ncerme.org, sheldonartmuseum.org, sheldonartgallery.com and law.unl.edu share IP numbers with buros.org.
The delegation for buros.org is handled by three name servers: is-euler.unl.edu, is-sysapp1.unl.edu and cantor.dfw.rackspace.its-sys.unl.edu.
buros.org at least partially shares name servers with other domains, for instance sheldonartmuseum.org, sheldonartgallery.com, autosplit.its-sys.unl.edu, its-sys.unl.edu and sheldonartmuseum.com.
These name servers are commonly used alongside cantor.sheldonartgallery.com, is-euler.sheldonartgallery.com, is-sysapp1.sheldonartgallery.com and its-cantor.unl.edu.
Host names with one IP number: is-euler.unl.edu points to 129.93.1.212; is-sysapp1.unl.edu points to 129.93.168.141.
buros.org is handled by two mail servers: mxa-00246402.gslb.pphosted.com and mxb-00246402.gslb.pphosted.com.
buros.org uses the same mail server configuration as other domains, such as huskers.com, math.unl.edu, unlserve.unl.edu, enrollat.unomaha.edu and sheldonartmuseum.com.
Host names sharing a single IP:
mxa-00246402.gslb.pphosted.com points to 148.163.147.197
mxb-00246402.gslb.pphosted.com points to 148.163.147.197
Host names that point to 148.163.147.197: mxa-00246402.gslb.pphosted.com and mxb-00246402.gslb.pphosted.com