utb.edu - robtex.com
utb.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 129.113.37.144🇺🇸 UTRGV129.113.0.0/17 The University of Texas Rio Grande Valley | ||||||
| PTR | utrgv.edu | ||||||
| PTR | www.utrgv.edu | ||||||
| NS | ns1.utrgv.edu ⭐ | ||||||
| A | 129.113.38.71🇺🇸 UTRGV129.113.0.0/17 The University of Texas Rio Grande Valley | ||||||
| NS | ns2.utrgv.edu | ||||||
| A | 129.113.38.72🇺🇸 UTRGV129.113.0.0/17 The University of Texas Rio Grande Valley | ||||||
| PTR | ns2.utrgv.edu | ||||||
| NS | ns3.utrgv.edu | ||||||
| A | 207.64.148.31🇺🇸 AS6922207.64.148.0/24 | ||||||
| PTR | ns3.utrgv.edu | ||||||
| NS | ns4.utrgv.edu | ||||||
| A | 207.64.148.32🇺🇸 AS6922207.64.148.0/24 | ||||||
| PTR | ns4.utrgv.edu | ||||||
| SOA | ns1.utrgv.edusyshelp@utrgv.edu 2017-10-07 #31 | ||||||
edu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.edu-servers.net ⭐ | ||||||
| NS | b.edu-servers.net | ||||||
| NS | c.edu-servers.net | ||||||
| NS | d.edu-servers.net | ||||||
| NS | e.edu-servers.net | ||||||
| NS | f.edu-servers.net | ||||||
| NS | g.edu-servers.net | ||||||
| NS | h.edu-servers.net | ||||||
| NS | i.edu-servers.net | ||||||
| NS | j.edu-servers.net | ||||||
| NS | k.edu-servers.net | ||||||
| NS | l.edu-servers.net | ||||||
| NS | m.edu-servers.net | ||||||
| SOA | a.edu-servers.netnstld@verisign-grs.com serial=1772435516 | ||||||
rank #2225 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #476,423
Subdomains
rp7420.utb.edu |
www.utb.edu |
ns3.utb.edu |
rp7420c.utb.edu |
rp8420c.utb.edu |
edge.utb.edu |
ns1.utb.edu |
extrapolation.utb.edu |
webmail.utb.edu |
blue.utb.edu |
rp8420.utb.edu |
helpdesk.utb.edu |
ns2.utb.edu |
webmail2.utb.edu |
wtce.utb.edu |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSns1.utb.edu2015-08-21 → 2017-09-07 · 4 obs
● 2017-09-07 04:07:58
○ 2026-02-14 16:12:42
○ 2026-03-14 00:16:38
●NSns1.utrgv.edu2026-02-14 → 2026-03-14 · 3 obs
● 2026-02-14 16:12:42
● 2026-03-14 00:16:38
○NSns2.utb.edu2015-08-21 → 2017-09-07 · 4 obs
● 2017-09-07 04:07:58
○ 2026-02-14 16:12:42
○ 2026-03-14 00:16:38
●NSns2.utrgv.edu2026-02-14 → 2026-03-14 · 3 obs
● 2026-02-14 16:12:42
● 2026-03-14 00:16:38
○NSns3.utb.edu2015-08-21 → 2017-09-07 · 4 obs
● 2017-09-07 04:07:58
○ 2026-02-14 16:12:42
○ 2026-03-14 00:16:38
●NSns3.utrgv.edu2026-02-14 → 2026-03-14 · 3 obs
● 2026-02-14 16:12:42
● 2026-03-14 00:16:38
○NSns4.utb.edu2015-08-21 → 2017-09-07 · 4 obs
● 2017-09-07 04:07:58
○ 2026-02-14 16:12:42
○ 2026-03-14 00:16:38
●NSns4.utrgv.edu2026-02-14 → 2026-03-14 · 3 obs
● 2026-02-14 16:12:42
● 2026-03-14 00:16:38
○MXutb-edu.mail.protection.outlook.com2015-08-21 → 2026-02-16 · 4 obs
● 2026-02-16 20:51:58
○ 2026-02-18 20:52:06
○ 2026-03-14 00:16:38
●A129.113.37.1442017-09-02 → 2026-03-14 · 3 obs
● 2017-09-02 08:09:24
● 2026-03-14 00:16:38
○A129.113.37.532016-06-03 → 2016-12-24 · 5 obs
● 2016-06-03 06:24:14
● 2016-12-24 13:11:24
○ 2017-09-02 08:09:24
○ 2026-03-14 00:16:38
○A23.102.157.2152015-08-21 → 2016-05-08 · 4 obs
● 2016-05-08 01:14:36
○ 2016-06-03 06:24:14
○ 2026-03-14 00:16:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| utb.edu | ns1.utrgv.edu, ns2.utrgv.edu, ns3.utrgv.edu, ns4.utrgv.edu | 4 records |
✅ Authoritative Response
Server: 207.64.148.31
NS records: ns1.utrgv.edu, ns2.utrgv.edu, ns3.utrgv.edu, ns4.utrgv.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for utb.edu (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.113.37.144 |
| NS | 4 | ns4.utrgv.edu, ns2.utrgv.edu... |
| SOA | 1 | ns1.utrgv.edu syshelp.utrgv.edu |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.utrgv.edu, ns2.utrgv.edu, ns3.utrgv.edu...)
Analysis
Hierarchy
utb.edu is the parent of rp7420.utb.edu, www.utb.edu, ns3.utb.edu, rp7420c.utb.edu, rp8420c.utb.edu and several other host names.
IP Addresses
utb.edu points to a single IP: 129.113.37.144.
Other host names, for instance utpa.edu, utrgv.edu and www.utrgv.edu share IP numbers with utb.edu.
Name Servers
utb.edu is delegated to four name servers: ns1.utrgv.edu, ns2.utrgv.edu, ns3.utrgv.edu and ns4.utrgv.edu.
utb.edu at least partially shares its name servers with other domains, for instance 113.129.in-addr.arpa, utpanam.edu, 29.207.67.in-addr.arpa, utpa.edu and utrgv.edu.
these name servers are commonly used with the name servers ns1.utb.edu, ns2.utb.edu, ns4.utb.edu, ns1.utpa.edu, ns2.utpa.edu and ns3.utpa.edu.
Host names with one IP number: ns1.utrgv.edu points to 129.113.38.71; ns2.utrgv.edu points to 129.113.38.72; ns3.utrgv.edu points to 207.64.148.31; ns4.utrgv.edu points to 207.64.148.32.