vtlibraries.com - robtex.com
vtlibraries.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.82.230.17🇺🇸 VA-TECH-AS198.82.0.0/16 Virginia Polytechnic Institute and State Univ. | ||||||
| PTR | traefik-redirect-pri.lib.vt.edu | ||||||
| NS | ns1.vtlibraries.com ⭐ | ||||||
| A | 2607:b400:a:8a80:1:f001:d3c4:8426🇺🇸 VA-TECH-AS2607:b400::/40 MARIA_Virginia_Tech | ||||||
| PTR | ns1.vtlibraries.lib.ipv6.vt.edu | ||||||
| A | 198.82.170.10🇺🇸 VA-TECH-AS198.82.0.0/16 Virginia Polytechnic Institute and State Univ. | ||||||
| PTR | ns1.vtlibraries.lib.vt.edu | ||||||
| NS | ns2.vtlibraries.com | ||||||
| A | 198.82.230.58🇺🇸 VA-TECH-AS198.82.0.0/16 Virginia Polytechnic Institute and State Univ. | ||||||
| PTR | ns2.vtlibraries.lib.vt.edu | ||||||
| NS | ns3.vtlibraries.com | ||||||
| A | 2600:1f14:32c7:cabc:17a2:349b:12a8:126a🇺🇸 Amazon2600:1f14::/34 EC2 PDX Prefix | ||||||
| MX | mail.vtlibraries.com ⭐ | ||||||
| A | 198.82.230.25🇺🇸 VA-TECH-AS198.82.0.0/16 Virginia Polytechnic Institute and State Univ. | ||||||
| PTR | memalpha.lib.vt.edu | ||||||
| TXT | v=spf1 mx include:sendgrid.net -all | ||||||
| SOA | ns1.vtlibraries.comsoumikgh@vt.edu 2026-04-08 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776130282 | ||||||
Previously MX for
vtlibraries.com |
Subdomains
Same first word
vtlibraries.org |
vtlibraries.net |
vtlibraries.com |
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns.site5.com2016-12-18 → 2016-12-18 · 3 obs
○ 2017-10-24 00:02:06
○ 2026-04-14 01:36:02
○NSdns2.site5.com2016-12-18 → 2016-12-18 · 3 obs
○ 2017-10-24 00:02:06
○ 2026-04-14 01:36:02
●NSns1.vtlibraries.com2017-10-24 → 2026-04-14 · 3 obs
● 2017-10-24 00:02:06
● 2026-04-14 01:36:02
●NSns2.vtlibraries.com2026-03-11 → 2026-04-14 · 3 obs
● 2026-03-11 07:24:08
● 2026-04-14 01:36:02
●NSns3.vtlibraries.com2017-10-24 → 2026-04-14 · 3 obs
● 2017-10-24 00:02:06
● 2026-04-14 01:36:02
●MXmail.vtlibraries.com2026-03-11 → 2026-04-14 · 3 obs
● 2026-03-11 07:24:08
● 2026-04-14 01:36:02
○MXvtlibraries.com2016-12-18 → 2016-12-18 · 3 obs
○ 2017-10-24 00:02:06
○ 2026-04-14 01:36:02
○A128.173.124.1212017-10-24 → 2017-10-24 · 4 obs
● 2017-10-24 00:02:06
○ 2026-03-11 07:24:08
○ 2026-04-14 01:36:02
○A129.121.3.1782016-12-18 → 2016-12-18 · 3 obs
○ 2017-10-24 00:02:06
○ 2026-04-14 01:36:02
●A198.82.230.172026-03-11 → 2026-04-14 · 3 obs
● 2026-03-11 07:24:08
● 2026-04-14 01:36:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| vtlibraries.com | ns3.vtlibraries.com, ns1.vtlibraries.com, ns2.vtlibraries.com | 4 records |
✅ Authoritative Response
Server:2600:1f14:32c7:cabc:17a2:349b:12a8:126a
NS records: ns3.vtlibraries.com, ns1.vtlibraries.com, ns2.vtlibraries.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.82.230.17 |
| NS | 3 | ns2.vtlibraries.com, ns1.vtlibraries.com... |
| MX | 1 | mail.vtlibraries.com (pri: 0) |
| TXT | 1 | v=spf1 mx include:sendgrid.net -all |
| SOA | 1 | ns1.vtlibraries.com soumikgh.vt.edu |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns3.vtlibraries.com, ns1.vtlibraries.com, ns1.vtlibraries.com...)
Analysis
Hierarchy
vtlibraries.com is the parent of mail.vtlibraries.com, ns2.vtlibraries.com, ns1.vtlibraries.com, ns3.vtlibraries.com and prod.vtlibraries.com.
IP Addresses
vtlibraries.com resolves to a single IP address: 198.82.230.17.
Other host names such as theses.org, dissertations.org and traefik-redirect-pri.lib.vt.edu share IP numbers with vtlibraries.com.
Name Servers
vtlibraries.com is delegated to three name servers: ns1.vtlibraries.com, ns2.vtlibraries.com and ns3.vtlibraries.com.
vtlibraries.com at least partially shares name servers with other domains, including dissertations.org, vtlibraries.org, upliftingappalachia.org, lordbyron.org and foodtimeline.org.
Host names with two IP numbers:
ns1.vtlibraries.com points to 2607:b400:a:8a80:1:f001:d3c4:8426 and 198.82.170.10.
Host names with one IP number:
ns2.vtlibraries.com points to 198.82.230.58.
ns3.vtlibraries.com points to 2600:1f14:32c7:cabc:17a2:349b:12a8:126a.
Mail Servers
vtlibraries.com is handled by a single mail server, mail.vtlibraries.com.
mail.vtlibraries.com points to a single IP: 198.82.230.25.