library20.com - robtex.com
library20.com
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=1774689722 | ||||||
rank #394318 in the tld
WOT: SAFE (95/100)
Subdomains
www.library20.com |
Same first word
library20.com |
DNS History
12 records (9 active, 3 former)
●NSns71.domaincontrol.com2015-05-18 → 2026-03-28 · 2 obs
● 2026-03-28 09:32:16
●NSns72.domaincontrol.com2015-05-18 → 2026-03-28 · 2 obs
● 2026-03-28 09:32:16
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
●MXaspmx.l.google.com2026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
○MXmailstore1.secureserver.net2015-05-18 → 2020-03-24 · 4 obs
● 2020-03-24 00:44:02
○ 2026-02-17 22:45:18
○ 2026-03-28 09:32:16
○MXsmtp.secureserver.net2015-05-18 → 2020-03-24 · 4 obs
● 2020-03-24 00:44:02
○ 2026-02-17 22:45:18
○ 2026-03-28 09:32:16
●A208.82.16.522026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
○A208.82.16.682015-05-18 → 2020-03-24 · 4 obs
● 2020-03-24 00:44:02
○ 2026-02-17 22:45:18
○ 2026-03-28 09:32:16
●A2620:46:2000:16::522026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 22:45:18
● 2026-03-28 09:32:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| library20.com | ns71.domaincontrol.com, ns72.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.46
NS records: ns71.domaincontrol.com, ns72.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for library20.com (unsigned zone)
⏱️ Timing
Total: 284ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.82.16.52 |
| AAAA | 1 | 2620:46:2000:16::52 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 ip4:208.82.16.0/22 ip4:8.6.19.94 , google-site-verification=zpbDlmcRyyAzgp- |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns71.domaincontrol.com, ns71.domaincontrol.com, ns72.domaincontrol.com...)
Analysis
Hierarchy
library20.com is the parent of www.library20.com.
IP Addresses
The entity library20.com points to two IP numbers: 2620:46:2000:16::52 and 208.82.16.52.
For instance, other host names cityofshamballa.net, ngpt.net, doodlekisses.com, miningindustryprofessionals.net and paryavaran.com share IP numbers with library20.com.
Name Servers
library20.com is delegated to two name servers: ns71.domaincontrol.com and ns72.domaincontrol.com.
library20.com uses the same name server setup as other domains such as forexmatrixs.com, ihsnursing.com, ecotech-energy-solutions.com, robodeliveryservice.com and auto-ya.com.
Host names with two IP numbers:
ns71.domaincontrol.com points to 2603:5:2194::2e and 97.74.105.46; ns72.domaincontrol.com points to 2603:5:2294::2e and 173.201.73.46.
Mail Servers
Five mail servers handle library20.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
library20.com shares mail servers with other domains at least partially; for instance ns500841.ns500841.ns500821.ns500795.ns500794.ns500794.ns500794.ns500821.ns500794.ns500794.ns500795.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, ns500765.ns500699.ns500734.ns500693.ns500734.ns500699.ns500734.ns500683.ns500612.ns500683.ns500612.ns500632.ns500612.ns500578.ns500110.dtrkdll.com, ns500742.ns500671.ns500742.ns500742.ns500742.ns500731.ns500742.ns500704.ns500688.ns500705.ns500671.ns500688.ns500678.ns500649.ns500649.ns500153.tenderladiesbz.com, ns500768.ns500758.ns500698.ns500698.ns500758.ns500698.ns500735.ns500735.ns500619.ns500698.ns500652.ns500576.trackreceptor.com and ns500671.ns500671.ns500754.ns500671.ns500731.ns500671.ns500688.ns500688.ns500291.ns500649.ns500649.ns500291.ns500131.lustychickser.com.
These mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4023:c03::1b and 142.251.2.27
alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27