centrexlabs.com - robtex.com
centrexlabs.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.labcorp.com ⭐ | ||||||
| A | 162.134.164.164🇺🇸 AS53768162.134.160.0/20 231 Maple Avenue Burlington NC 27215 United States | ||||||
| PTR | dns3.labcorp.com | ||||||
| NS | dns4.labcorp.com | ||||||
| A | 162.134.132.77🇺🇸 AS18994162.134.132.0/24 231 Maple Avenue Burlington NC 27215 United States | ||||||
| PTR | dns4.labcorp.com | ||||||
| TXT | lucid-validate-irXhVNxTSgXiy5xKjpza | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | dns3.labcorp.cominternetdomainadmin@labcorp.com serial=65 | ||||||
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=1774678817 | ||||||
Same first word
centrexlabs.com |
DNS History
9 records (2 active, 7 former)
○NSdns1.labcorp.com2016-04-19 → 2017-08-12 · 5 obs
● 2016-04-19 22:40:34
● 2017-08-12 11:41:00
○ 2026-03-26 02:39:24
○ 2026-03-28 06:43:24
○NSdns2.labcorp.com2016-04-19 → 2017-08-12 · 5 obs
● 2016-04-19 22:40:34
● 2017-08-12 11:41:00
○ 2026-03-26 02:39:24
○ 2026-03-28 06:43:24
●NSdns3.labcorp.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 02:39:24
● 2026-03-28 06:43:24
●NSdns4.labcorp.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 02:39:24
● 2026-03-28 06:43:24
○NSns19.customer.level3.net2015-05-07 → 2016-01-05 · 4 obs
● 2016-01-05 13:02:02
○ 2016-04-19 22:40:34
○ 2026-03-28 06:43:24
○NSns24.customer.level3.net2015-05-07 → 2016-01-05 · 4 obs
● 2016-01-05 13:02:02
○ 2016-04-19 22:40:34
○ 2026-03-28 06:43:24
○NSns9.customer.level3.net2015-05-07 → 2016-01-05 · 4 obs
● 2016-01-05 13:02:02
○ 2016-04-19 22:40:34
○ 2026-03-28 06:43:24
○MXmail.centrexlabs.com2015-05-07 → 2017-08-12 · 4 obs
● 2017-08-12 11:41:00
○ 2026-03-26 02:39:24
○ 2026-03-28 06:43:24
○A64.9.44.902015-05-07 → 2017-08-12 · 4 obs
● 2017-08-12 11:41:00
○ 2026-03-26 02:39:24
○ 2026-03-28 06:43:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| centrexlabs.com | dns3.labcorp.com, dns4.labcorp.com | 2 records |
✅ Authoritative Response
Server:162.134.132.77
NS records: dns3.labcorp.com, dns4.labcorp.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centrexlabs.com (unsigned zone)
⏱️ Timing
Total: 203ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.labcorp.com, dns3.labcorp.com |
| TXT | 2 | v=spf1 -all, lucid-validate-irXhVNxTSgXiy5xKjpza |
| SOA | 1 | dns3.labcorp.com internetdomainadmin.lab |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns3.labcorp.com, dns4.labcorp.com)
Analysis
Name Servers
centrexlabs.com's delegation uses two name servers, dns3.labcorp.com and dns4.labcorp.com.
centrexlabs.com shares the same name server setup as other domains, for example fetaldnatesting.net, ockham-portal.com, visibilittest.com, chromosomal-labs.com and labcorgenetic.io.
centrexlabs.com at least partially shares name servers with other domains, for example featurestudy.com, labcorp.com.au and diabetesprediction.com.
Host names with a single IP:
dns3.labcorp.com points to 162.134.164.164.
dns4.labcorp.com points to 162.134.132.77.