`bioskillstraining.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-qi3pqRUc9GuUIf0hPbaz`
TXT	`v=spf1 -all`
SOA	`dns3.labcorp.com`internetdomainadmin@labcorp.com 2023-12-13 #35

`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.net`nstld@verisign-grs.com serial=1774693327

Same first word

bioskillstraining.com

DNS History

8 records (2 active, 6 former)

●NSdns3.labcorp.com2026-03-26 → 2026-03-28 · 3 obs

○ 2018-08-06 11:47:50
● 2026-03-26 00:15:06
● 2026-03-28 10:27:58

●NSdns4.labcorp.com2026-03-26 → 2026-03-28 · 3 obs

○ 2018-08-06 11:47:50
● 2026-03-26 00:15:06
● 2026-03-28 10:27:58

○NSns53.domaincontrol.com2016-04-18 → 2018-08-06 · 4 obs

● 2016-04-18 09:35:20
● 2018-08-06 11:47:50
○ 2026-03-26 00:15:06
○ 2026-03-28 10:27:58

○NSns54.domaincontrol.com2016-04-18 → 2018-08-06 · 4 obs

● 2016-04-18 09:35:20
● 2018-08-06 11:47:50
○ 2026-03-26 00:15:06
○ 2026-03-28 10:27:58

○MXmailstore1.secureserver.net2016-04-18 → 2018-08-06 · 4 obs

● 2016-04-18 09:35:20
● 2018-08-06 11:47:50
○ 2026-03-26 00:15:06
○ 2026-03-28 10:27:58

○MXsmtp.secureserver.net2016-04-18 → 2018-08-06 · 4 obs

● 2016-04-18 09:35:20
● 2018-08-06 11:47:50
○ 2026-03-26 00:15:06
○ 2026-03-28 10:27:58

○A184.168.221.32016-04-18 → 2018-08-06 · 5 obs

○ 2015-10-26 00:39:06
● 2016-04-18 09:35:20
● 2018-08-06 11:47:50
○ 2026-03-26 00:15:06
○ 2026-03-28 10:27:58

○A209.222.14.32015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 06:38:22
○ 2015-10-26 00:39:06
○ 2026-03-28 10:27:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
bioskillstraining.com	dns3.labcorp.com, dns4.labcorp.com	2 records

✅ Authoritative Response

Server:162.134.164.164

NS records: dns3.labcorp.com, dns4.labcorp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bioskillstraining.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns4.labcorp.com, dns3.labcorp.com`
TXT	2	`v=spf1 -all, lucid-validate-qi3pqRUc9GuUIf0hPbaz`
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

bioskillstraining.com is delegated to two name servers dns3.labcorp.com and dns4.labcorp.com.

bioskillstraining.com shares the same name server setup as other domains, for instance covanceclinicaltrials.com, labcorp-genetics.(0x787878), trofileassay.org, labcorp.org and kobahc.lv.

Host names with one IP number:

dns3.labcorp.com points to 162.134.164.164

dns4.labcorp.com points to 162.134.132.77

bioskillstraining.com - robtex.com