corelab.com - dns.ninja

`corelab.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns1.corelab.com` ⭐
		A	12.45.169.149^{🇺🇸 AS1678212.45.169.0/24 Core Labratories Inc}
			PTR	`ns1.corelab.com`
NS	`ns2.corelab.com`
		A	104.214.55.19^{🇺🇸 Microsoft104.208.0.0/13 MICROSOFT}
			PTR	`ns2.corelab.com`
NS	`ns3.corelab.com`
		A	216.253.192.236^{🇺🇸 AS3549216.253.0.0/16}
NS	`ns4.corelab.com`
		A	20.123.137.69^{🇳🇱 Microsoft20.64.0.0/10}
MX	`mailgw1.corelab.com` ⭐
		A	20.153.212.13^{🇺🇸 AS806920.153.212.0/23}
			PTR	`mailgw1.corelab.com`
MX	`mailgw2.corelab.com` ⭐
		A	20.153.214.8^{🇺🇸 AS806920.153.214.0/24}
			PTR	`mailgw2.corelab.com`
MX	`mailgw3.corelab.com`⁽²⁰⁾
		A	20.33.72.22^{🇺🇸 AS806920.33.72.0/24}
			PTR	`mailgw3.corelab.com`
TXT	`v=spf1 include:_corelab1.corelab.com include:spf.protection.outlook.com inclu...`
TXT	`cisco-ci-domain-verification=1b36601888af9f6d4010ec2840cf82c9f7f9bdff0f190e2f...`
TXT	`fbdt985cry5mp0t57vvd73h5xrct4c71`
TXT	`apple-domain-verification=xGvFgGmeXJDlUp8q`
TXT	`v=easydus; cg=400982ff-b811-4056-8fb2-ccee85e43ddc`
TXT	`teamviewer-sso-verification=0915ac80615c4154bb62711a4287198c`
TXT	`vmware-cloud-verification-5a9ade53-cf17-4373-acce-d3440cde4361`
TXT	`securid-domain-verification=I4Ggb7rbu70g5B8`
TXT	`google-gws-recovery-domain-verification=67330576`
TXT	`google-site-verification=kfxiJmVRAnqRWdhPegw-I5tElEWEls5CnWP-JvdBLu0`
TXT	`nintex.66337410284331881949fa07`
SOA	`ns1.corelab.com`hostmaster@corelab.com 2018-01-01 #0

`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=1784004882

rank #395964 globally
rank #166582 in the tld
📈 Tranco rank: #119,222

Subdomains

datastage.corelab.com

om.corelab.com

core.corelab.com

ns1.corelab.com

mailgw2.corelab.com

clbowa.corelab.com

mx1.corelab.com

clb.corelab.com

exit2.corelab.com

ns4.corelab.com

rurapid.corelab.com

mailgw1.corelab.com

mail.corelab.com

ftp.corelab.com

mailgw3.corelab.com

data.corelab.com

mx4.corelab.com

sbs.corelab.com

mx3.corelab.com

mx2.corelab.com

ns3.corelab.com

analytics4.corelab.com

xfer.corelab.com

exit1.corelab.com

sps.corelab.com

ns2.corelab.com

vpn.corelab.com

video.corelab.com

www.corelab.com

liveq.corelab.com

rapidlink.corelab.com

omapi.corelab.com

av.corelab.com

Same first word

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DNS History

20 records (9 active, 11 former)

○NSdr-extdns.coredmz.com2016-04-22 → 2018-10-11 · 5 obs

○ 2016-04-20 22:21:52
● 2016-04-22 21:23:16
● 2018-10-11 06:00:50
○ 2019-08-19 07:32:38
○ 2026-07-14 04:56:38

●NSns1.corelab.com2015-08-28 → 2026-07-14 · 7 obs

○ 2009-07-03 18:03:00
● 2015-08-28 01:37:36
● 2016-04-20 22:21:52
○ 2016-04-22 21:23:16
○ 2018-10-11 06:00:50
● 2019-08-19 07:32:38
● 2026-07-14 04:56:38

○NSns1.iplt.twtelecom.net2009-07-03 → 2016-04-20 · 4 obs

● 2009-07-03 18:03:00
● 2016-04-20 22:21:52
○ 2016-04-22 21:23:16
○ 2026-07-14 04:56:38

○NSns1.milw.twtelecom.net2009-07-03 → 2016-04-20 · 4 obs

● 2009-07-03 18:03:00
● 2016-04-20 22:21:52
○ 2016-04-22 21:23:16
○ 2026-07-14 04:56:38

●NSns2.corelab.com2016-04-22 → 2026-07-14 · 3 obs

○ 2016-04-20 22:21:52
● 2016-04-22 21:23:16
● 2026-07-14 04:56:38

●NSns3.corelab.com2016-04-22 → 2026-07-14 · 3 obs

○ 2016-04-20 22:21:52
● 2016-04-22 21:23:16
● 2026-07-14 04:56:38

●NSns4.corelab.com2016-04-20 → 2026-07-14 · 3 obs

○ 2015-08-28 01:37:36
● 2016-04-20 22:21:52
● 2026-07-14 04:56:38

●MXmailgw1.corelab.com2026-02-24 → 2026-07-14 · 3 obs

○ 2016-03-19 05:34:52
● 2026-02-24 15:55:00
● 2026-07-14 04:56:38

●MXmailgw2.corelab.com2026-02-24 → 2026-07-14 · 3 obs

○ 2026-02-24 15:55:00
● 2026-02-24 23:15:46
● 2026-07-14 04:56:38

●MXmailgw3.corelab.com2026-02-24 → 2026-07-14 · 3 obs

○ 2026-02-24 15:55:00
● 2026-02-24 23:15:46
● 2026-07-14 04:56:38

○MXmx1.corelab.com2009-07-03 → 2026-02-27 · 4 obs

● 2009-07-03 18:03:00
● 2026-02-27 12:50:50
○ 2026-02-27 20:55:32
○ 2026-07-14 04:56:38

○MXmx1.mail.twtelecom.net2009-07-03 → 2016-03-10 · 4 obs

● 2009-07-03 18:03:00
● 2016-03-10 10:17:52
○ 2016-03-19 05:34:52
○ 2026-07-14 04:56:38

○MXmx2.corelab.com2009-07-03 → 2026-02-27 · 4 obs

● 2009-07-03 18:03:00
● 2026-02-27 12:50:50
○ 2026-02-27 20:55:32
○ 2026-07-14 04:56:38

○MXmx2.mail.twtelecom.net2009-07-03 → 2016-03-10 · 4 obs

● 2009-07-03 18:03:00
● 2016-03-10 10:17:52
○ 2016-03-19 05:34:52
○ 2026-07-14 04:56:38

○MXmx3.corelab.com2015-08-28 → 2026-02-25 · 5 obs

○ 2009-07-03 18:03:00
● 2015-08-28 01:37:36
● 2026-02-25 12:44:42
○ 2026-02-25 21:19:44
○ 2026-07-14 04:56:38

○MXmx4.corelab.com2015-08-28 → 2026-02-25 · 5 obs

○ 2009-07-03 18:03:00
● 2015-08-28 01:37:36
● 2026-02-25 12:44:42
○ 2026-02-25 21:19:44
○ 2026-07-14 04:56:38

○A12.45.169.1152009-07-03 → 2009-07-03 · 3 obs

● 2009-07-03 18:03:00
○ 2015-08-28 01:37:36
○ 2026-07-14 04:56:38

○A12.45.169.1202015-08-28 → 2021-04-09 · 5 obs

○ 2009-07-03 18:03:00
● 2015-08-28 01:37:36
● 2021-04-09 23:03:12
○ 2026-02-14 20:54:48
○ 2026-07-14 04:56:38

●A141.193.213.102026-02-14 → 2026-07-14 · 3 obs

○ 2021-04-09 23:03:12
● 2026-02-14 20:54:48
● 2026-07-14 04:56:38

●A141.193.213.112026-02-14 → 2026-07-14 · 3 obs

○ 2021-04-09 23:03:12
● 2026-02-14 20:54:48
● 2026-07-14 04:56:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corelab.com	ns1.corelab.com, ns2.corelab.com, ns3.corelab.com, ns4.corelab.com	4 records

✅ Authoritative Response

Server:20.123.137.69

NS records: ns1.corelab.com, ns2.corelab.com, ns3.corelab.com, ns4.corelab.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corelab.com (unsigned zone)

⏱️ Timing

Total: 3264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.10, 141.193.213.11`
NS	4	`ns1.corelab.com, ns2.corelab.com...`
MX	3	`mailgw1.corelab.com (pri: 10), mailgw2.corelab.com (pri: 10)...`
TXT	11	`v=spf1 include:_corelab1.corelab.com inc, cisco-ci-domain-verification=1b36601888a...`
SOA	1	`ns1.corelab.com hostmaster.corelab.com`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.corelab.com, ns2.corelab.com, ns3.corelab.com...)

Analysis

Hierarchy

corelab.com is the parent domain of datastage.corelab.com, om.corelab.com, core.corelab.com, ns1.corelab.com, mailgw2.corelab.com and a few other host names.

IP Addresses

corelab.com resolves to the IP addresses 141.193.213.10 and 141.193.213.11

Two other host names, along with eiminc.com, ruizandassociates.com and paramountnola.com, also share IP numbers with corelab.com.

Name Servers

The NS records for corelab.com point to four name servers: ns1.corelab.com, ns2.corelab.com, ns3.corelab.com and ns4.corelab.com.

corelab.com shares at least some of its name servers with other domains, including corelab.nl, unreports.com, saybolt.de and two others.

The hosts ns1.corelab.com, ns2.corelab.com, ns3.corelab.com and ns4.corelab.com all resolve to exactly one IP address each: 12.45.169.149, 104.214.55.19, 216.253.192.236 and 20.123.137.69 respectively.

Mail Servers

corelab.com is handled by three mail servers: mailgw1.corelab.com, mailgw2.corelab.com and mailgw3.corelab.com.

corelab.com shares at least some of its mail servers with other domains, such as ocsresponds.com.

mailgw1.corelab.com, mailgw2.corelab.com and mailgw3.corelab.com each resolve to a single IP address: mailgw1.corelab.com resolves to 20.153.212.13, mailgw2.corelab.com resolves to 20.153.214.8 and mailgw3.corelab.com resolves to 20.33.72.22.