chemfirst.com - robtex.com

chemfirst.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d007🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3035::6815:3516🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.21.53.22Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.67.208.7🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSpdns99.ultradns.com ⭐
A2001:502:f3ff::87🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns99.ultradns.com
A156.154.64.99🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns99.ultradns.com
NSpdns99.ultradns.biz
A2610:a1:1015::87🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns99.ultradns.biz
A156.154.66.99🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns99.ultradns.biz
NSpdns99.ultradns.net
A2610:a1:1014::87🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns99.ultradns.net
A156.154.65.99🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns99.ultradns.net
NSpdns99.ultradns.org
A2001:502:4612::87🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns99.ultradns.org
A156.154.67.99🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns99.ultradns.org
SOApdns99.ultradns.comdomain_admin@chemours.com 2010-08-25 #27

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

chemfirst.com
chemfirst.in

Similar names

mtfischer.de
mtfischer.com
firstchem.vn
firstmech.com
firstchem.com
hfmetrics.com
techfirms.com
firstchem.com.tw
mfritsche.com
merchfits.com
firstchem.in

DNS History

23 records (8 active, 15 former)

2008201020122014201620182020202220242026NSpdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.orgapollo.lvs.dupont.comdnsauth1.sys.gtei.netdnsauth2.sys.gtei.netdnsauth3.sys.gtei.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukMXcluster9.us.messagelabs.comcluster9a.us.messagelabs.commailgw1.chemfirst.comA104.21.53.22172.67.208.72606:4700:3033::ac43:d0072606:4700:3035::6815:3516204.74.99.10065.165.139.142
○NSapollo.lvs.dupont.com2007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54
○NSdnsauth1.sys.gtei.net2007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54
○NSdnsauth2.sys.gtei.net2007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54
○NSdnsauth3.sys.gtei.net2007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54
○NSpdns1.ultradns.net2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○NSpdns2.ultradns.net2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○NSpdns3.ultradns.org2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○NSpdns4.ultradns.org2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○NSpdns5.ultradns.info2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○NSpdns6.ultradns.co.uk2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
●NSpdns99.ultradns.biz2016-07-10 → 2026-03-16 · 3 obs
○ 2016-03-16 09:39:36
● 2016-07-10 17:33:36
● 2026-03-16 18:13:54
●NSpdns99.ultradns.com2016-07-10 → 2026-03-16 · 3 obs
○ 2016-03-16 09:39:36
● 2016-07-10 17:33:36
● 2026-03-16 18:13:54
●NSpdns99.ultradns.net2016-07-10 → 2026-03-16 · 3 obs
○ 2016-03-16 09:39:36
● 2016-07-10 17:33:36
● 2026-03-16 18:13:54
●NSpdns99.ultradns.org2016-07-10 → 2026-03-16 · 3 obs
○ 2016-03-16 09:39:36
● 2016-07-10 17:33:36
● 2026-03-16 18:13:54
○MXcluster9.us.messagelabs.com2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○MXcluster9a.us.messagelabs.com2015-06-15 → 2016-03-16 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2016-03-16 09:39:36
○ 2016-07-10 17:33:36
○ 2026-03-16 18:13:54
○MXmailgw1.chemfirst.com2007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54
●A104.21.53.222026-03-16 → 2026-03-16 · 3 obs
○ 2017-05-19 05:08:18
● 2026-03-16 13:34:40
● 2026-03-16 18:13:54
●A172.67.208.72026-03-16 → 2026-03-16 · 3 obs
○ 2017-05-19 05:08:18
● 2026-03-16 13:34:40
● 2026-03-16 18:13:54
○A204.74.99.1002015-06-15 → 2017-05-19 · 5 obs
○ 2007-10-29 01:51:58
● 2015-06-15 04:32:48
● 2017-05-19 05:08:18
○ 2026-03-16 13:34:40
○ 2026-03-16 18:13:54
●A2606:4700:3033::ac43:d0072026-03-16 → 2026-03-16 · 3 obs
○ 2017-05-19 05:08:18
● 2026-03-16 13:34:40
● 2026-03-16 18:13:54
●A2606:4700:3035::6815:35162026-03-16 → 2026-03-16 · 3 obs
○ 2017-05-19 05:08:18
● 2026-03-16 13:34:40
● 2026-03-16 18:13:54
○A65.165.139.1422007-10-29 → 2007-10-29 · 3 obs
● 2007-10-29 01:51:58
○ 2015-06-15 04:32:48
○ 2026-03-16 18:13:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...-
chemfirst.compdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org2 records

✅ Authoritative Response

Server: 156.154.64.99

NS records: pdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chemfirst.com (unsigned zone)

⏱️ Timing

Total: 1149ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.53.22, 172.67.208.7
AAAA22606:4700:3035::6815:3516, 2606:4700:3033::ac43:d007
NS4pdns99.ultradns.biz, pdns99.ultradns.com...
SOA1pdns99.ultradns.com domain_admin.chemour

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns99.ultradns.com, pdns99.ultradns.com)

Analysis

IP Addresses

chemfirst.com resolves to four IPs: 2606:4700:3033::ac43:d007, 2606:4700:3035::6815:3516, 104.21.53.22 and 172.67.208.7.

Other host names such as cao44.com, gadgetindianews.techieformation.com, cishe.com.cn, net-factor.gr and vstaring.com share IP numbers with chemfirst.com.

Name Servers

chemfirst.com is delegated to four name servers: pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.

At least part of the name servers for chemfirst.com are shared with other domains, for instance 151.231.67.in-addr.arpa, nationaladvocacy.org, lginetwork.com, guardianprotectsme.com and teflon.se.

These name servers are commonly used alongside ns1.proofpoint.com and ns3.proofpoint.com.

Host names with two IP numbers:

pdns99.ultradns.biz points to: 2610:a1:1015::87 and 156.154.66.99

pdns99.ultradns.com points to: 2001:502:f3ff::87 and 156.154.64.99

pdns99.ultradns.net points to: 2610:a1:1014::87 and 156.154.65.99

pdns99.ultradns.org points to: 2001:502:4612::87 and 156.154.67.99