`stemcentrx.co`

DNSSEC	⚠️ Not signed
A	99.83.176.46^{🇺🇸 Amazon99.83.176.0/20}
		PTR	`a44fc39dcd01d2028.awsglobalaccelerator.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com`
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
TXT	`v=spf1 include:_u.stemcentrx.co._spf.smart.ondmarc.com -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2025-01-17 #1

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759620210

Same first word

stemcentrx.com

stemcentrx.co

DNS History

13 records (8 active, 5 former)

●NSns1.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

●NSns2.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

●NSns3.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

●NSns4.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

●NSns5.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

●NSns6.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

○NSns69.domaincontrol.com2015-07-02 → 2016-04-24 · 3 obs

● 2015-07-02 07:59:54
● 2016-04-24 17:22:00
○ 2026-03-28 09:34:44

●NSns7.markmonitor.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

○NSns70.domaincontrol.com2015-07-02 → 2016-04-24 · 3 obs

● 2015-07-02 07:59:54
● 2016-04-24 17:22:00
○ 2026-03-28 09:34:44

○MXmailstore1.secureserver.net2015-07-02 → 2016-04-24 · 3 obs

● 2015-07-02 07:59:54
● 2016-04-24 17:22:00
○ 2026-03-28 09:34:44

○MXsmtp.secureserver.net2015-07-02 → 2016-04-24 · 3 obs

● 2015-07-02 07:59:54
● 2016-04-24 17:22:00
○ 2026-03-28 09:34:44

○A184.168.221.332015-07-02 → 2016-04-24 · 3 obs

● 2015-07-02 07:59:54
● 2016-04-24 17:22:00
○ 2026-03-28 09:34:44

●A99.83.176.462026-03-28 → 2026-03-28 · 2 obs

○ 2016-04-24 17:22:00
● 2026-03-28 09:34:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, a.registrydns.co, b.registrydns.co, c.registrydns.co	-
stemcentrx.co	ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com...	-

✅ Authoritative Response

Server:176.97.158.1

NS records: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stemcentrx.co (unsigned zone)

⏱️ Timing

Total: 549ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`99.83.176.46`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`v=spf1 include:_u.stemcentrx.co._spf.sma`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

Analysis

IP Addresses

stemcentrx.co points to a single IP: 99.83.176.46.

Other host names, for instance kestrela.info, luber-finer.de, methodsfinder.org, optimaloncology.com and mail.mailman.zone share IP numbers with stemcentrx.co.

Name Servers

stemcentrx.co is delegated to seven name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

stemcentrx.co partially shares name servers with other domains; examples include twotap.io, stexerol.com, driversseatgame.com, topsym.com and telsamonaco.com.