`citrixcertification.com`

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 -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2025-02-11 #1

`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=1784157452

Same first word

citrixcertification.com

DNS History

15 records (8 active, 7 former)

○NSdns1.cscdns.net2008-03-20 → 2019-12-26 · 4 obs

● 2008-03-20 12:37:02
● 2019-12-26 14:29:30
○ 2026-03-26 10:14:48
○ 2026-07-15 23:31:52

○NSdns2.cscdns.net2008-03-20 → 2019-12-26 · 4 obs

● 2008-03-20 12:37:02
● 2019-12-26 14:29:30
○ 2026-03-26 10:14:48
○ 2026-07-15 23:31:52

●NSns1.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns2.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns3.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns4.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns5.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns6.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

●NSns7.markmonitor.com2026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

○MXcustmx.cscdns.net2015-07-05 → 2019-12-26 · 5 obs

○ 2008-03-20 12:37:02
● 2015-07-05 22:42:50
● 2019-12-26 14:29:30
○ 2026-03-26 10:14:48
○ 2026-07-15 23:31:52

○MXcustmx.register.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 12:37:02
○ 2015-07-05 22:42:50
○ 2026-07-15 23:31:52

○A165.160.13.202015-07-05 → 2019-12-26 · 5 obs

○ 2008-03-20 12:37:02
● 2015-07-05 22:42:50
● 2019-12-26 14:29:30
○ 2026-03-26 10:14:48
○ 2026-07-15 23:31:52

○A165.160.15.202015-07-05 → 2019-12-26 · 5 obs

○ 2008-03-20 12:37:02
● 2015-07-05 22:42:50
● 2019-12-26 14:29:30
○ 2026-03-26 10:14:48
○ 2026-07-15 23:31:52

○A216.21.229.1962008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 12:37:02
○ 2015-07-05 22:42:50
○ 2026-07-15 23:31:52

●A99.83.176.462026-03-26 → 2026-07-15 · 3 obs

○ 2019-12-26 14:29:30
● 2026-03-26 10:14:48
● 2026-07-15 23:31:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
citrixcertification.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:192.174.68.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citrixcertification.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`99.83.176.46`
NS	7	`ns1.markmonitor.com, ns3.markmonitor.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

citrixcertification.com points to a single IP number: 99.83.176.46.

Additional host names — clubvh1.com, yahoochat.com.br, heetsiqosdubai.com and two others — share IP numbers with citrixcertification.com.

Name Servers

The DNS delegation for citrixcertification.com covers 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 more.

citrixcertification.com shares at least some of its name servers with other domains, including gardeninn.fr, octavetechnology.com, ourtilme.com and two others.

These name servers are frequently seen alongside the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names with two IP numbers:

ns1.markmonitor.com maps to two IP addresses — 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com maps to two IP addresses — 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com maps to two IP addresses — 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com maps to two IP addresses — 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com maps to two IP addresses — 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com maps to two IP addresses — 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com maps to two IP addresses — 149.112.161.2 and 2620:10a:80a9::2.

citrixcertification.com - robtex.com