`higheredusa.com`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.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}
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}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2021-05-04 #2

`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=1784819332

Subdomains

mail.higheredusa.com

Same first word

higheredusa.com

DNS History

21 records (8 active, 13 former)

●NSns1.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns2.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns3.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns4.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns5.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns6.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

●NSns7.markmonitor.com2026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

○NSpdns1.ultradns.net2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns160.ultradns.biz2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns160.ultradns.com2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns160.ultradns.net2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns160.ultradns.org2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns2.ultradns.net2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns3.ultradns.org2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns4.ultradns.org2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns5.ultradns.info2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSpdns6.ultradns.co.uk2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○NSudns1.ultradns.net2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○MXmail.higheredusa.com2015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

○A209.225.11.2212015-07-04 → 2017-12-10 · 4 obs

● 2015-07-04 07:27:46
● 2017-12-10 20:13:00
○ 2026-07-02 16:51:48
○ 2026-07-23 15:33:22

●A3.33.139.322026-07-02 → 2026-07-23 · 3 obs

○ 2017-12-10 20:13:00
● 2026-07-02 16:51:48
● 2026-07-23 15:33:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
higheredusa.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.160.2

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 higheredusa.com (unsigned zone)

⏱️ Timing

Total: 354ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
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

Hierarchy

higheredusa.com is the parent zone for mail.higheredusa.com.

IP Addresses

higheredusa.com points to a single IP number: 3.33.139.32.

Additional host names — customink.me, drmartenshoe.co.uk, hillfiger.co.uk and two others — share IP numbers with higheredusa.com.

Name Servers

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

higheredusa.com partially shares its NS delegation with several other domains, including googlepages.at, indiatransfer.com, cybercash.cm and two others.

In DNS configurations, these name servers often share authority with ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and 5 other name servers.

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.

higheredusa.com - robtex.com

higheredusa.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`higheredusa.com`

`com`