`mozilladeveloper.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}
			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 2025-12-05 #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=1783237831

Same first word

mozilladeveloper.com

mozilladeveloper.net

mozilladeveloper.org

DNS History

11 records (8 active, 3 former)

○NSdns1.emarkmonitor.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 23:46:26
○ 2015-06-25 22:43:08
○ 2026-07-05 08:08:00

○NSdns2.emarkmonitor.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 23:46:26
○ 2015-06-25 22:43:08
○ 2026-07-05 08:08:00

●NSns1.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns2.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns3.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns4.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns5.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns6.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●NSns7.markmonitor.com2015-06-25 → 2026-07-05 · 3 obs

○ 2008-03-16 23:46:26
● 2015-06-25 22:43:08
● 2026-07-05 08:08:00

●A3.33.139.322026-04-18 → 2026-07-05 · 3 obs

○ 2015-06-25 22:43:08
● 2026-04-18 17:52:04
● 2026-07-05 08:08:00

○A64.124.14.102008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 23:46:26
○ 2015-06-25 22:43:08
○ 2026-07-05 08:08:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
mozilladeveloper.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.161.1

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 mozilladeveloper.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	7	`ns6.markmonitor.com, ns4.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

mozilladeveloper.com directs to one IP number, which is 3.33.139.32.

Among the host names that share IP numbers with mozilladeveloper.com are nextdlp.net, xn--cck5d8b8bwe.net, books.exchange and two others.

Name Servers

mozilladeveloper.com delegates authority to 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com plus 4 other.

mozilladeveloper.com has at least partial name server overlap with other domains, such as quickbooks.pro, instylebadass.com, cheapoait.com and two others.

It is common to find these name servers paired with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Hosts with two IP numbers each:

ns1.markmonitor.com directs traffic to 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com directs traffic to 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com directs traffic to 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com directs traffic to 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com directs traffic to 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com directs traffic to 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com directs traffic to 149.112.161.2 and 2620:10a:80a9::2.