`mozilladevelopers.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=1784356502

Same first word

mozilladevelopers.net

mozilladevelopers.com

DNS History

11 records (8 active, 3 former)

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

● 2008-03-16 23:43:26
○ 2015-07-25 19:40:02
○ 2026-07-18 06:45:06

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

● 2008-03-16 23:43:26
○ 2015-07-25 19:40:02
○ 2026-07-18 06:45:06

●NSns1.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns2.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns3.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns4.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns5.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns6.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

●NSns7.markmonitor.com2015-07-25 → 2026-07-18 · 3 obs

○ 2008-03-16 23:43:26
● 2015-07-25 19:40:02
● 2026-07-18 06:45:06

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

○ 2015-07-25 19:40:02
● 2026-04-18 17:49:04
● 2026-07-18 06:45:06

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

● 2008-03-16 23:43:26
○ 2015-07-25 19:40:02
○ 2026-07-18 06:45:06

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:149.112.161.2

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 mozilladevelopers.com (unsigned zone)

⏱️ Timing

Total: 823ms | Queries: -

📄 Records

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

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

Among the host names that share IP numbers with mozilladevelopers.com are ciscosystems.com.cm, mx1.serviceintelligence.com, ns1.liberty24.ru and two others.

Name Servers

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

mozilladevelopers.com has at least partial name server overlap with other domains, such as berghaus.community, dxc.us, zscalerfed.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 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.

mozilladevelopers.com - robtex.com