firefox-dev.tools - dns.ninja

`firefox-dev.tools`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
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 2026-05-12 #1

`tools`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.tools` ⭐
	NS	`v0n1.nic.tools`
	NS	`v0n2.nic.tools`
	NS	`v0n3.nic.tools`
	NS	`v2n0.nic.tools`
	NS	`v2n1.nic.tools`
	SOA	`v0n0.nic.tools`hostmaster@donuts.email serial=1786695587

Same first word

firefox-dev.tools

DNS History

21 records (15 active, 6 former)

●NSns1.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●NSns2.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●NSns3.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●NSns4.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●NSns5.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●NSns6.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

○NSns65.domaincontrol.com2016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

○NSns66.domaincontrol.com2016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

●NSns7.markmonitor.com2026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

○MXmailstore1.secureserver.net2016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

○MXsmtp.secureserver.net2016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

●A185.199.108.1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A185.199.109.1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A185.199.110.1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A185.199.111.1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

○A192.30.252.1532016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

○A192.30.252.1542016-12-10 → 2017-08-20 · 4 obs

● 2016-12-10 23:54:44
● 2017-08-20 13:55:10
○ 2026-03-17 15:58:38
○ 2026-08-14 08:41:20

●A2606:50c0:8000::1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A2606:50c0:8001::1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A2606:50c0:8002::1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

●A2606:50c0:8003::1532026-03-17 → 2026-08-14 · 3 obs

○ 2017-08-20 13:55:10
● 2026-03-17 15:58:38
● 2026-08-14 08:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools, v0n3.nic.tools...	12 records
firefox-dev.tools	ns6.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com, ns2.markmonitor.com...	-

✅ Authoritative Response

Server:176.97.158.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firefox-dev.tools (unsigned zone)

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`
AAAA	4	`2606:50c0:8000::153, 2606:50c0:8001::153...`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools...)

Analysis

IP Addresses

firefox-dev.tools resolves to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Additional host names — appstarter.net, tygooch.github.io, quizblitzgame.com and two others — share IP numbers with firefox-dev.tools.

Name Servers

firefox-dev.tools has 7 name servers — ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

At least some of firefox-dev.tools's name servers are shared with other domains, for example metlifew.com, exxonjolietorder.com, connecttomyaccounts.com and two more.

These name servers are often deployed together with 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 resolves to 149.112.160.1 and 2620:10a:80a8::1.

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

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

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

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

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

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