`firstbookformula.com`

DNSSEC

⚠️ Not signed

`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=1774582392

DNS History

6 records (0 active, 6 former)

○NSns1.catalog.com2015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

○NSns2.catalog.com2015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

○NSns3.catalog.com2015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

○MXmx1.webhero.com2015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

○MXmx2.webhero.com2015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

○A209.217.39.552015-07-15 → 2017-03-16 · 4 obs

● 2015-07-15 12:05:22
● 2017-03-16 11:01:12
○ 2020-04-09 17:41:24
○ 2026-03-27 03:43:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-

✅ Authoritative Response

Server:192.41.162.30

NS records: m.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

Type	Count	Sample Data

firstbookformula.com - robtex.com