`science-factbook.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=1777241196

PTR for

80.254.247.129.in-addr.arpa

201.254.247.129.in-addr.arpa

DNS History

5 records (0 active, 5 former)

○NSns1.dlr.de2016-12-16 → 2017-10-21 · 4 obs

● 2016-12-16 23:02:40
● 2017-10-21 19:09:54
○ 2026-02-22 23:15:16
○ 2026-04-26 22:34:10

○NSns2.dlr.de2016-12-16 → 2017-10-21 · 4 obs

● 2016-12-16 23:02:40
● 2017-10-21 19:09:54
○ 2026-02-22 23:15:16
○ 2026-04-26 22:34:10

○NSns3.knipp.de2016-12-16 → 2017-10-21 · 4 obs

● 2016-12-16 23:02:40
● 2017-10-21 19:09:54
○ 2026-02-22 23:15:16
○ 2026-04-26 22:34:10

○NSns5.dlr.de2016-12-16 → 2017-10-21 · 4 obs

● 2016-12-16 23:02:40
● 2017-10-21 19:09:54
○ 2026-02-22 23:15:16
○ 2026-04-26 22:34:10

○A129.247.254.802016-12-16 → 2017-10-21 · 4 obs

● 2016-12-16 23:02:40
● 2017-10-21 19:09:54
○ 2026-02-22 23:15:16
○ 2026-04-26 22:34:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-

✅ Authoritative Response

Server:192.26.92.30

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 87ms | Queries: -

📄 Records

Type	Count	Sample Data

science-factbook.com - robtex.com