`office-tutorial.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=1777405031

Same first word

office-tutorial.de

DNS History

6 records (0 active, 6 former)

○NSns1.sinwe.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 00:08:18
○ 2015-07-09 03:27:54
○ 2026-04-28 19:45:58

○NSns2.sinwe.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 00:08:18
○ 2015-07-09 03:27:54
○ 2026-04-28 19:45:58

○NSns5.kasserver.com2018-11-06 → 2018-11-06 · 4 obs

○ 2015-07-09 03:27:54
● 2018-11-06 19:29:34
○ 2026-03-20 11:37:18
○ 2026-04-28 19:45:58

○NSns6.kasserver.com2018-11-06 → 2018-11-06 · 4 obs

○ 2015-07-09 03:27:54
● 2018-11-06 19:29:34
○ 2026-03-20 11:37:18
○ 2026-04-28 19:45:58

○MXw010bde8.kasserver.com2018-11-06 → 2018-11-06 · 3 obs

● 2018-11-06 19:29:34
○ 2026-03-20 11:37:18
○ 2026-04-28 19:45:58

○A85.13.148.1532018-11-06 → 2018-11-06 · 3 obs

● 2018-11-06 19:29:34
○ 2026-03-20 11:37:18
○ 2026-04-28 19:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-

✅ Authoritative Response

Server:192.5.6.30

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 67ms | Queries: -

📄 Records

Type	Count	Sample Data

office-tutorial.com - robtex.com