🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`learningtechbook.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=1793394886

Previous names

Next names

DNS History

18 records (0 active, 18 former)

○NSdns1.bigrock.in2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○NSdns2.bigrock.in2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○NSdns3.bigrock.in2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○NSdns4.bigrock.in2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○NSns0.phase8.net2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○NSns1.phase8.net2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○NSns2.phase8.net2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○MXfwd0.hosts.co.uk2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○MXfwd1.hosts.co.uk2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○MXfwd2.hosts.co.uk2017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

○MXus2.mx1.mailhostbox.com2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○MXus2.mx2.mailhostbox.com2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○MXus2.mx3.mailhostbox.com2015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○A216.239.32.212015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○A216.239.34.212015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○A216.239.36.212015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○A216.239.38.212015-05-22 → 2016-01-04 · 4 obs

● 2015-05-22 20:57:16
● 2016-01-04 18:14:52
○ 2016-03-29 10:29:46
○ 2026-10-30 21:38:52

○A85.233.160.222017-12-16 → 2017-12-16 · 4 obs

○ 2016-03-29 10:29:46
● 2017-12-16 23:47:20
○ 2026-08-17 18:26:02
○ 2026-10-30 21:38:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-

✅ Authoritative Response

Server:192.43.172.30

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 241ms | Queries: -

📄 Records

Type	Count	Sample Data

learningtechbook.com - robtex.com