`professorexpert.net`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	208.91.197.91 ⭐
NS	`ns1.whois.com` ⚠️ Not in zone NS records
		A	162.251.82.122^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.122.reverse.myorderbox.com`
		A	162.251.82.123^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.123.reverse.myorderbox.com`
		A	162.251.82.250^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.250.reverse.myorderbox.com`
		A	162.251.82.251^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.251.reverse.myorderbox.com`
NS	`ns2.whois.com` ⚠️ Not in zone NS records
		A	162.251.82.120^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.120.reverse.myorderbox.com`
		A	162.251.82.121^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.121.reverse.myorderbox.com`
		A	162.251.82.248^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.248.reverse.myorderbox.com`
		A	162.251.82.249^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.249.reverse.myorderbox.com`
NS	`ns3.whois.com` ⚠️ Not in zone NS records
		A	162.251.82.118^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.118.reverse.myorderbox.com`
		A	162.251.82.119^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.119.reverse.myorderbox.com`
		A	162.251.82.246^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.246.reverse.myorderbox.com`
		A	162.251.82.247^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.247.reverse.myorderbox.com`
NS	`ns4.whois.com` ⚠️ Not in zone NS records
		A	162.251.82.124^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.124.reverse.myorderbox.com`
		A	162.251.82.125^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.125.reverse.myorderbox.com`
		A	162.251.82.252^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.252.reverse.myorderbox.com`
		A	162.251.82.253^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.253.reverse.myorderbox.com`
SOA	`208.91.197.91`hostmaster@professorexpert.net serial=1786218064

`net`

	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=1786217134

Same first word

professorexpert.com

professorexpert.co.uk

professorexpert.net

professorexpert.org

DNS History

10 records (6 active, 4 former)

●NS208.91.197.912026-03-04 → 2026-08-08 · 3 obs

○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-08-08 19:41:04

○NS208.91.197.912020-02-02 → 2020-02-02 · 4 obs

○ 2017-02-18 14:39:12
● 2020-02-02 20:50:44
○ 2026-03-04 11:30:04
○ 2026-08-08 19:41:04

●NSns1.whois.com2026-03-04 → 2026-08-08 · 3 obs

○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-08-08 19:41:04

●NSns2.whois.com2026-03-04 → 2026-08-08 · 3 obs

○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-08-08 19:41:04

●NSns3.whois.com2015-08-12 → 2026-08-08 · 5 obs

● 2015-08-12 16:45:20
● 2017-02-18 14:39:12
○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-08-08 19:41:04

●NSns4.whois.com2026-03-04 → 2026-08-08 · 3 obs

○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-08-08 19:41:04

●A127.0.0.12026-05-01 → 2026-08-08 · 5 obs

○ 2026-04-28 21:22:32
● 2026-05-01 03:00:58
○ 2026-07-18 14:25:22
● 2026-08-08 16:28:56
● 2026-08-08 19:41:04

○A208.91.197.912020-02-02 → 2020-02-02 · 4 obs

○ 2017-02-18 14:39:12
● 2020-02-02 20:50:44
○ 2026-03-04 11:30:04
○ 2026-08-08 19:41:04

○A69.16.192.642015-08-12 → 2017-02-18 · 4 obs

● 2015-08-12 16:45:20
● 2017-02-18 14:39:12
○ 2020-02-02 20:50:44
○ 2026-08-08 19:41:04

○A75.2.103.232026-03-04 → 2026-04-28 · 5 obs

○ 2020-02-02 20:50:44
● 2026-03-04 11:30:04
● 2026-04-28 21:22:32
○ 2026-05-01 03:00:58
○ 2026-08-08 19:41:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
professorexpert.net	ns1.whois.com, ns2.whois.com, ns3.whois.com, ns4.whois.com	-

✅ Authoritative Response

Server:162.251.82.246

NS records: ns1.whois.com, ns2.whois.com, ns3.whois.com, ns4.whois.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professorexpert.net (unsigned zone)

⏱️ Timing

Total: 321ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
SOA	1	`208.91.197.91 hostmaster.professorexpert`

Analysis

IP Addresses

professorexpert.net directs to one IP number, which is 127.0.0.1.

Among the host names that share IP numbers with professorexpert.net are pop.pindorama.sp.gov.br, huolie.cn, zmigrodforall.host.sk and two others.

Name Servers

The authoritative name servers for professorexpert.net are ns1.whois.com, ns2.whois.com, ns3.whois.com and two others.

The name servers of professorexpert.net overlap at least partially with those of other domains — among them mythodynamics.com, masterymatters.net, cinesh.com and two more.

These name servers commonly appear in delegations together with ns4.whois.com, 208.91.197.91, dns1.bigrock.in and 3 other.

The host names ns1.whois.com, ns2.whois.com, ns3.whois.com and ns4.whois.com each direct to four IP numbers: ns1.whois.com points to 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251, ns2.whois.com directs to 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249, ns3.whois.com points to 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247 and ns4.whois.com directs to 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.

professorexpert.net - robtex.com