`professorstuff.com`

DNSSEC	⚠️ Not signed
A	208.91.197.39^{🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object}
NS	`dns101.register.com` ⭐
		A	162.159.24.117^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns102.register.com`
		A	162.159.25.158^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`DNS101.REGISTER.com`root@REGISTER.com serial=120042815

`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=1786527639

Subdomains

api.professorstuff.com

Same first word

professorstuff.com

DNS History

8 records (3 active, 5 former)

○NSdns010.d.register.com2016-12-20 → 2017-11-19 · 4 obs

● 2016-12-20 00:45:12
● 2017-11-19 11:48:34
○ 2026-07-04 03:20:46
○ 2026-08-12 09:54:58

○NSdns096.b.register.com2016-12-20 → 2017-11-19 · 4 obs

● 2016-12-20 00:45:12
● 2017-11-19 11:48:34
○ 2026-07-04 03:20:46
○ 2026-08-12 09:54:58

●NSdns101.register.com2026-07-04 → 2026-08-12 · 3 obs

○ 2017-11-19 11:48:34
● 2026-07-04 03:20:46
● 2026-08-12 09:54:58

●NSdns102.register.com2026-07-04 → 2026-08-12 · 3 obs

○ 2017-11-19 11:48:34
● 2026-07-04 03:20:46
● 2026-08-12 09:54:58

○NSdns150.c.register.com2016-12-20 → 2017-11-19 · 4 obs

● 2016-12-20 00:45:12
● 2017-11-19 11:48:34
○ 2026-07-04 03:20:46
○ 2026-08-12 09:54:58

○NSdns238.a.register.com2016-12-20 → 2017-11-19 · 4 obs

● 2016-12-20 00:45:12
● 2017-11-19 11:48:34
○ 2026-07-04 03:20:46
○ 2026-08-12 09:54:58

○MXp.webcom.ctmail.com2016-12-20 → 2017-11-19 · 4 obs

● 2016-12-20 00:45:12
● 2017-11-19 11:48:34
○ 2026-07-04 03:20:46
○ 2026-08-12 09:54:58

●A208.91.197.392016-12-20 → 2026-08-12 · 2 obs

● 2016-12-20 00:45:12
● 2026-08-12 09:54:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
professorstuff.com	dns101.register.com, dns102.register.com	2 records

✅ Authoritative Response

Server:162.159.24.117

NS records: dns101.register.com, dns102.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professorstuff.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.39`
NS	2	`dns101.register.com, dns102.register.com`
SOA	1	`DNS101.REGISTER.com root.REGISTER.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)

Analysis

Hierarchy

professorstuff.com is the parent zone for api.professorstuff.com.

IP Addresses

professorstuff.com resolves to just one IP address, 208.91.197.39.

Two other host names, along with bioenvironmentalassociates.com.futuresite.register.com, connectingusall.net and anthonytheplumber.net, also share IP numbers with professorstuff.com.

Name Servers

professorstuff.com uses two name servers for its delegation: dns101.register.com and dns102.register.com.

professorstuff.com shares its NS records with other domains, for example vitruvianpartners.com, thearcadia.net, coremgtgroup.com and two others.

dns101.register.com resolves to 162.159.24.117. dns102.register.com resolves to 162.159.25.158. Both host names point to a single IP number.

professorstuff.com - robtex.com