`headoftheclass.biz`

DNSSEC	⚠️ Not signed
A	12.2.141.74^{🇺🇸 AS701812.0.0.0/9 12/8 lower half}
NS	`ns97.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns98.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS97.WORLDNIC.COM`namehost@WORLDNIC.COM serial=111101113

`biz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld.biz` ⭐
	NS	`b.gtld.biz`
	NS	`c.gtld.biz`
	NS	`m.gtld.biz`
	NS	`n.gtld.biz`
	NS	`w.gtld.biz`
	NS	`x.gtld.biz`
	NS	`y.gtld.biz`
	SOA	`a.gtld.biz`admin@tldns.godaddy serial=1786416126

⚠️ On DNS blocklist: spam-tlds

Same first word

headoftheclass.biz

DNS History

4 records (3 active, 1 former)

●NSns97.worldnic.com2015-05-22 → 2026-08-11 · 2 obs

● 2015-05-22 05:39:16
● 2026-08-11 02:48:50

●NSns98.worldnic.com2015-05-22 → 2026-08-11 · 2 obs

● 2015-05-22 05:39:16
● 2026-08-11 02:48:50

○MXp.webcom.ctmail.com2016-01-18 → 2017-03-20 · 4 obs

● 2016-01-18 08:32:48
● 2017-03-20 04:02:34
○ 2020-01-16 00:24:32
○ 2026-08-11 02:48:50

●A12.2.141.742015-05-22 → 2026-08-11 · 2 obs

● 2015-05-22 05:39:16
● 2026-08-11 02:48:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
biz	a.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz...	-
headoftheclass.biz	ns97.worldnic.com, ns98.worldnic.com	-

✅ Authoritative Response

Server:162.159.26.217

NS records: ns97.worldnic.com, ns98.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for headoftheclass.biz (unsigned zone)

⏱️ Timing

Total: 1188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.2.141.74`
NS	2	`ns98.worldnic.com, ns97.worldnic.com`
SOA	1	`NS97.WORLDNIC.COM namehost.WORLDNIC.COM`

Analysis

IP Addresses

headoftheclass.biz has exactly one IP address — 12.2.141.74.

Additional host names — including shakerandassociates.biz and www.shakerandassociates.biz — share IP numbers with headoftheclass.biz.

Name Servers

headoftheclass.biz has two authoritative name servers — ns97.worldnic.com and ns98.worldnic.com.

The name server configuration of headoftheclass.biz is shared with other domains, for instance hsrl.org, amxfundingco.com, nedsales.com and two others.

The name servers for headoftheclass.biz overlap at least partially with those of other domains — for example haldemanlincoln.com.

ns97.worldnic.com directs to 162.159.26.217 and ns98.worldnic.com directs to 162.159.27.155; each host name points to exactly one IP number.

headoftheclass.biz - robtex.com