`njmathplustutor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:83d9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:c09^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.9^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.217^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`katelyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26eb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katelyn.ns.cloudflare.com`
		A	108.162.194.235^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	162.159.38.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	172.64.34.235^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
NS	`nikon.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nikon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nikon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nikon.ns.cloudflare.com`
		A	108.162.195.176^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nikon.ns.cloudflare.com`
		A	162.159.44.176^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nikon.ns.cloudflare.com`
		A	172.64.35.176^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nikon.ns.cloudflare.com`
MX	`_dc-mx.96ed8b639a64.njmathplustutor.com` ⭐
		A	67.20.88.101^{🇺🇸 EIGI67.20.64.0/18 Unified Layer}
			PTR	`67-20-88-101.unifiedlayer.com`
TXT	`v=spf1 +a +mx +ip4:50.87.227.183 +ip4:67.20.88.101 +include:websitewelcome.co...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.9, 172.67.131.217
		IPv6 hints	2606:4700:3031::ac43:83d9, 2606:4700:3033::6815:c09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOA	`katelyn.ns.cloudflare.com`dns@cloudflare.com serial=2401146599

`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=1776018052

Subdomains

mail.njmathplustutor.com

Same first word

njmathplustutor.com

DNS History

14 records (7 active, 7 former)

●NSkatelyn.ns.cloudflare.com2026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

●NSnikon.ns.cloudflare.com2026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

○NSns1.bluehost.com2026-04-05 → 2026-04-05 · 3 obs

○ 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

○NSns1.perfectmathsat.com2017-09-08 → 2026-04-05 · 3 obs

● 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

○NSns2.bluehost.com2026-04-05 → 2026-04-05 · 3 obs

○ 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

○NSns2.perfectmathsat.com2017-09-08 → 2026-04-05 · 3 obs

● 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

●MX_dc-mx.96ed8b639a64.njmathplustutor.com2026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

○MXmail.njmathplustutor.com2017-09-08 → 2026-04-05 · 3 obs

● 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

●A104.21.12.92026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

●A172.67.131.2172026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

○A198.154.235.12017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 07:51:58
○ 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

●A2606:4700:3031::ac43:83d92026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

●A2606:4700:3033::6815:c092026-04-12 → 2026-04-12 · 2 obs

○ 2026-04-05 20:21:02
● 2026-04-12 18:29:24

○A67.20.88.1012026-04-05 → 2026-04-05 · 3 obs

○ 2017-09-08 07:51:58
● 2026-04-05 20:21:02
○ 2026-04-12 18:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
njmathplustutor.com	katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for njmathplustutor.com (unsigned zone)

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.217, 104.21.12.9`
AAAA	2	`2606:4700:3033::6815:c09, 2606:4700:3031::ac43:83d9`
NS	2	`katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com`
MX	1	`_dc-mx.96ed8b639a64.njmathplustutor.com`
TXT	1	`v=spf1 +a +mx +ip4:50.87.227.183 +ip4:67`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`katelyn.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of mail.njmathplustutor.com is njmathplustutor.com.

IP Addresses

njmathplustutor.com maps to four IP numbers: 2606:4700:3031::ac43:83d9, 2606:4700:3033::6815:c09, 104.21.12.9 and 172.67.131.217.

Other host names such as dompos.com, dotus.link, imxigua.com, visionhost.cloud and login.dotus.link share IPs with njmathplustutor.com.

Name Servers

Two name servers katelyn.ns.cloudflare.com and nikon.ns.cloudflare.com handle the delegation for njmathplustutor.com.

njmathplustutor.com shares the same name server setup as other domains, for example officepro.az, str.kr, keltroexports.com, azur.com.br and perfectmathsat.com.

njmathplustutor.com at least partially shares name servers with other domains, for example sharemed.com, jdqiang.com, i2review.com, hotelclairdelune.com and carmenion.eu.

These name servers are often used with valentin.ns.cloudflare.com, rayne.ns.cloudflare.com, reese.ns.cloudflare.com, june.ns.cloudflare.com and diana.ns.cloudflare.com.

Host names with six IP numbers:

katelyn.ns.cloudflare.com points to 2606:4700:50::a29f:26eb, 2803:f800:50::6ca2:c2eb, 2a06:98c1:50::ac40:22eb, 108.162.194.235, 162.159.38.235 and 172.64.34.235.

nikon.ns.cloudflare.com points to 2606:4700:58::a29f:2cb0, 2803:f800:50::6ca2:c3b0, 2a06:98c1:50::ac40:23b0, 108.162.195.176, 162.159.44.176 and 172.64.35.176.

Mail Servers

The _dc-mx.96ed8b639a64.njmathplustutor.com mail server handles njmathplustutor.com.

_dc-mx.96ed8b639a64.njmathplustutor.com points to a single IP number: 67.20.88.101.

njmathplustutor.com - robtex.com