singaporemathclasses.com - dns.ninja

`singaporemathclasses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8f65^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2efc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.252^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.101^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gemma.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:261b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gemma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gemma.ns.cloudflare.com`
		A	108.162.194.27^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	162.159.38.27^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	172.64.34.27^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
NS	`yew.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c350^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2350^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yew.ns.cloudflare.com`
		A	108.162.195.80^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	162.159.44.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	172.64.35.80^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`google-site-verification=Qc23QCTWvnK_fJGxLNAV82troZ5QMvFuesiApVaRMuQ`
TXT	`v=spf1 include:zoho.com include:zcsend.net include:transmail.net ip4:165.232....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.252, 172.67.143.101
		IPv6 hints	2606:4700:3030::ac43:8f65, 2606:4700:3035::6815:2efc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOA	`gemma.ns.cloudflare.com`dns@cloudflare.com serial=2411116480

`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=1786360779

Subdomains

support.singaporemathclasses.com

Same first word

singaporemathclasses.com

DNS History

18 records (9 active, 9 former)

●NSgemma.ns.cloudflare.com2026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

●NSyew.ns.cloudflare.com2026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

○MXalt1.aspmx.l.google.com2026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

○MXalt2.aspmx.l.google.com2026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

○MXalt3.aspmx.l.google.com2026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

○MXalt4.aspmx.l.google.com2026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

○MXaspmx.l.google.com2026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

●MXmx.zoho.com2026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

●MXmx2.zoho.com2026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

●MXmx3.zoho.com2026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

●A104.21.46.2522026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

○A172.64.80.12026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

●A172.67.143.1012026-04-07 → 2026-08-10 · 2 obs

● 2026-04-07 00:38:38
● 2026-08-10 11:30:30

○A2606:4700:130:436c:6f75:6466:6c61:72652026-04-07 → 2026-08-10 · 2 obs

○ 2026-04-07 00:38:38
○ 2026-08-10 11:30:30

●A2606:4700:3030::ac43:8f652026-07-24 → 2026-08-10 · 3 obs

○ 2026-06-17 12:22:34
● 2026-07-24 06:29:20
● 2026-08-10 11:30:30

○A2606:4700:3031::6815:2efc2026-04-07 → 2026-06-17 · 4 obs

● 2026-04-07 00:38:38
● 2026-06-17 12:22:34
○ 2026-07-24 06:29:20
○ 2026-08-10 11:30:30

●A2606:4700:3035::6815:2efc2026-07-24 → 2026-08-10 · 3 obs

○ 2026-06-17 12:22:34
● 2026-07-24 06:29:20
● 2026-08-10 11:30:30

○A2606:4700:3037::ac43:8f652026-04-07 → 2026-06-17 · 4 obs

● 2026-04-07 00:38:38
● 2026-06-17 12:22:34
○ 2026-07-24 06:29:20
○ 2026-08-10 11:30:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
singaporemathclasses.com	gemma.ns.cloudflare.com, yew.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.80

NS records: gemma.ns.cloudflare.com, yew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for singaporemathclasses.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.101, 104.21.46.252`
AAAA	2	`2606:4700:3035::6815:2efc, 2606:4700:3030::ac43:8f65`
NS	2	`gemma.ns.cloudflare.com, yew.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`google-site-verification=Qc23QCTWvnK_fJG, v=spf1 include:zoho.com include:zcsend.n`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gemma.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

singaporemathclasses.com is a parent domain of support.singaporemathclasses.com.

IP Addresses

singaporemathclasses.com resolves to four IP addresses: 104.21.46.252, 172.67.143.101, 2606:4700:3030::ac43:8f65 and 2606:4700:3035::6815:2efc.

Among the host names that share IP numbers with singaporemathclasses.com are aicher.biz, www.neurozenix-us.com, clubpeugeot.es and two others.

Name Servers

Two name servers handle the delegation for singaporemathclasses.com: gemma.ns.cloudflare.com and yew.ns.cloudflare.com.

singaporemathclasses.com has the same name server delegation as a number of other domains, such as dalena.io, beyondgoinglong.co.uk, humanity.ai and two more.

singaporemathclasses.com shares at least some of its name servers with other domains, including 59593208muzdjwfyhv143.top, flowers36reg.ru, phimmoichillfb.cc and two others.

These name servers are frequently paired with the name servers seamus.ns.cloudflare.com and julissa.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gemma.ns.cloudflare.com resolves to 108.162.194.27, 162.159.38.27 and 172.64.34.27 among others, with 3 other IP addresses in total.

yew.ns.cloudflare.com resolves to 108.162.195.80, 162.159.44.80 and 172.64.35.80 among others, with 3 other IP addresses in total.

Mail Servers

singaporemathclasses.com is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

singaporemathclasses.com shares at least some of its mail servers with other domains — for example cehrd.org.ng, ugandarowing.org, iotslash.com and two more.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to one IP address: mx2.zoho.com to 136.143.183.44, and both mx3.zoho.com and mx.zoho.com to 204.141.43.44.

mx3.zoho.com along with mx.zoho.com each resolve to 204.141.43.44 IP addresses.