`com.math-help-services.org`

DNSSEC	⚠️ Not signed
A	172.66.41.21^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.42.235^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/2 ✓ hints match
		IPv4	172.66.41.21, 172.66.42.235

`math-help-services.org`

DNSSEC	⚠️ Not signed
A	172.66.41.21^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.42.235^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ed.ns.cloudflare.com` ⭐
NS	`jill.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt2.aspmx.l.google.com`⁽¹⁵⁾
MX	`aspmx2.googlemail.com`⁽²⁰⁾
TXT	`google-site-verification=HSnzM52-prBS_nfedRKkV3vsmDxC7FgPfd_i0aevpvM`
TXT	`google-site-verification=XdsbNQB_ZkSwMqIjJJ-mKATAIceI1mlzDlBRIXgHhFc`
TXT	`v=spf1 include: sendgrid.net spf.google.com a mx ip4:20.220.51.128 ip4:20.2...`
HTTPS	HTTP/2 ✓ hints match
		IPv4	172.66.41.21, 172.66.42.235
SOA	`ed.ns.cloudflare.com`dns@cloudflare.com serial=2399619135

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DNS History

2 records (2 active, 0 former)

●A172.66.41.212026-03-24 → 2026-03-29 · 2 obs

● 2026-03-24 02:41:16
● 2026-03-29 13:25:42

●A172.66.42.2352026-03-24 → 2026-03-29 · 2 obs

● 2026-03-24 02:41:16
● 2026-03-29 13:25:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
math-help-services.org	jill.ns.cloudflare.com, ed.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.122

NS records: jill.ns.cloudflare.com, ed.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math-help-services.org (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.42.235, 172.66.41.21`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`

Analysis

IP Addresses

com.math-help-services.org points to two IP numbers: 172.66.41.21 and 172.66.42.235.

Other host names such as peer1.math-help-services.org, bittylicious.com, mail.math-help-services.org, sav.com and math-help-services.org share IP numbers with com.math-help-services.org.

com.math-help-services.org - robtex.com