tonghuidg-edu.com - robtex.com

tonghuidg-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2de8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:dc0f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.232Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.15🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSabdullah.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ccb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A2803:f800:50::6ca2:c3cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRabdullah.ns.cloudflare.com
A2a06:98c1:50::ac40:23cb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRabdullah.ns.cloudflare.com
A108.162.195.203🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A162.159.44.203Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
A172.64.35.203🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabdullah.ns.cloudflare.com
NSdorthy.ns.cloudflare.com
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.232, 172.67.220.15
IPv6 hints2606:4700:3031::6815:2de8, 2606:4700:3033::ac43:dc0f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOAabdullah.ns.cloudflare.comdns@cloudflare.com serial=2409261129

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785773747

Same first word

tonghuidg-edu.com

DNS History

13 records (6 active, 7 former)

202120222023202420252026NSabdullah.ns.cloudflare.comdorthy.ns.cloudflare.comjm1.dns.comA104.21.45.232172.67.220.152606:4700:3031::6815:2de82606:4700:3033::ac43:dc0f188.114.96.0188.114.97.02606:4700:3035::ac43:dc0f2606:4700:3036::6815:2de82a06:98c1:3120::2a06:98c1:3121::
●NSabdullah.ns.cloudflare.com2026-05-17 → 2026-08-03 · 3 obs
○ 2020-02-25 21:36:26
● 2026-05-17 02:26:24
● 2026-08-03 16:39:04
●NSdorthy.ns.cloudflare.com2026-05-17 → 2026-08-03 · 3 obs
○ 2020-02-25 21:36:26
● 2026-05-17 02:26:24
● 2026-08-03 16:39:04
○NSjm1.dns.com2020-02-25 → 2020-02-25 · 3 obs
● 2020-02-25 21:36:26
○ 2026-05-17 02:26:24
○ 2026-08-03 16:39:04
●A104.21.45.2322026-05-17 → 2026-08-03 · 4 obs
● 2026-05-17 02:26:24
● 2026-05-25 00:07:04
○ 2026-07-13 11:05:32
● 2026-08-03 16:39:04
●A172.67.220.152026-05-17 → 2026-08-03 · 4 obs
● 2026-05-17 02:26:24
● 2026-05-25 00:07:04
○ 2026-07-13 11:05:32
● 2026-08-03 16:39:04
○A188.114.96.02026-07-13 → 2026-07-13 · 3 obs
○ 2026-05-25 00:07:04
● 2026-07-13 11:05:32
○ 2026-08-03 16:39:04
○A188.114.97.02026-07-13 → 2026-07-13 · 3 obs
○ 2026-05-25 00:07:04
● 2026-07-13 11:05:32
○ 2026-08-03 16:39:04
●A2606:4700:3031::6815:2de82026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-13 11:05:32
● 2026-08-03 16:39:04
●A2606:4700:3033::ac43:dc0f2026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-13 11:05:32
● 2026-08-03 16:39:04
○A2606:4700:3035::ac43:dc0f2026-05-17 → 2026-05-25 · 4 obs
● 2026-05-17 02:26:24
● 2026-05-25 00:07:04
○ 2026-07-13 11:05:32
○ 2026-08-03 16:39:04
○A2606:4700:3036::6815:2de82026-05-17 → 2026-05-25 · 4 obs
● 2026-05-17 02:26:24
● 2026-05-25 00:07:04
○ 2026-07-13 11:05:32
○ 2026-08-03 16:39:04
○A2a06:98c1:3120::2026-07-13 → 2026-07-13 · 3 obs
○ 2026-05-25 00:07:04
● 2026-07-13 11:05:32
○ 2026-08-03 16:39:04
○A2a06:98c1:3121::2026-07-13 → 2026-07-13 · 3 obs
○ 2026-05-25 00:07:04
● 2026-07-13 11:05:32
○ 2026-08-03 16:39:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tonghuidg-edu.comdorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.203

NS records: dorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tonghuidg-edu.com (unsigned zone)

⏱️ Timing

Total: 1278ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.220.15, 104.21.45.232
AAAA22606:4700:3033::ac43:dc0f, 2606:4700:3031::6815:2de8
NS2abdullah.ns.cloudflare.com, dorthy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1abdullah.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tonghuidg-edu.com resolves to four IP addresses: 104.21.45.232, 172.67.220.15, 2606:4700:3031::6815:2de8 and 2606:4700:3033::ac43:dc0f.

caa.com.ar, nachhaltigewohnideen.com, genaiby.com and two other host names share IP numbers with tonghuidg-edu.com.

Name Servers

Two name servers handle the delegation for tonghuidg-edu.com: abdullah.ns.cloudflare.com and dorthy.ns.cloudflare.com.

tonghuidg-edu.com uses the same name servers as several other domains — among them eduproxy.com, chinalacoop.com, xshhzx.com and two more.

tonghuidg-edu.com has at least partial name server overlap with other domains, such as env-service.com, zh-enter-oubo.com, huayunlm.com and two others.

These name servers tend to appear together with the name servers rayden.ns.cloudflare.com, aleena.ns.cloudflare.com and maria.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

abdullah.ns.cloudflare.com resolves to 108.162.195.203, 162.159.44.203 and 172.64.35.203 among others, with 3 other IP addresses in total.

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249 and 173.245.58.249 among others, with 3 other IP addresses in total.