coolsink.com.cn - robtex.com
coolsink.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:a1da🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:2a78🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.42.120Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.161.218🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | emerie.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2673🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c273🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2273🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| A | 108.162.194.115🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| A | 162.159.38.115Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| A | 172.64.34.115🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerie.ns.cloudflare.com | ||||||
| NS | guss.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ac🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| A | 108.162.193.172🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| A | 172.64.33.172🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| A | 173.245.59.172🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guss.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.42.120, 172.67.161.218 | ||||||
| IPv6 | 2606:4700:3031::ac43:a1da, 2606:4700:3036::6815:2a78 | ||||||
| SOA | emerie.ns.cloudflare.comdns@cloudflare.com serial=2397639474 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030476771 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSemerie.ns.cloudflare.com2026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
●NSguss.ns.cloudflare.com2026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
●A104.21.42.1202026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
●A172.67.161.2182026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
●A2606:4700:3031::ac43:a1da2026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
●A2606:4700:3036::6815:2a782026-02-18 → 2026-03-25 · 2 obs
● 2026-03-25 15:06:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| coolsink.com.cn | guss.ns.cloudflare.com, emerie.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.172
NS records: guss.ns.cloudflare.com, emerie.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolsink.com.cn (unsigned zone)
⏱️ Timing
Total: 2724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.161.218, 104.21.42.120 |
| AAAA | 2 | 2606:4700:3031::ac43:a1da, 2606:4700:3036::6815:2a78 |
| NS | 2 | emerie.ns.cloudflare.com, guss.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | emerie.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
coolsink.com.cn points to four IP numbers: 2606:4700:3031::ac43:a1da, 2606:4700:3036::6815:2a78, 104.21.42.120 and 172.67.161.218.
Other host names, for instance xsw.it, centrallogging.com, tdp.eu.com, iapple72.ru and logcare.com share IP numbers with coolsink.com.cn.
Name Servers
coolsink.com.cn's delegation is to two name servers emerie.ns.cloudflare.com and guss.ns.cloudflare.com.
coolsink.com.cn shares the same name server configuration as other domains, such as 327776.cn, daepifa.com, dqatxql.cn, 520hn.com and cngwfj.com.
coolsink.com.cn at least partially shares its name servers with other domains, for instance ohiocrimelawyer.com, txt.so, lesnovkusno.com, codigocivilonline.com.ar and ftmwt.com.
These name servers are often used together with the name servers monroe.ns.cloudflare.com.
Host names with six IP numbers:
emerie.ns.cloudflare.com points to: 2606:4700:50::a29f:2673, 2803:f800:50::6ca2:c273, 2a06:98c1:50::ac40:2273, 108.162.194.115, 162.159.38.115 and 172.64.34.115.
guss.ns.cloudflare.com points to: 2606:4700:58::adf5:3bac, 2803:f800:50::6ca2:c1ac, 2a06:98c1:50::ac40:21ac, 108.162.193.172, 172.64.33.172 and 173.245.59.172.