firststring.cn - robtex.com

firststring.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5f9b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9197🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.155Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.151🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmaxim.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cc6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A2803:f800:50::6ca2:c3c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaxim.ns.cloudflare.com
A2a06:98c1:50::ac40:23c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmaxim.ns.cloudflare.com
A108.162.195.198🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A162.159.44.198Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
A172.64.35.198🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxim.ns.cloudflare.com
NSprincess.ns.cloudflare.com
A2606:4700:50::a29f:2611🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRprincess.ns.cloudflare.com
A2803:f800:50::6ca2:c211🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRprincess.ns.cloudflare.com
A2a06:98c1:50::ac40:2211🇺🇸 Cloudflare2a06:98c1:50::/45
PTRprincess.ns.cloudflare.com
A108.162.194.17🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRprincess.ns.cloudflare.com
A162.159.38.17Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRprincess.ns.cloudflare.com
A172.64.34.17🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRprincess.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.95.155, 172.67.145.151
IPv62606:4700:3035::6815:5f9b, 2606:4700:3035::ac43:9197
SOAmaxim.ns.cloudflare.comdns@cloudflare.com serial=2398976585

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034592920

Same first word

firststring.io
firststring.cn

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSmaxim.ns.cloudflare.comprincess.ns.cloudflare.comns1.alidns.comns2.alidns.comA104.21.95.155172.67.145.1512606:4700:3035::6815:5f9b2606:4700:3035::ac43:9197124.16.31.152
●NSmaxim.ns.cloudflare.com2026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32
○NSns1.alidns.com2015-08-15 → 2017-03-27 · 4 obs
● 2015-08-15 17:17:04
● 2017-03-27 12:12:18
○ 2026-02-18 16:21:10
○ 2026-03-27 09:58:32
○NSns2.alidns.com2015-08-15 → 2017-03-27 · 4 obs
● 2015-08-15 17:17:04
● 2017-03-27 12:12:18
○ 2026-02-18 16:21:10
○ 2026-03-27 09:58:32
●NSprincess.ns.cloudflare.com2026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32
●A104.21.95.1552026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32
○A124.16.31.1522015-08-15 → 2017-03-27 · 4 obs
● 2015-08-15 17:17:04
● 2017-03-27 12:12:18
○ 2026-02-18 16:21:10
○ 2026-03-27 09:58:32
●A172.67.145.1512026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32
●A2606:4700:3035::6815:5f9b2026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32
●A2606:4700:3035::ac43:91972026-02-18 → 2026-03-27 · 3 obs
○ 2017-03-27 12:12:18
● 2026-02-18 16:21:10
● 2026-03-27 09:58:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn...-
firststring.cnmaxim.ns.cloudflare.com, princess.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.198

NS records: maxim.ns.cloudflare.com, princess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firststring.cn (unsigned zone)

⏱️ Timing

Total: 854ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.145.151, 104.21.95.155
AAAA22606:4700:3035::ac43:9197, 2606:4700:3035::6815:5f9b
NS2maxim.ns.cloudflare.com, princess.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1maxim.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

firststring.cn resolves to four IP numbers: 2606:4700:3035::6815:5f9b, 2606:4700:3035::ac43:9197, 104.21.95.155 and 172.67.145.151.

Other host names such as winclash.com.in, zeidlercenter.org, 2djh.top, breble.com and 76543f.com share IPs with firststring.cn.

Name Servers

firststring.cn is delegated to two name servers: maxim.ns.cloudflare.com and princess.ns.cloudflare.com.

firststring.cn shares the same name server setup as gdfsjida.cn, anmanluo.cn, p517.cn, sdpfw.cn and sales100.cn.

firststring.cn at least partially shares name servers with other domains, for instance awingtech.com, seraman.it, westrussia.org, greatnepalholidays.com and qoiwexsoftamicros821.info.

These name servers are commonly used with mark.ns.cloudflare.com and daniella.ns.cloudflare.com.

Host names with six IP numbers:

maxim.ns.cloudflare.com points to 2606:4700:58::a29f:2cc6, 2803:f800:50::6ca2:c3c6, 2a06:98c1:50::ac40:23c6, 108.162.195.198, 162.159.44.198 and 172.64.35.198.

princess.ns.cloudflare.com points to 2606:4700:50::a29f:2611, 2803:f800:50::6ca2:c211, 2a06:98c1:50::ac40:2211, 108.162.194.17, 162.159.38.17 and 172.64.34.17.