yfschool.com - robtex.com

yfschool.com

DNSSEC⚠️ Not signed
A38.38.135.112🇺🇸 PEGTECHINC38.38.128.0/18 PEG TECH INC
NSdonald.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A2803:f800:50::6ca2:c19e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonald.ns.cloudflare.com
A2a06:98c1:50::ac40:219e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonald.ns.cloudflare.com
A108.162.193.158🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A172.64.33.158🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A173.245.59.158🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
NSpenny.ns.cloudflare.com
A2606:4700:50::a29f:267c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A2803:f800:50::6ca2:c27c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpenny.ns.cloudflare.com
A2a06:98c1:50::ac40:227c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpenny.ns.cloudflare.com
A108.162.194.124🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A162.159.38.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A172.64.34.124🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
SOAdonald.ns.cloudflare.comdns@cloudflare.com serial=2400443959

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=1775064717

Same first word

yfschool.com

Similar names

fyschool.cn

DNS History

14 records (3 active, 11 former)

200920112013201520172019202120232025NSdonald.ns.cloudflare.compenny.ns.cloudflare.comf1g1ns1.dnspod.netns1.51dns.comns1.fabulous.comns2.51dns.comns2.fabulous.comMXpostbox.fabulous.comA38.38.135.112104.148.2.163107.148.1.183172.64.80.1216.34.131.1352606:4700:130:436c:6f75:6466:6c61:7265
●NSdonald.ns.cloudflare.com2026-04-01 → 2026-04-01 · 2 obs
○ 2017-12-11 23:03:56
● 2026-04-01 17:34:04
○NSf1g1ns1.dnspod.net2017-12-11 → 2017-12-11 · 3 obs
○ 2016-12-31 18:34:40
● 2017-12-11 23:03:56
○ 2026-04-01 17:34:04
○NSns1.51dns.com2015-06-16 → 2016-12-31 · 5 obs
○ 2008-11-18 05:40:36
● 2015-06-16 18:07:44
● 2016-12-31 18:34:40
○ 2017-12-11 23:03:56
○ 2026-04-01 17:34:04
○NSns1.fabulous.com2008-11-18 → 2008-11-18 · 3 obs
● 2008-11-18 05:40:36
○ 2015-06-16 18:07:44
○ 2026-04-01 17:34:04
○NSns2.51dns.com2015-06-16 → 2016-12-31 · 4 obs
○ 2008-11-18 05:40:36
● 2015-06-16 18:07:44
● 2016-12-31 18:34:40
○ 2026-04-01 17:34:04
○NSns2.fabulous.com2008-11-18 → 2008-11-18 · 3 obs
● 2008-11-18 05:40:36
○ 2015-06-16 18:07:44
○ 2026-04-01 17:34:04
●NSpenny.ns.cloudflare.com2026-04-01 → 2026-04-01 · 2 obs
○ 2017-12-11 23:03:56
● 2026-04-01 17:34:04
○MXpostbox.fabulous.com2008-11-18 → 2008-11-18 · 3 obs
● 2008-11-18 05:40:36
○ 2015-06-16 18:07:44
○ 2026-04-01 17:34:04
○A104.148.2.1632017-12-11 → 2017-12-11 · 3 obs
○ 2016-01-19 13:14:28
● 2017-12-11 23:03:56
○ 2026-04-01 17:34:04
○A107.148.1.1832015-06-16 → 2016-01-19 · 5 obs
○ 2008-11-18 05:40:36
● 2015-06-16 18:07:44
● 2016-01-19 13:14:28
○ 2017-12-11 23:03:56
○ 2026-04-01 17:34:04
○A172.64.80.12026-04-01 → 2026-04-01 · 1 obs
○ 2026-04-01 17:34:04
○A216.34.131.1352008-11-18 → 2008-11-18 · 3 obs
● 2008-11-18 05:40:36
○ 2015-06-16 18:07:44
○ 2026-04-01 17:34:04
○A2606:4700:130:436c:6f75:6466:6c61:72652026-04-01 → 2026-04-01 · 1 obs
○ 2026-04-01 17:34:04
●A38.38.135.1122026-04-01 → 2026-04-01 · 2 obs
○ 2017-12-11 23:03:56
● 2026-04-01 17:34:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
yfschool.comdonald.ns.cloudflare.com, penny.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.158

NS records: donald.ns.cloudflare.com, penny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yfschool.com (unsigned zone)

⏱️ Timing

Total: 305ms | Queries: -

📄 Records

TypeCountSample Data
A138.38.135.112
NS2donald.ns.cloudflare.com, penny.ns.cloudflare.com
SOA1donald.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

yfschool.com points to a single IP number: 38.38.135.112.

Name Servers

yfschool.com is delegated to two name servers: donald.ns.cloudflare.com and penny.ns.cloudflare.com.

yfschool.com shares the same name server setup as other domains, for example ligangde.com, bjsfu.net, zxxzzx.com, bjfdclaw.com and sostips.com.

yfschool.com at least partially shares name servers with other domains, for instance synthdynamicslabs.buzz, fidela.org, horizononenode.click, axiscorecore.forum and mewibuexventures8.pics.

These name servers are commonly used with the name servers magnolia.ns.cloudflare.com.

Host names with six IP numbers:

donald.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9e, 2803:f800:50::6ca2:c19e, 2a06:98c1:50::ac40:219e, 108.162.193.158, 172.64.33.158 and 173.245.59.158; penny.ns.cloudflare.com points to: 2606:4700:50::a29f:267c, 2803:f800:50::6ca2:c27c, 2a06:98c1:50::ac40:227c, 108.162.194.124, 162.159.38.124 and 172.64.34.124.