bufschool.com - robtex.com

bufschool.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:56d6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:88e3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.214Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.227🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmeiling.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26fe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A2803:f800:50::6ca2:c2fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmeiling.ns.cloudflare.com
A2a06:98c1:50::ac40:22fe🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmeiling.ns.cloudflare.com
A108.162.194.254🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A162.159.38.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A172.64.34.254🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
NSnash.ns.cloudflare.com
A2606:4700:58::adf5:3bd1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A2803:f800:50::6ca2:c1d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnash.ns.cloudflare.com
A2a06:98c1:50::ac40:21d1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnash.ns.cloudflare.com
A108.162.193.209🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A172.64.33.209🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A173.245.59.209🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.214, 172.67.136.227
IPv6 hints2606:4700:3030::6815:56d6, 2606:4700:3035::ac43:88e3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOAmeiling.ns.cloudflare.comdns@cloudflare.com serial=2404406746

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=1782063010
rank #800072 globally
rank #358984 in the tld

Same first word

bufschool.com

DNS History

10 records (6 active, 4 former)

20192020202120222023202420252026NSmeiling.ns.cloudflare.comnash.ns.cloudflare.comns-1091.awsdns-08.orgns-1735.awsdns-24.co.ukns-622.awsdns-13.netns-69.awsdns-08.comA104.21.86.214172.67.136.2272606:4700:3030::6815:56d62606:4700:3035::ac43:88e3
●NSmeiling.ns.cloudflare.com2026-05-22 → 2026-06-21 · 3 obs
○ 2018-09-18 05:56:40
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40
●NSnash.ns.cloudflare.com2026-05-22 → 2026-06-21 · 3 obs
○ 2018-09-18 05:56:40
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40
○NSns-1091.awsdns-08.org2018-09-18 → 2018-09-18 · 3 obs
● 2018-09-18 05:56:40
○ 2026-05-22 07:23:06
○ 2026-06-21 17:48:40
○NSns-1735.awsdns-24.co.uk2018-09-18 → 2018-09-18 · 3 obs
● 2018-09-18 05:56:40
○ 2026-05-22 07:23:06
○ 2026-06-21 17:48:40
○NSns-622.awsdns-13.net2018-09-18 → 2018-09-18 · 3 obs
● 2018-09-18 05:56:40
○ 2026-05-22 07:23:06
○ 2026-06-21 17:48:40
○NSns-69.awsdns-08.com2018-09-18 → 2018-09-18 · 3 obs
● 2018-09-18 05:56:40
○ 2026-05-22 07:23:06
○ 2026-06-21 17:48:40
●A104.21.86.2142026-05-22 → 2026-06-21 · 2 obs
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40
●A172.67.136.2272026-05-22 → 2026-06-21 · 2 obs
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40
●A2606:4700:3030::6815:56d62026-05-22 → 2026-06-21 · 2 obs
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40
●A2606:4700:3035::ac43:88e32026-05-22 → 2026-06-21 · 2 obs
● 2026-05-22 07:23:06
● 2026-06-21 17:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bufschool.comnash.ns.cloudflare.com, meiling.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.254

NS records: nash.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bufschool.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.136.227, 104.21.86.214
AAAA22606:4700:3030::6815:56d6, 2606:4700:3035::ac43:88e3
NS2meiling.ns.cloudflare.com, nash.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1meiling.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bufschool.com points to the four IP addresses 104.21.86.214, 172.67.136.227, 2606:4700:3030::6815:56d6 and 2606:4700:3035::ac43:88e3.

Two other host names, along with heyacdn.com, suespeaks.org and tcasquad.com, also share IP numbers with bufschool.com.

Name Servers

bufschool.com uses two name servers for its delegation: meiling.ns.cloudflare.com and nash.ns.cloudflare.com.

bufschool.com shares its NS records with other domains, for example phawatschool.com, modulsoft.org, kiwieducate.com and two others.

There is at least partial name server overlap between bufschool.com and other domains — sakhaprofs.org, flarefocusdynamics.pics, novaedge360.pics and two more among them.

The name servers vasilii.ns.cloudflare.com, donna.ns.cloudflare.com and aspen.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

Hostname meiling.ns.cloudflare.com directs to 108.162.194.254, 162.159.38.254 and 172.64.34.254 along with 3 other IP addresses.

Hostname nash.ns.cloudflare.com directs to 108.162.193.209, 172.64.33.209 and 173.245.59.209 along with 3 other IP addresses.