buu-edu.com - robtex.com

buu-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:87db🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:1a66🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.102Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.219🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalla.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A2803:f800:50::6ca2:c03e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalla.ns.cloudflare.com
A2a06:98c1:50::ac40:203e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalla.ns.cloudflare.com
A108.162.192.62🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A172.64.32.62🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A173.245.58.62🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
NScoen.ns.cloudflare.com
A2606:4700:58::a29f:2c97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A2803:f800:50::6ca2:c397🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoen.ns.cloudflare.com
A2a06:98c1:50::ac40:2397🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoen.ns.cloudflare.com
A108.162.195.151🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A162.159.44.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A172.64.35.151🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.102, 172.67.135.219
IPv6 hints2606:4700:3031::ac43:87db, 2606:4700:3032::6815:1a66
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOAalla.ns.cloudflare.comdns@cloudflare.com serial=2409166203

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=1784016787

Same first word

buu-edu.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSalla.ns.cloudflare.comcoen.ns.cloudflare.comdns.bizcn.comns1.dns.com.cnns2.dns.com.cnA104.21.26.102172.67.135.2192606:4700:3031::ac43:87db2606:4700:3032::6815:1a66211.157.100.1112606:4700:3033::ac43:87db2606:4700:3035::6815:1a66
●NSalla.ns.cloudflare.com2026-04-08 → 2026-07-14 · 3 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-07-14 08:29:32
●NScoen.ns.cloudflare.com2026-04-08 → 2026-07-14 · 3 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-07-14 08:29:32
○NSdns.bizcn.com2017-03-20 → 2017-03-20 · 4 obs
○ 2015-07-02 15:45:42
● 2017-03-20 08:21:14
○ 2026-04-08 03:41:46
○ 2026-07-14 08:29:32
○NSns1.dns.com.cn2015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 15:45:42
● 2017-03-20 08:21:14
○ 2026-04-08 03:41:46
○ 2026-07-14 08:29:32
○NSns2.dns.com.cn2015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 15:45:42
● 2017-03-20 08:21:14
○ 2026-04-08 03:41:46
○ 2026-07-14 08:29:32
●A104.21.26.1022026-04-08 → 2026-07-14 · 3 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-07-14 08:29:32
●A172.67.135.2192026-04-08 → 2026-07-14 · 3 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-07-14 08:29:32
○A211.157.100.1112015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 15:45:42
● 2017-03-20 08:21:14
○ 2026-04-08 03:41:46
○ 2026-07-14 08:29:32
●A2606:4700:3031::ac43:87db2026-06-26 → 2026-07-14 · 3 obs
○ 2026-04-29 11:02:06
● 2026-06-26 19:19:56
● 2026-07-14 08:29:32
●A2606:4700:3032::6815:1a662026-06-26 → 2026-07-14 · 3 obs
○ 2026-04-29 11:02:06
● 2026-06-26 19:19:56
● 2026-07-14 08:29:32
○A2606:4700:3033::ac43:87db2026-04-08 → 2026-04-29 · 5 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-04-29 11:02:06
○ 2026-06-26 19:19:56
○ 2026-07-14 08:29:32
○A2606:4700:3035::6815:1a662026-04-08 → 2026-04-29 · 5 obs
○ 2017-03-20 08:21:14
● 2026-04-08 03:41:46
● 2026-04-29 11:02:06
○ 2026-06-26 19:19:56
○ 2026-07-14 08:29:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
buu-edu.comalla.ns.cloudflare.com, coen.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.151

NS records: alla.ns.cloudflare.com, coen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.102, 172.67.135.219
AAAA22606:4700:3031::ac43:87db, 2606:4700:3032::6815:1a66
NS2alla.ns.cloudflare.com, coen.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alla.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

buu-edu.com has four IP addresses: 104.21.26.102, 172.67.135.219, 2606:4700:3031::ac43:87db and 2606:4700:3032::6815:1a66.

Two other host names, along with www.fizz.nl, y.vegas-sa.ru and www.blod.info, also share IP numbers with buu-edu.com.

Name Servers

buu-edu.com is served by two delegated name servers, alla.ns.cloudflare.com and coen.ns.cloudflare.com.

buu-edu.com shares its NS records with other domains, for example bpsctask.com, cngux.com, qtscdn.com and two others.

buu-edu.com has at least partial name server overlap with other domains, such as zatumanom.ru, slavehub.com, infoannuaire.fr and two others.

It is common to find these name servers paired with the name servers dara.ns.cloudflare.com.

DNS names with 6 IP addresses:

alla.ns.cloudflare.com carries IP addresses 108.162.192.62, 172.64.32.62 and 173.245.58.62, with 3 other addresses beyond those.

coen.ns.cloudflare.com carries IP addresses 108.162.195.151, 162.159.44.151 and 172.64.35.151, with 3 other addresses beyond those.