buf.edu - dns.ninja

`buf.edu`

DNSSEC	⚠️ Not signed
A	20.119.144.23^{🇺🇸 Microsoft20.64.0.0/10}
NS	`brian.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c24^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c324^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2324^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brian.ns.cloudflare.com`
		A	108.162.195.36^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	162.159.44.36^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	172.64.35.36^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
NS	`elinore.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
MX	`buf-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
TXT	`MS=ms49885819`
TXT	`MS=ms66909684`
TXT	`ZOOM_verify_tH5UNbECpF2QPtAgmr8pt0`
TXT	`adobe-idp-site-verification=267bcc278ab14aaf1e41f3488a8a06a658aa9172013e63415...`
TXT	`docusign=c325fd75-a8cd-461a-a1a2-3ac0cdd85ec8`
TXT	`f6tkY6HabwHrOS3cgybl2m3XjmA3Ce3zp2ZqpEmom3aM/YmpMO1uKsnTVSozWnBUCkajsxv9a0wPq...`
TXT	`sophos-domain-verification=1433b0ce596532b5c0fe725ba357cafdc64e842314480143df...`
TXT	`v=spf1 mx ip4:12.145.115.130 ip4:12.145.115.132 ip4:169.47.153.30 include:spf...`
SOA	`brian.ns.cloudflare.com`dns@cloudflare.com serial=2411021472

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1786123749

Subdomains

www.buf.edu

Same first word

buf.com

buf.ro

buf.cn

buf.fr

buf.dev

buf.su

buf.co

buf.build

buf.biz

buf.dk

buf.email

buf.com.pl

buf.tech

buf.online

buf.me

buf.at

buf.mobi

buf.com.tr

buf.ch

buf.net

buf.pl

buf.cz

buf.jp

buf.io

buf.org

buf.si

buf.eu

buf.ca

buf.co.za

buf.ru

buf.us

buf.de

buf.edu

Similar names

bfu.no

fbu.world

ubf.pl

fub.ca

ufb.co.il

fbu.co

ubf.lk

fub.no

ubf.hu

bfu.ai

ufb.co

ubf.com.tr

bfu.org

fub.ag

fub.eu

fbu.ru

fbu.at

bfu.net

fub.ru

ubf.org.ua

fbu.de

fbu.edu.uy

ufb.co.nz

fub.se

fub.at

fbu.no

ubf.ru

bfu.com.ar

ubf.co

fub.com.au

fbu.us

bfu.gr

ufb.cn

fub.fail

ufb.ca

ufb.mobi

fbu.pl

fub.org

fbu.ng

fbu.ca

ufb.ro

ubf.org.hk

fub.ch

fub.com

fub.co.za

ufb.nl

bfu.pe

ufb.no

bfu.ru

fbu.ro

fub.ro

ufb.es

fub.direct

fub.com.cn

fbu.dk

ubf.org

ubf.se

fbu.lol

fbu.net.ua

ufb.it

fbu.cn

ufb.org.ua

fub.co.kr

bfu.nl

bfu.com.br

ufb.jp

ubf.com.my

fbu.cc

ubf.consulting

fub.fr

fub.de

fub.pl

bfu.de

ubf.biz

ufb.org

fub.net

fub.nl

ubf.fr

bfu.it

ufb.fr

fbu.fr

fbu.com.pl

ufb.be

bfu.cz

ubf.nl

DNS History

4 records (4 active, 0 former)

●NSbrian.ns.cloudflare.com2026-02-18 → 2026-08-07 · 2 obs

● 2026-02-18 08:49:50
● 2026-08-07 17:30:52

●NSelinore.ns.cloudflare.com2026-02-18 → 2026-08-07 · 2 obs

● 2026-02-18 08:49:50
● 2026-08-07 17:30:52

●MXbuf-edu.mail.protection.outlook.com2026-02-18 → 2026-08-07 · 2 obs

● 2026-02-18 08:49:50
● 2026-08-07 17:30:52

●A20.119.144.232026-02-18 → 2026-08-07 · 2 obs

● 2026-02-18 08:49:50
● 2026-08-07 17:30:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
buf.edu	elinore.ns.cloudflare.com, brian.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.153

NS records: elinore.ns.cloudflare.com, brian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buf.edu (unsigned zone)

⏱️ Timing

Total: 443ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.119.144.23`
NS	2	`brian.ns.cloudflare.com, elinore.ns.cloudflare.com`
MX	1	`buf-edu.mail.protection.outlook.com (pri`
TXT	8	`MS=ms49885819, MS=ms66909684...`
SOA	1	`brian.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

buf.edu is a parent domain of www.buf.edu.

IP Addresses

buf.edu points to a single IP number: 20.119.144.23.

Additional host names — susettecoiffeur.com, trovve.com, wmarketnyc.com and two others — share IP numbers with buf.edu.

Name Servers

The NS records for buf.edu delegate to brian.ns.cloudflare.com and elinore.ns.cloudflare.com.

buf.edu shares its name server setup with other domains, including jans-home.de, schroeder-dueren.de, buharuzmani3.com and two others.

buf.edu shares at least some of its name servers with other domains, including aether-tek.com, antdownloadmanager.com, sustainablematerialschemistry.org and two others.

These name servers are frequently paired with the name servers terin.ns.cloudflare.com and julio.ns.cloudflare.com.

Host names with 6 IP numbers:

brian.ns.cloudflare.com maps to 108.162.195.36, 162.159.44.36, 172.64.35.36 and 3 additional IP addresses.

elinore.ns.cloudflare.com maps to 108.162.192.153, 172.64.32.153, 173.245.58.153 and 3 additional IP addresses.

Mail Servers

buf.edu has one mail server: buf-edu.mail.protection.outlook.com.

buf-edu.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.2, 52.101.40.0, 52.101.40.4 and 5 other.