`ef.edu`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:a8b^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6812:b8b^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.10.139^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.11.139^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`anirban.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anirban.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c140^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anirban.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2140^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anirban.ns.cloudflare.com`
		A	108.162.193.64^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anirban.ns.cloudflare.com`
		A	172.64.33.64^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anirban.ns.cloudflare.com`
		A	173.245.59.64^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anirban.ns.cloudflare.com`
NS	`pam.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pam.ns.cloudflare.com`
		A	108.162.192.138^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	172.64.32.138^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	173.245.58.138^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
MX	`ef-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`MS=ms91420459`
TXT	`apple-domain-verification=uErNznOjZDKenbQJ`
TXT	`figma-domain-verification=N#23c@htz%W^$UZT!RhgDfdOE7$M&9Km277YjS@ZNWTMDOxd#V@...`
TXT	`google-site-verification=OB6slSHnl7qabTA1WdeGGN7a0CA8aGQ3mp8TiCr_02c`
TXT	`google-site-verification=p4eyt8Wiy9AsMoIrTXhwxvmB8fdKWrkVpEFQbFuBUMs`
TXT	`lastpass-N#23c@htz%W^$UZT!RhgDfdOE7$M&9Km277YjS@ZNWTMDOxd#V@p5RTbC8MI15V$VcnE...`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include...`
SOA	`anirban.ns.cloudflare.com`dns@cloudflare.com serial=2397011474

`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=1771608165

rank #92535 globally
rank #1229 in the tld
WOT: SAFE (62/100)
📈 Tranco rank: #173,681

Up

www.ef.edu

bc.ef.edu

Same first word

ef.biz

ef.co.cr

ef.readthedocs.io

ef.co.kr

ef.hu

ef.sg

ef.jor.br

ef.gs

ef.gm

ef.ae

ef.cr

ef.pt

ef.tj

ef.com.mt

ef.edu.pt

ef.com.ua

ef.com.sa

ef.ma

ef.co.hu

ef.ac.me

ef.team

ef.to

ef.id

ef.cl

ef.world

ef.in.th

ef.af

ef.com.es

ef.university

ef.design

ef.is

ef.co.at

ef.uk.com

ef.com.hk

ef.mus.br

ef.gd

ef.net

ef.cc

ef.md

ef.co.ve

ef.com.ly

ef.org.pl

ef.network

ef.org

ef.center

ef.camp

ef.lk

ef.ms

ef.com.co

ef.ro

ef.nl

ef.rw

ef.com

ef.de

ef.mn

ef.energy

ef.fr

ef.co.uk

ef.spb.ru

ef.sk

ef.com.tr

ef.pl

ef.business

ef.nu

ef.fi

ef.be

ef.am

ef.kz

ef.academy

ef.com.mx

ef.cz

ef.careers

ef.ru

ef.com.tw

ef.edu.pe

ef.co.th

ef.bw

ef.co.ao

ef.co

ef.institute

ef.ee

ef.com.ec

ef.com.vn

ef.co.id

ef.gy

ef.vc

ef.no

ef.js.org

ef.asia

ef.si

ef.com.cn

ef.om

ef.su

ef.tn

ef.by

ef.lc

ef.com.ar

ef.lt

ef.dz

ef.fyi

ef.hr

ef.dk

ef.co.ae

ef.com.pe

ef.ca

ef.do

ef.media

ef.com.fr

ef.at

ef.se

ef.com.br

ef.com.do

ef.cn

ef.edu

Similar names

fe.gd

fe.fyi

fe.gov.mz

fe.org.pe

fe.gs

fe.js.cn

fe.ua

fe.dev

fe.co

fe.fo

fe.seg.br

fe.services

fe.foundation

fe.cn

fe.ee

fe.pe

fe.su

fe.ge

fe.ma

fe.sg

fe.marketing

fe.ru

fe.lc

fe.pl

fe.je

fe.fi

fe.business

fe.com.tr

fe.vc

fe.ax

fe.net.au

fe.biz

fe.nl

fe.is

fe.se

fe.ms

fe.gallery

fe.sh

DNS History

13 records (7 active, 6 former)

●NSanirban.ns.cloudflare.com2026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

○NSns.domainnetwork.se2015-09-01 → 2021-06-10 · 4 obs

● 2015-09-01 02:21:42
● 2021-06-10 05:42:50
○ 2026-02-15 23:32:52
○ 2026-02-26 03:32:16

○NSns2.domainnetwork.se2015-09-01 → 2021-06-10 · 4 obs

● 2015-09-01 02:21:42
● 2021-06-10 05:42:50
○ 2026-02-15 23:32:52
○ 2026-02-26 03:32:16

●NSpam.ns.cloudflare.com2026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

○MXas1.ef.com2015-09-01 → 2017-09-21 · 4 obs

● 2015-09-01 02:21:42
● 2017-09-21 19:26:56
○ 2019-08-08 21:02:22
○ 2026-02-26 03:32:16

○MXas2.ef.com2015-09-01 → 2017-09-21 · 4 obs

● 2015-09-01 02:21:42
● 2017-09-21 19:26:56
○ 2019-08-08 21:02:22
○ 2026-02-26 03:32:16

○MXas3.ef.com2015-09-01 → 2017-09-21 · 4 obs

● 2015-09-01 02:21:42
● 2017-09-21 19:26:56
○ 2019-08-08 21:02:22
○ 2026-02-26 03:32:16

●MXef-edu.mail.protection.outlook.com2015-09-01 → 2026-02-26 · 2 obs

● 2015-09-01 02:21:42
● 2026-02-26 03:32:16

●A104.18.10.1392026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

●A104.18.11.1392026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

●A2606:4700::6812:a8b2026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

●A2606:4700::6812:b8b2026-02-15 → 2026-02-26 · 3 obs

○ 2021-06-10 05:42:50
● 2026-02-15 23:32:52
● 2026-02-26 03:32:16

○A54.77.114.1452015-09-01 → 2021-06-10 · 4 obs

● 2015-09-01 02:21:42
● 2021-06-10 05:42:50
○ 2026-02-15 23:32:52
○ 2026-02-26 03:32:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
ef.edu	pam.ns.cloudflare.com, anirban.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.64

NS records: pam.ns.cloudflare.com, anirban.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ef.edu (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.11.139, 104.18.10.139`
AAAA	2	`2606:4700::6812:b8b, 2606:4700::6812:a8b`
NS	2	`anirban.ns.cloudflare.com, pam.ns.cloudflare.com`
MX	1	`ef-edu.mail.protection.outlook.com (pri:`
TXT	7	`MS=ms91420459, apple-domain-verification=uErNznOjZDKenb...`
SOA	1	`anirban.ns.cloudflare.com dns.cloudflare`

AI analysis

ef.edu is a parent of www.ef.edu and bc.ef.edu.

ef.edu maps to four IP numbers: 2606:4700::6812:a8b, 2606:4700::6812:b8b, 104.18.10.139 and 104.18.11.139.

Other host names, for instance ef.am, ef.kz, ef.com.mx, efswiss.ch and ef.com.tw share IP numbers with ef.edu.

Two name servers anirban.ns.cloudflare.com and pam.ns.cloudflare.com are delegated to ef.edu.

ef.edu uses the same name server configuration as other domains, such as careers.ef.com, ef.md, ef.co.ve, ef.com.ly and bizlaw-agent.com.

ef.edu at least partially shares name servers with other domains such as whatwillfuelthefuture.com, preyuk.com, fsfsdmx.com, handsomeindo.com and rusensi.com.

These name servers are commonly used with vasilii.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names with six IP numbers: Host name anirban.ns.cloudflare.com points to 2606:4700:58::adf5:3b40, 2803:f800:50::6ca2:c140, 2a06:98c1:50::ac40:2140, 108.162.193.64, 172.64.33.64 and 173.245.59.64; host name pam.ns.cloudflare.com points to 2606:4700:50::adf5:3a8a, 2803:f800:50::6ca2:c08a, 2a06:98c1:50::ac40:208a, 108.162.192.138, 172.64.32.138 and 173.245.58.138.

ef.edu is handled by a single mail server, ef-edu.mail.protection.outlook.com.

ef-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::e, 52.101.68.5, 52.101.68.21, 52.101.73.6 and 52.101.73.28.

ef.edu - robtex.com

ef.edu

edu

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

AI analysis

`ef.edu`

`edu`