`ef.com`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3101::6812:2b4c^{🇺🇸 Cloudflare2a06:98c1:3101::/48} ✓ In HTTPS hints
A	2a06:98c1:310c::ac40:90b4^{🇺🇸 Cloudflare2a06:98c1:310c::/48} ✓ In HTTPS hints
A	104.18.43.76^{Cloudflare104.18.43.0/24} ✓ In HTTPS hints
A	172.64.144.180^{🇺🇸 Cloudflare172.64.144.0/24} ✓ In HTTPS hints
NS	`jihoon.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce9^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c3e9^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:23e9^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.233^{Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.233^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.233^{Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`tricia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae8^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0e8^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20e8^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.232^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.232^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.232^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`efcom.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`SFMC-ItSDn8I-_WPvDgP5QDjuQCbSdPKgZIJJcL1iuKfk`
TXT	`Sendinblue-code:3b4d41269b4df351be1c8f1189329766`
TXT	`ZOOM_verify_i21AZ_z1RiCfS0dEosj0uw`
TXT	`ZQjWmyMMEAcM2JUKuBCQNaGG/p5Fk3h8ei5G1YIKdmOrNx6GiphKRqgyb3KAf7mRUeIspkoX+L2es...`
TXT	`_361l8dnf91sfr841ds82d3je2fy35t9`
TXT	`_n1erml6nlo4atf8dfskj3fgpy4wnlaq`
TXT	`adobe-idp-site-verification=e647ef23ee05d9b047987fd9e8c8cd2b519bc84349e1f6ddb...`
TXT	`aliyun-site-verification=88317b51-c089-4094-be4c-ac9b98500deb`
TXT	`amazonses:V3vAdLKApvqHOoy6diFc5VRsGzfi3z2tGE0FPg/IDDs=`
TXT	`amazonses:a677pw4glw5rFrEbwGscSc2VElj6Q7gjDYvGjD+Ok8s=`
TXT	`anthropic-domain-verification-b87znz=85aHFIVOvsdkvn71ZFo7izc5o`
TXT	`apple-domain-verification=3_jpDJipYQI4_6yNolBXp0L8QX251AeIRbSmmKigcEE`
TXT	`apple-domain-verification=hr2LYfzQYFUVC7Qf`
TXT	`as=1568111888`
TXT	`asv=7328be92dc8e81d6ae473b8348472e37`
TXT	`atlassian-domain-verification=5/8xNXzJgidFT4+gz1mBv3oO//Imgdn4t7UgwV4v4KcrP1+...`
TXT	`atlassian-domain-verification=7N7voUyjPrLNjbTWcOL65746uUThn5Af8+wfbbwM/zpFMtw...`
TXT	`atlassian-domain-verification=iUyEJfC7rAC91HZbQI9k6+Zo5rQllv2G8IK19dYEzRmthC8...`
TXT	`atlassian-domain-verification=qQgMM8iyVskttk2KlGmktyvHdEMGZF1AkzbCZKYEq4OHW77...`
TXT	`atlassian-domain-verification=zmQ0q8CpyRnSPCtkYxCmzZ1d99cTeAzGIu7dR4EFQOUleEC...`
TXT	`canva-site-verification=pm3R30MVZBfAmd0BNeBAGA`
TXT	`cursor-domain-verification-7vfyg8=7AzgD8A9IIRO1i1t5tFH2XJYW`
TXT	`dnp1cgszf00xq5tlkw3p9p7wl232m9mq`
TXT	`google-site-verification=YifwZA32Cd3BWWmPIqQez_Z5kmHlnzR6Msx-AsrSmKw`
TXT	`google-site-verification=auQ-4DOUjDGrU5X6tpviSwR2ng0xqs7WvMU5kJDPKiU`
TXT	`google-site-verification=s_RxVeIztieRZw1nnozp1QhLxPTUrL2ljGBmDi_-_Po`
TXT	`lastpass-N#23c@htz%W^$UZT!RhgDfdOE7$M&9Km277YjS@ZNWTMDOxd#V@p5RTbC8MI15V$VcnE...`
TXT	`linear-domain-verification=5msk3qv8d29y`
TXT	`lovable_verification=dRdWWMlhd8BWt4SplQnx`
TXT	`miro-verification=c143776b28571137649848a613b058dc31463ca1`
TXT	`mongodb-site-verification=qBXcSoyIwQYkIQYLbgDJ2hHevZey2Ps2`
TXT	`mongodb-site-verification=tyz4iJXYkkT6v9At7hlc64C6A8PuosXu`
TXT	`northpass-domain-verification=fedd3b6d621f033e9e563b678b0770ee`
TXT	`notion-domain-verification=XH1JmClmZIwN9757ZB2qt97UnUxNywtyUgje5S5SVuq`
TXT	`onetrust-domain-verification=42cc6f29b8944d1b829dd4a861404975`
TXT	`pardot848123=1644e8a4968e1386a832d2eaa0f15cea68f2dc4014bd60c10eb7e88e99caff5b`
TXT	`pardot848123=dfa2026bbfbd11501997c14f1e517a954a195a9acc81c56dd18bae3f5b476820`
TXT	`qCEF214/pE8wOgBsipGHcD2y91lM5rS7YAwcIA2ovM7Lxbvm+LGD7lGP//+IDSX5z4bTNn36HYKRO...`
TXT	`qmjjvn6131hdwl0m11bvgbr7hhds1q3t`
TXT	`site24x7-domain-verification=e416a5f9c47ef32e346440561ece9fb3`
TXT	`v=msv1 t=5a826e43b6be0f4da8ab8427e5830d`
TXT	`v=spf1 include:_u.ef.com._spf.smart.ondmarc.com -all`
TXT	`wrike-verification=MjI5MzUxNTplYWM5OTQ4ODA1NTg4ZGNiNmNiMWZjMzk3YmNmOGNiZmY3Mm...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.43.76, 172.64.144.180
		IPv6 hints	2a06:98c1:3101::6812:2b4c, 2a06:98c1:310c::ac40:90b4
SOA	`jihoon.ns.cloudflare.com`dns@cloudflare.com serial=2407003608

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781563545

rank #5862 globally
rank #2895 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #17,242

Subdomains

emails.ef.com

bc.ef.com

usb-ssjss01.ef.com

click.ef.com

e1helixs3.ef.com

mta3.ef.com

evc.ef.com

jobs.ef.com

odin.ef.com

elektrasvc.ef.com

stargate.ef.com

prod-cdn.ef.com

marketing.ef.com

hello.ef.com

emailenglish.ef.com

corporatelearning.ef.com

stargate-qa.ef.com

ilab.ef.com

mediaqa.ef.com

saudi.ef.com

e1tabsparkler.ef.com

englishlive.ef.com

www.ef.com

e1tableau.ef.com

mcloud.ef.com

corporate.ef.com

globalnet.ef.com

study.ef.com

efekta.ef.com

careers.ef.com

cloudposeidon.ef.com

mta2.ef.com

Same first word

ef.chat

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

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.uk

ef.school

ef.je

ef.edu.pt

ef.com.ua

ef.com.sa

ef.ma

ef.co.hu

ef.ac.me

ef.team

ef.studio

ef.to

ef.id

ef.cl

ef.world

ef.in.th

ef.af

ef.com.es

ef.university

ef.design

ef.eu

ef.is

ef.co.at

ef.uk.com

ef.com.hk

ef.mus.br

ef.gd

ef.net

ef.lv

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.com.sg

ef.schule

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.ag

ef.ee

ef.com.ec

ef.com.vn

ef.co.id

ef.gov.sa

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

DNS History

14 records (7 active, 7 former)

●NSjihoon.ns.cloudflare.com2021-06-10 → 2026-06-15 · 3 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
● 2026-06-15 23:10:18

○NSns.domainnetwork.se2015-09-03 → 2019-08-13 · 4 obs

● 2015-09-03 03:58:46
● 2019-08-13 06:38:36
○ 2021-06-10 05:42:44
○ 2026-06-15 23:10:18

○NSns2.domainnetwork.se2015-09-03 → 2019-08-13 · 4 obs

● 2015-09-03 03:58:46
● 2019-08-13 06:38:36
○ 2021-06-10 05:42:44
○ 2026-06-15 23:10:18

●NStricia.ns.cloudflare.com2021-06-10 → 2026-06-15 · 3 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
● 2026-06-15 23:10:18

●MXefcom.mail.protection.outlook.com2015-09-03 → 2026-06-15 · 2 obs

● 2015-09-03 03:58:46
● 2026-06-15 23:10:18

○A104.18.18.1352021-06-10 → 2021-06-10 · 4 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
○ 2026-02-14 21:25:26
○ 2026-06-15 23:10:18

○A104.18.19.1352021-06-10 → 2021-06-10 · 4 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
○ 2026-02-14 21:25:26
○ 2026-06-15 23:10:18

●A104.18.43.762026-02-14 → 2026-06-15 · 3 obs

○ 2021-06-10 05:42:44
● 2026-02-14 21:25:26
● 2026-06-15 23:10:18

●A172.64.144.1802026-02-14 → 2026-06-15 · 3 obs

○ 2021-06-10 05:42:44
● 2026-02-14 21:25:26
● 2026-06-15 23:10:18

○A2606:4700::6812:12872021-06-10 → 2021-06-10 · 4 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
○ 2026-02-14 21:25:26
○ 2026-06-15 23:10:18

○A2606:4700::6812:13872021-06-10 → 2021-06-10 · 4 obs

○ 2019-08-13 06:38:36
● 2021-06-10 05:42:44
○ 2026-02-14 21:25:26
○ 2026-06-15 23:10:18

●A2a06:98c1:3101::6812:2b4c2026-02-14 → 2026-06-15 · 3 obs

○ 2021-06-10 05:42:44
● 2026-02-14 21:25:26
● 2026-06-15 23:10:18

●A2a06:98c1:310c::ac40:90b42026-02-14 → 2026-06-15 · 3 obs

○ 2021-06-10 05:42:44
● 2026-02-14 21:25:26
● 2026-06-15 23:10:18

○A54.77.114.1452015-09-03 → 2019-08-13 · 4 obs

● 2015-09-03 03:58:46
● 2019-08-13 06:38:36
○ 2021-06-10 05:42:44
○ 2026-06-15 23:10:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ef.com	tricia.ns.cloudflare.com, jihoon.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.233

NS records: tricia.ns.cloudflare.com, jihoon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ef.com (unsigned zone)

⏱️ Timing

Total: 858ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.43.76, 172.64.144.180`
AAAA	2	`2a06:98c1:3101::6812:2b4c, 2a06:98c1:310c::ac40:90b4`
NS	2	`jihoon.ns.cloudflare.com, tricia.ns.cloudflare.com`
MX	1	`efcom.mail.protection.outlook.com (pri:`
TXT	43	`SFMC-ItSDn8I-_WPvDgP5QDjuQCbSdPKgZIJJcL1, Sendinblue-code:3b4d41269b4df351be1c8f11...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jihoon.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

ef.com is the parent domain of emails.ef.com, bc.ef.com, usb-ssjss01.ef.com, click.ef.com, e1helixs3.ef.com and a few other host names.

IP Addresses

ef.com has four IP addresses: 104.18.43.76, 172.64.144.180, 2a06:98c1:3101::6812:2b4c and 2a06:98c1:310c::ac40:90b4.

Among the host names that share IP numbers with ef.com are www.omio.ie, iloveimg.com, toysoptout.com and two others.

Name Servers

ef.com is delegated to two name servers: jihoon.ns.cloudflare.com and tricia.ns.cloudflare.com.

ef.com has the same name server delegation as a number of other domains, such as kirr.cc, homeaytm.com, 78k7.com and two more.

Host names resolving to 6 IP numbers:

jihoon.ns.cloudflare.com resolves to 108.162.195.233, 162.159.44.233, 172.64.35.233 and 3 other IP addresses.

tricia.ns.cloudflare.com resolves to 108.162.192.232, 172.64.32.232, 173.245.58.232 and 3 other IP addresses.

Mail Servers

ef.com routes its mail through a single mail server, efcom.mail.protection.outlook.com.

ef.com has the same mail server arrangement as a number of other domains, for example efeducation.it, goahead.it, ef.com.cdn.cloudflare.net and two more.

efcom.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.12, 52.101.68.16 and 52.101.68.32, along with 5 other.

ef.com - robtex.com

ef.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ef.com`

`com`