info.ef.com - dns.ninja

info.ef.com

DNSSEC⚠️ Not signed
MXreply.educationfirst.mkt3383.com ⭐
MXreply.info.ef.com ⭐
A74.121.50.42
PTRreply.mkt41.net
MXmail2787.educationfirst.mkt3383.com(20)
MXmail4081.educationfirst.mkt4678.com(20)
A74.121.52.58🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail4082.educationfirst.mkt4679.com(20)
A74.121.52.59🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail4083.educationfirst.mkt4680.com(20)
A74.121.52.60🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail4084.educationfirst.mkt4681.com(20)
A74.121.52.61🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail4085.educationfirst.mkt4682.com(20)
A74.121.52.62🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail4086.educationfirst.mkt4683.com(20)
A74.121.52.63🇺🇸 Amazon74.121.52.0/24 EC2 Prefix
MXmail7087.educationfirst.mkt7686.com(20)
A129.33.239.44🇺🇸 Amazon129.33.239.0/24 EC2 Prefix
TXTgoogle-site-verification=Uk4IcAPma8cYCzrvWj2X4odA879zmBqYWKCzgQqKJW0
TXTv=spf1 ip4:129.33.239.44 ip4:74.112.65.171 ip4:74.121.52.58 ip4:74.121.52.59 ...

ef.com

DNSSEC⚠️ Not signed
A2a06:98c1:3103::ac40:90b4🇺🇸 Cloudflare2a06:98c1:3103::/48 ✓ In HTTPS hints
A2a06:98c1:310d::6812:2b4c🇺🇸 Cloudflare2a06:98c1:310d::/48 ✓ In HTTPS hints
A104.18.43.76Cloudflare104.18.43.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.144.180🇺🇸 Cloudflare172.64.144.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjihoon.ns.cloudflare.com ⭐
NStricia.ns.cloudflare.com
MXefcom.mail.protection.outlook.com ⭐
TXTSFMC-ItSDn8I-_WPvDgP5QDjuQCbSdPKgZIJJcL1iuKfk
TXTSendinblue-code:3b4d41269b4df351be1c8f1189329766
TXTZOOM_verify_i21AZ_z1RiCfS0dEosj0uw
TXTZQjWmyMMEAcM2JUKuBCQNaGG/p5Fk3h8ei5G1YIKdmOrNx6GiphKRqgyb3KAf7mRUeIspkoX+L2es...
TXT_361l8dnf91sfr841ds82d3je2fy35t9
TXT_n1erml6nlo4atf8dfskj3fgpy4wnlaq
TXTadobe-idp-site-verification=e647ef23ee05d9b047987fd9e8c8cd2b519bc84349e1f6ddb...
TXTaliyun-site-verification=88317b51-c089-4094-be4c-ac9b98500deb
TXTamazonses:V3vAdLKApvqHOoy6diFc5VRsGzfi3z2tGE0FPg/IDDs=
TXTamazonses:a677pw4glw5rFrEbwGscSc2VElj6Q7gjDYvGjD+Ok8s=
TXTanthropic-domain-verification-b87znz=85aHFIVOvsdkvn71ZFo7izc5o
TXTapple-domain-verification=3_jpDJipYQI4_6yNolBXp0L8QX251AeIRbSmmKigcEE
TXTapple-domain-verification=hr2LYfzQYFUVC7Qf
TXTas=1568111888
TXTasv=7328be92dc8e81d6ae473b8348472e37
TXTatlassian-domain-verification=5/8xNXzJgidFT4+gz1mBv3oO//Imgdn4t7UgwV4v4KcrP1+...
TXTatlassian-domain-verification=7N7voUyjPrLNjbTWcOL65746uUThn5Af8+wfbbwM/zpFMtw...
TXTatlassian-domain-verification=iUyEJfC7rAC91HZbQI9k6+Zo5rQllv2G8IK19dYEzRmthC8...
TXTatlassian-domain-verification=qQgMM8iyVskttk2KlGmktyvHdEMGZF1AkzbCZKYEq4OHW77...
TXTatlassian-domain-verification=zmQ0q8CpyRnSPCtkYxCmzZ1d99cTeAzGIu7dR4EFQOUleEC...
TXTcanva-site-verification=pm3R30MVZBfAmd0BNeBAGA
TXTcursor-domain-verification-7vfyg8=7AzgD8A9IIRO1i1t5tFH2XJYW
TXTdnp1cgszf00xq5tlkw3p9p7wl232m9mq
TXTgoogle-site-verification=YifwZA32Cd3BWWmPIqQez_Z5kmHlnzR6Msx-AsrSmKw
TXTgoogle-site-verification=auQ-4DOUjDGrU5X6tpviSwR2ng0xqs7WvMU5kJDPKiU
TXTgoogle-site-verification=s_RxVeIztieRZw1nnozp1QhLxPTUrL2ljGBmDi_-_Po
TXTlastpass-N#23c@htz%W^$UZT!RhgDfdOE7$M&9Km277YjS@ZNWTMDOxd#V@p5RTbC8MI15V$VcnE...
TXTlinear-domain-verification=5msk3qv8d29y
TXTlovable_verification=dRdWWMlhd8BWt4SplQnx
TXTmiro-verification=c143776b28571137649848a613b058dc31463ca1
TXTmongodb-site-verification=qBXcSoyIwQYkIQYLbgDJ2hHevZey2Ps2
TXTmongodb-site-verification=tyz4iJXYkkT6v9At7hlc64C6A8PuosXu
TXTnorthpass-domain-verification=fedd3b6d621f033e9e563b678b0770ee
TXTnotion-domain-verification=XH1JmClmZIwN9757ZB2qt97UnUxNywtyUgje5S5SVuq
TXTonetrust-domain-verification=42cc6f29b8944d1b829dd4a861404975
TXTpardot848123=1644e8a4968e1386a832d2eaa0f15cea68f2dc4014bd60c10eb7e88e99caff5b
TXTpardot848123=dfa2026bbfbd11501997c14f1e517a954a195a9acc81c56dd18bae3f5b476820
TXTqCEF214/pE8wOgBsipGHcD2y91lM5rS7YAwcIA2ovM7Lxbvm+LGD7lGP//+IDSX5z4bTNn36HYKRO...
TXTqmjjvn6131hdwl0m11bvgbr7hhds1q3t
TXTsite24x7-domain-verification=e416a5f9c47ef32e346440561ece9fb3
TXTv=msv1 t=5a826e43b6be0f4da8ab8427e5830d
TXTv=spf1 include:_u.ef.com._spf.smart.ondmarc.com -all
TXTwrike-verification=MjI5MzUxNTplYWM5OTQ4ODA1NTg4ZGNiNmNiMWZjMzk3YmNmOGNiZmY3Mm...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.43.76, 172.64.144.180
IPv6 hints2a06:98c1:3103::ac40:90b4, 2a06:98c1:310d::6812:2b4c
SOAjihoon.ns.cloudflare.comdns@cloudflare.com serial=2410995244
WOT: SAFE (88/100)
rank #6104 globally
rank #3020 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #18,499

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DNS History

11 records (10 active, 1 former)

202120222023202420252026MXmail2787.educationfirst.mkt3383.commail4081.educationfirst.mkt4678.commail4082.educationfirst.mkt4679.commail4083.educationfirst.mkt4680.commail4084.educationfirst.mkt4681.commail4085.educationfirst.mkt4682.commail4086.educationfirst.mkt4683.commail7087.educationfirst.mkt7686.comreply.educationfirst.mkt3383.comreply.info.ef.comA209.235.2.50
●MXmail2787.educationfirst.mkt3383.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4081.educationfirst.mkt4678.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4082.educationfirst.mkt4679.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4083.educationfirst.mkt4680.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4084.educationfirst.mkt4681.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4085.educationfirst.mkt4682.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail4086.educationfirst.mkt4683.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXmail7087.educationfirst.mkt7686.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXreply.educationfirst.mkt3383.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
●MXreply.info.ef.com2020-04-05 → 2026-08-03 · 2 obs
● 2020-04-05 15:43:38
● 2026-08-03 05:20:50
○A209.235.2.502020-04-05 → 2020-04-05 · 3 obs
● 2020-04-05 15:43:38
○ 2026-07-30 01:39:50
○ 2026-08-03 05:20:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...-
ef.comtricia.ns.cloudflare.com, jihoon.ns.cloudflare.com12 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: 208ms | Queries: -

📄 Records

TypeCountSample Data
MX10reply.educationfirst.mkt3383.com (pri: 1, reply.info.ef.com (pri: 10)...
TXT2google-site-verification=Uk4IcAPma8cYCzr, v=spf1 ip4:129.33.239.44 ip4:74.112.65.1

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Servers

info.ef.com uses 10 mail servers for delivery: reply.info.ef.com, mail2787.educationfirst.mkt3383.com, reply.educationfirst.mkt3383.com and 7 other.

info.ef.com shares at least some of its mail servers with other domains — for example educationfirst.mkt4678.com, mail4085.educationfirst.mkt4682.com, educationfirst.mkt4683.com and two more.

It is common to find these mail servers paired with mail servers mail4081.educationfirst.mkt4678.com, mail4082.educationfirst.mkt4679.com, mail4086.educationfirst.mkt4683.com and 7 more.

Hosts that resolve to one IP address:

reply.info.ef.com points to the IP address 74.121.50.42.

mail4081.educationfirst.mkt4678.com points to the IP address 74.121.52.58.

mail4082.educationfirst.mkt4679.com points to the IP address 74.121.52.59.

mail4083.educationfirst.mkt4680.com points to the IP address 74.121.52.60.

mail4084.educationfirst.mkt4681.com points to the IP address 74.121.52.61.

mail4085.educationfirst.mkt4682.com points to the IP address 74.121.52.62.

mail4086.educationfirst.mkt4683.com points to the IP address 74.121.52.63.

mail7087.educationfirst.mkt7686.com points to the IP address 129.33.239.44.