echk.ef.com - dns.ninja
echk.ef.com
ef.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a06:98c1:3103::ac40:90b4🇺🇸 Cloudflare2a06:98c1:3103::/48 ✓ In HTTPS hints | ||||||
| A | 2a06:98c1:310d::6812:2b4c🇺🇸 Cloudflare2a06:98c1:310d::/48 ✓ In HTTPS hints | ||||||
| A | 104.18.43.76Cloudflare104.18.43.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.64.144.180🇺🇸 Cloudflare172.64.144.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jihoon.ns.cloudflare.com ⭐ | ||||||
| NS | tricia.ns.cloudflare.com | ||||||
| MX | efcom.mail.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 | 2a06:98c1:3103::ac40:90b4, 2a06:98c1:310d::6812:2b4c | ||||||
| SOA | jihoon.ns.cloudflare.comdns@cloudflare.com serial=2410995244 | ||||||
rank #6104 globally
rank #3020 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #18,499
Subdomains
mail9999.echk.ef.com |
Same first word
Similar names
DNS History
14 records (14 active, 0 former)
●MXmail2787.educationfirst.mkt3383.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4081.educationfirst.mkt4678.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4082.educationfirst.mkt4679.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4083.educationfirst.mkt4680.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4084.educationfirst.mkt4681.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4085.educationfirst.mkt4682.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail4086.educationfirst.mkt4683.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail7087.educationfirst.mkt7686.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXmail9999.echk.ef.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●MXreply.echk.ef.com2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●A104.18.43.762026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●A172.64.144.1802026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●A2a06:98c1:3103::ac40:90b42026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
●A2a06:98c1:310d::6812:2b4c2026-07-29 → 2026-08-03 · 2 obs
● 2026-08-03 07:08:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, a.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: 158ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.43.76, 172.64.144.180 |
| AAAA | 2 | 2a06:98c1:3103::ac40:90b4, 2a06:98c1:310d::6812:2b4c |
| MX | 10 | reply.echk.ef.com (pri: 10), mail2787.educationfirst.mkt3383.com (pri... |
| TXT | 1 | v=spf1 ip4:129.33.239.44 ip4:208.95.132. |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tricia.ns.cloudflare.com, tricia.ns.cloudflare.com, tricia.ns.cloudflare.com...)
Analysis
Hierarchy
echk.ef.com serves as the parent of mail9999.echk.ef.com.
IP Addresses
echk.ef.com has four IP addresses: 104.18.43.76, 172.64.144.180, 2a06:98c1:3103::ac40:90b4 and 2a06:98c1:310d::6812:2b4c.
Additional host names — xslot.com, campusconnect-learning.ef.com, cloudflare.ef.com and two others — share IP numbers with echk.ef.com.
Mail Servers
Mail for echk.ef.com is routed through 10 mail servers, including mail9999.echk.ef.com, reply.echk.ef.com, mail2787.educationfirst.mkt3383.com and 7 other.
echk.ef.com shares mail servers — at least in part — with other domains, including mail4083.educationfirst.mkt4680.com, educationfirst.mkt4680.com, info.ef.com and two others.
These mail servers are frequently used alongside mail servers mail4081.educationfirst.mkt4678.com, mail4082.educationfirst.mkt4679.com, mail4084.educationfirst.mkt4681.com and 7 other.
Host names pointing to a single IP address:
mail9999.echk.ef.com directs to 208.95.132.62.
reply.echk.ef.com directs to 74.121.50.42.
mail4081.educationfirst.mkt4678.com directs to 74.121.52.58.
mail4082.educationfirst.mkt4679.com directs to 74.121.52.59.
mail4083.educationfirst.mkt4680.com directs to 74.121.52.60.
mail4084.educationfirst.mkt4681.com directs to 74.121.52.61.
mail4085.educationfirst.mkt4682.com directs to 74.121.52.62.
mail4086.educationfirst.mkt4683.com directs to 74.121.52.63.
mail7087.educationfirst.mkt7686.com directs to 129.33.239.44.