`corporatelearning.ef.com`

DNSSEC	⚠️ Not signed
A	108.138.85.11^{🇺🇸 Amazon108.138.80.0/21}
		PTR	`server-108-138-85-11.iad12.r.cloudfront.net`
A	108.138.85.28^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.57^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.85^{🇺🇸 Amazon108.138.80.0/21}
NS	`ns-1122.awsdns-12.org` ⭐
		A	2600:9000:5304:6200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1122.awsdns-12.org`
		A	205.251.196.98^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1122.awsdns-12.org`
NS	`ns-1994.awsdns-57.co.uk`
		A	2600:9000:5307:ca00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1994.awsdns-57.co.uk`
		A	205.251.199.202^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1994.awsdns-57.co.uk`
NS	`ns-458.awsdns-57.com`
		A	2600:9000:5301:ca00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-458.awsdns-57.com`
		A	205.251.193.202^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-458.awsdns-57.com`
NS	`ns-967.awsdns-56.net`
		A	2600:9000:5303:c700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-967.awsdns-56.net`
		A	205.251.195.199^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-967.awsdns-56.net`
TXT	`google-site-verification=xNcXrAaon9ELhcme-nA0U46esxOndGJgxtphtqpSGpA`
SOA	`ns-1122.awsdns-12.org`awsdns-hostmaster@amazon.com serial=1

`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 , 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	2a06:98c1:3101::6812:2b4c, 2a06:98c1:310c::ac40:90b4
SOA	`jihoon.ns.cloudflare.com`dns@cloudflare.com serial=2407003608

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

Same first word

corporatelearning.com.mx

corporatelearning.com

DNS History

40 records (8 active, 32 former)

●NSns-1122.awsdns-12.org2026-04-16 → 2026-06-16 · 2 obs

● 2026-04-16 20:38:34
● 2026-06-16 02:11:42

●NSns-1994.awsdns-57.co.uk2026-04-16 → 2026-06-16 · 2 obs

● 2026-04-16 20:38:34
● 2026-06-16 02:11:42

●NSns-458.awsdns-57.com2026-04-16 → 2026-06-16 · 2 obs

● 2026-04-16 20:38:34
● 2026-06-16 02:11:42

●NSns-967.awsdns-56.net2026-04-16 → 2026-06-16 · 2 obs

● 2026-04-16 20:38:34
● 2026-06-16 02:11:42

○A108.138.233.112026-04-17 → 2026-06-11 · 80 obs

○ 2026-04-16 20:38:34
● 2026-04-17 10:17:08
● 2026-04-18 21:25:32
○ 2026-04-19 15:25:38
○ 2026-04-20 06:53:14
● 2026-04-21 20:41:42
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○ 2026-04-23 12:27:26
● 2026-04-23 14:01:08
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● 2026-04-23 18:48:22
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● 2026-04-24 06:45:12
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● 2026-05-01 03:23:48
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● 2026-05-07 00:14:52
● 2026-05-07 01:50:10
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● 2026-05-09 11:32:02
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● 2026-05-10 17:32:34
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○ 2026-06-12 04:01:56
○ 2026-06-16 02:11:42

○A108.138.233.1142026-04-17 → 2026-06-11 · 80 obs

○A108.138.233.142026-04-17 → 2026-06-11 · 80 obs

○A108.138.233.772026-04-17 → 2026-06-11 · 80 obs

●A108.138.85.112026-04-19 → 2026-06-16 · 13 obs

○ 2026-04-19 15:25:38
● 2026-04-19 22:53:46
● 2026-04-20 06:53:14
○ 2026-04-21 20:41:42
○ 2026-05-22 16:35:30
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○ 2026-05-24 12:35:58
○ 2026-06-12 04:01:56
● 2026-06-16 02:11:38
● 2026-06-16 02:11:42

●A108.138.85.282026-04-19 → 2026-06-16 · 13 obs

●A108.138.85.572026-04-19 → 2026-06-16 · 13 obs

●A108.138.85.852026-04-19 → 2026-06-16 · 13 obs

○A13.249.141.1052026-05-20 → 2026-06-02 · 17 obs

○ 2026-05-19 13:14:18
● 2026-05-20 00:47:54
○ 2026-05-22 16:35:30
○ 2026-05-23 00:05:38
● 2026-05-23 04:02:28
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○ 2026-05-29 15:40:54
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● 2026-06-02 03:03:58
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○ 2026-06-16 02:11:42

○A13.249.141.1202026-05-20 → 2026-06-02 · 17 obs

○A13.249.141.272026-05-20 → 2026-06-02 · 17 obs

○A13.249.141.622026-05-20 → 2026-06-02 · 17 obs

○A13.33.109.572026-04-22 → 2026-05-17 · 50 obs

○ 2026-04-21 20:41:42
● 2026-04-22 22:06:18
● 2026-04-23 12:27:26
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● 2026-05-14 03:30:40
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○ 2026-05-15 18:49:18
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● 2026-05-17 09:41:42
● 2026-05-17 12:06:36
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○ 2026-06-16 02:11:42

○A13.33.109.762026-04-22 → 2026-05-17 · 50 obs

○A13.33.109.872026-04-22 → 2026-05-17 · 50 obs

○A13.33.109.982026-04-22 → 2026-05-17 · 50 obs

○A13.33.129.32026-05-06 → 2026-06-01 · 22 obs

○ 2026-05-06 02:50:26
● 2026-05-06 15:08:14
● 2026-05-06 16:22:36
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○A13.33.129.342026-05-06 → 2026-06-01 · 22 obs

○A13.33.129.642026-05-06 → 2026-06-01 · 22 obs

○A13.33.129.682026-05-06 → 2026-06-01 · 22 obs

○A13.35.163.1012026-05-30 → 2026-05-30 · 5 obs

○ 2026-05-29 15:40:54
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○A13.35.163.1052026-05-30 → 2026-05-30 · 5 obs

○ 2026-05-29 15:40:54
● 2026-05-30 03:37:06
● 2026-05-30 04:54:34
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○A13.35.163.572026-05-30 → 2026-05-30 · 5 obs

○ 2026-05-29 15:40:54
● 2026-05-30 03:37:06
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○A13.35.163.992026-05-30 → 2026-05-30 · 5 obs

○ 2026-05-29 15:40:54
● 2026-05-30 03:37:06
● 2026-05-30 04:54:34
○ 2026-05-30 13:53:40
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○A18.155.21.1062026-04-24 → 2026-06-09 · 44 obs

○ 2026-04-24 06:45:12
● 2026-04-24 16:59:10
○ 2026-04-25 00:40:50
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● 2026-04-25 18:10:26
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○A18.155.21.1172026-04-24 → 2026-06-09 · 44 obs

○A18.155.21.262026-04-24 → 2026-06-09 · 44 obs

○A18.155.21.422026-04-24 → 2026-06-09 · 44 obs

○A18.239.168.142026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 11:01:40
● 2026-05-07 14:35:08
○ 2026-05-08 00:19:54
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○A18.239.168.332026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 11:01:40
● 2026-05-07 14:35:08
○ 2026-05-08 00:19:54
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○A18.239.168.42026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 11:01:40
● 2026-05-07 14:35:08
○ 2026-05-08 00:19:54
○ 2026-06-16 02:11:42

○A18.239.168.702026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-07 11:01:40
● 2026-05-07 14:35:08
○ 2026-05-08 00:19:54
○ 2026-06-16 02:11:42

○A3.175.14.242026-04-16 → 2026-04-19 · 6 obs

● 2026-04-16 20:38:34
○ 2026-04-17 10:17:08
○ 2026-04-18 21:25:32
● 2026-04-19 15:25:38
○ 2026-04-19 22:53:46
○ 2026-06-16 02:11:42

○A3.175.14.402026-04-16 → 2026-04-19 · 6 obs

● 2026-04-16 20:38:34
○ 2026-04-17 10:17:08
○ 2026-04-18 21:25:32
● 2026-04-19 15:25:38
○ 2026-04-19 22:53:46
○ 2026-06-16 02:11:42

○A3.175.14.982026-04-16 → 2026-04-19 · 6 obs

● 2026-04-16 20:38:34
○ 2026-04-17 10:17:08
○ 2026-04-18 21:25:32
● 2026-04-19 15:25:38
○ 2026-04-19 22:53:46
○ 2026-06-16 02:11:42

○A3.175.14.992026-04-16 → 2026-04-19 · 6 obs

● 2026-04-16 20:38:34
○ 2026-04-17 10:17:08
○ 2026-04-18 21:25:32
● 2026-04-19 15:25:38
○ 2026-04-19 22:53:46
○ 2026-06-16 02:11:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ef.com	tricia.ns.cloudflare.com, jihoon.ns.cloudflare.com	12 records
corporatelearning.ef.com	ns-1122.awsdns-12.org, ns-1994.awsdns-57.co.uk, ns-458.awsdns-57.com, ns-967.awsdns-56.net	-

✅ Authoritative Response

Server:205.251.195.199

NS records: ns-1122.awsdns-12.org, ns-1994.awsdns-57.co.uk, ns-458.awsdns-57.com, ns-967.awsdns-56.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ef.com (unsigned zone)

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.28, 108.138.85.85...`
NS	4	`ns-1122.awsdns-12.org, ns-1994.awsdns-57.co.uk...`
TXT	1	`google-site-verification=xNcXrAaon9ELhcm`
SOA	1	`ns-1122.awsdns-12.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

corporatelearning.ef.com has four IP addresses: 108.138.85.11, 108.138.85.28, 108.138.85.57 and 108.138.85.85.

Name Servers

corporatelearning.ef.com has four authoritative name servers: ns-458.awsdns-57.com, ns-967.awsdns-56.net, ns-1122.awsdns-12.org and ns-1994.awsdns-57.co.uk.

ns-458.awsdns-57.com, ns-967.awsdns-56.net, ns-1122.awsdns-12.org and ns-1994.awsdns-57.co.uk all point to exactly two IP numbers each: ns-458.awsdns-57.com → 205.251.193.202 and 2600:9000:5301:ca00::1; ns-967.awsdns-56.net → 205.251.195.199 and 2600:9000:5303:c700::1; ns-1122.awsdns-12.org → 205.251.196.98 and 2600:9000:5304:6200::1; ns-1994.awsdns-57.co.uk → 205.251.199.202 and 2600:9000:5307:ca00::1.

corporatelearning.ef.com - robtex.com