em.studypool.com - dns.ninja

`em.studypool.com`

CNAME	`sendgrid.net`
DNSSEC	⚠️ Not signed
A	3.79.130.38^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
		PTR	`ec2-3-79-130-38.eu-central-1.compute.amazonaws.com`
A	18.158.228.216^{🇩🇪 Amazon18.156.0.0/14 EC2 FRA prefix}
A	46.51.200.92^{🇮🇪 Amazon46.51.192.0/20 EU AWS Dublin}
A	54.216.50.79^{🇮🇪 Amazon54.216.0.0/15 EC2 DUB prefix}
NS	`ns10.dnsmadeeasy.com` ⭐
		A	2600:1800:10::1^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
		A	208.94.148.4^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
NS	`ns11.dnsmadeeasy.com`
		A	2600:1801:11::1^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
		A	208.80.124.4^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
NS	`ns12.dnsmadeeasy.com`
		A	2600:1802:12::1^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
		A	208.80.126.4^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
NS	`ns13.dnsmadeeasy.com`
		A	2600:1801:13::1^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
		A	208.80.125.4^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
NS	`ns14.dnsmadeeasy.com`
		A	2600:1802:14::1^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
		A	208.80.127.4^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
NS	`ns15.dnsmadeeasy.com`
		A	2600:1800:15::1^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
		A	208.94.149.4^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
MX	`mx2.sendgrid.net` ⭐
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
MX	`mx.sendgrid.net`⁽²⁰⁾
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
TXT	`mailru-verification: 2e3995fa8a7d00e0`
TXT	`google-site-verification=1UEf8ey-RibUjY6gnpqIZFjWNqMknmeyeHz1zTmj0DE`
TXT	`utjqqjvmeadmlva41ectre9gd3`
TXT	`cemmvnbghpsb500d7c19e35fgm`
TXT	`v=spf1 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144...`
TXT	`l8bqrl0r33q4joeb79q8uuj009`
TXT	`6ifgg010qg6mquqt5lodun8qds`
TXT	`i52uk89q4nfe1mpgqv5qsmsj3j.`
TXT	`yahoo-verification-key=TrufSXS+dfythA5AIMbLUnkX38rjr1HR93gbqHUSY74=`
TXT	`5m3r13nvilmq8tgf5foh6ki1uv`
TXT	`p8bnb2lp424dkl3c4io1aemiei`
SOA	`ns10.dnsmadeeasy.com`dns@dnsmadeeasy.com serial=2011298714

`studypool.com`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:1ad4^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:aa1a^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.26.212^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.170.26^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
NS	`lola.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`google-site-verification=jc7G0He7gKZfHeR9c7-V9mR8NIV21DNrFCFRIJwJiEM`
TXT	`include:smtp1.uservoice.com`
TXT	`v=spf1 include:sendgrid.net include:_spf.google.com ~all`
TXT	`xg42hzqrvj2zy65b461s8qhqks2rv0hr`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.20.26.212, 172.66.170.26
		IPv6 hints	2606:4700:10::6814:1ad4, 2606:4700:10::ac42:aa1a
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2411145297

rank #77695 globally
rank #36817 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #34,919

Same first word

em.qa

em.tel

em.eu

em.net

em.ag

em.la

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em.wtf

em.gl

em.cafe

em.co.nz

em.sa

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em.com.lb

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em.no

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em.com.au

em.cx

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em.under.jp

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em.pt

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em.nu

em.fi

em.co.kr

em.gen.tr

em.imb.br

em.capital

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em.gallery

em.co

em.business

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em.shoes

em.com.br

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em.co.th

em.org

em.directory

em.co.za

em.digital

em.al

em.tips

em.com.mt

em.biz

em.me

em.i234.me

em.money

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DNS History

12 records (1 active, 11 former)

○NSns10.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○NSns11.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○NSns12.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○NSns13.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○NSns14.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○NSns15.dnsmadeeasy.com2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○MXmx.sendgrid.net2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○MXmx2.sendgrid.net2015-11-11 → 2016-05-30 · 3 obs

● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○A167.89.125.302015-11-11 → 2016-05-30 · 4 obs

○ 2015-09-03 08:55:20
● 2015-11-11 02:01:10
● 2016-05-30 17:30:46
○ 2026-08-06 11:30:30

○A198.37.144.922015-09-03 → 2015-09-03 · 2 obs

● 2015-09-03 08:55:20
○ 2026-08-06 11:30:30

○A198.37.144.992015-09-03 → 2015-09-03 · 2 obs

● 2015-09-03 08:55:20
○ 2026-08-06 11:30:30

●CNAMEsendgrid.net2015-09-03 → 2026-08-06 · 2 obs

● 2015-09-03 08:55:20
● 2026-08-06 11:30:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
studypool.com	alex.ns.cloudflare.com, lola.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.100

NS records: alex.ns.cloudflare.com, lola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studypool.com (unsigned zone)

⏱️ Timing

Total: 1376ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`sendgrid.net`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

em.studypool.com points to the four IP addresses 3.79.130.38, 18.158.228.216, 46.51.200.92 and 54.216.50.79.

Additional host names — ec2-46-51-200-92.eu-west-1.compute.amazonaws.com, mail.lessaccounting.com, ec2-3-79-130-38.eu-central-1.compute.amazonaws.com and two others — share IP numbers with em.studypool.com.

Name Servers

em.studypool.com has 6 name servers — ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com and 3 others.

There is at least partial name server overlap between em.studypool.com and other domains — ismfm.org.il, a21.org, clientlook.com and two more among them.

These name servers regularly appear alongside ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com, ns15.dnsmadeeasy.com and 6 other name servers in NS record sets.

Host names with two IP numbers:

ns10.dnsmadeeasy.com resolves to 208.94.148.4 and 2600:1800:10::1.

ns11.dnsmadeeasy.com resolves to 208.80.124.4 and 2600:1801:11::1.

ns12.dnsmadeeasy.com resolves to 208.80.126.4 and 2600:1802:12::1.

ns13.dnsmadeeasy.com resolves to 208.80.125.4 and 2600:1801:13::1.

ns14.dnsmadeeasy.com resolves to 208.80.127.4 and 2600:1802:14::1.

ns15.dnsmadeeasy.com resolves to 208.94.149.4 and 2600:1800:15::1.

Mail Servers

em.studypool.com has two mail servers: mx2.sendgrid.net and mx.sendgrid.net.

em.studypool.com shares the same mail server setup as other domains, including idnyc.nyc.gov, url420.boosteroid.com, *.mayfield.realoms.com and two others.

em.studypool.com shares mail servers — at least in part — with other domains, including chessnuke.com, u35822278.wl029.sendgrid.net, u2316941.wl192.sendgrid.net and two others.

These mail servers are frequently used alongside mail servers mx3.sendgrid.net, mx4.sendgrid.net, mx5.sendgrid.net and 6 other.

Host names with 12 IP numbers:

mx.sendgrid.net points to 3.17.120.38, 3.136.245.72, 13.216.54.185 and 9 other IP addresses.

Host names with 9 IP numbers:

mx2.sendgrid.net points to 3.17.120.38, 3.136.245.72, 13.216.54.185 and 6 other IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 3.17.120.38 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 3.136.245.72 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 13.216.54.185 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 18.224.101.244 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 34.198.67.24 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 44.216.124.122 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 44.245.249.202 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 52.25.213.239 IP addresses.

The host names mx.sendgrid.net and mx2.sendgrid.net both resolve to 52.37.49.26 IP addresses.