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`studyguides.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:86f^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	2606:4700:20::681a:96f^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	2606:4700:20::ac43:4529^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	104.26.8.111^Cloudflare ✓ In HTTPS hints
A	104.26.9.111^Cloudflare ✓ In HTTPS hints
A	172.67.69.41^{🇺🇸 Cloudflare} ✓ In HTTPS hints
NS	`christina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^Cloudflare
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare}
			PTR	`christina.ns.cloudflare.com`
NS	`patryk.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7a^{🇺🇸 Cloudflare}
			PTR	`patryk.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37a^{🇨🇷 Cloudflare}
			PTR	`patryk.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237a^{🇺🇸 Cloudflare}
			PTR	`patryk.ns.cloudflare.com`
		A	108.162.195.122^{🇺🇸 Cloudflare}
			PTR	`patryk.ns.cloudflare.com`
		A	162.159.44.122^Cloudflare
			PTR	`patryk.ns.cloudflare.com`
		A	172.64.35.122^{🇺🇸 Cloudflare}
			PTR	`patryk.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google}
			PTR	`gg-in-f27.1e100.net`
TXT	`google-site-verification=3QmFyhL8ROxcYfmtflQj2su0CsKwbodnUTvzWrSolAE`
TXT	`google-site-verification=LUKkmHRZqi7yz83ebdPYKzRnB4HL29rWK6BeC6x2MYw`
TXT	`v=spf1 include:dc-aa8e722993._spfm.studyguides.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.8.111, 104.26.9.111, 172.67.69.41
		IPv6	2606:4700:20::681a:86f, 2606:4700:20::681a:96f, 2606:4700:20::ac43:4529
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2396297905

`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=1771291435

📈 Tranco rank: #643,084

Same first word

studyguides.net.au

studyguides.info

studyguides.com

DNS History

28 records (13 active, 15 former)

●NSchristina.ns.cloudflare.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

○NSns-us.1and1-dns.com2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○NSns-us.1and1-dns.de2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○NSns-us.1and1-dns.org2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○NSns-us.1and1-dns.us2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○NSns29.domaincontrol.com2020-02-29 → 2020-02-29 · 4 obs

○ 2017-01-31 20:51:38
● 2020-02-29 07:33:34
○ 2026-02-14 20:03:44
○ 2026-02-18 02:11:16

○NSns29.worldnic.com2015-06-20 → 2016-01-21 · 4 obs

● 2015-06-20 14:45:00
● 2016-01-21 20:31:26
○ 2016-05-02 20:58:46
○ 2026-02-18 02:11:16

○NSns30.domaincontrol.com2020-02-29 → 2020-02-29 · 4 obs

○ 2017-01-31 20:51:38
● 2020-02-29 07:33:34
○ 2026-02-14 20:03:44
○ 2026-02-18 02:11:16

○NSns30.worldnic.com2015-06-20 → 2016-01-21 · 4 obs

● 2015-06-20 14:45:00
● 2016-01-21 20:31:26
○ 2016-05-02 20:58:46
○ 2026-02-18 02:11:16

●NSpatryk.ns.cloudflare.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●MXalt1.aspmx.l.google.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●MXalt2.aspmx.l.google.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●MXalt3.aspmx.l.google.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●MXalt4.aspmx.l.google.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●MXaspmx.l.google.com2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

○MXinbound.studyguides.com.netsolmail.net2015-06-20 → 2016-01-21 · 4 obs

● 2015-06-20 14:45:00
● 2016-01-21 20:31:26
○ 2016-05-02 20:58:46
○ 2026-02-18 02:11:16

○MXmx00.1and1.com2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○MXmx01.1and1.com2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

●A104.26.8.1112026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●A104.26.9.1112026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

○A107.180.6.522020-02-29 → 2020-02-29 · 4 obs

○ 2017-01-31 20:51:38
● 2020-02-29 07:33:34
○ 2026-02-14 20:03:44
○ 2026-02-18 02:11:16

●A172.67.69.412026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

○A206.188.192.422015-06-20 → 2016-01-21 · 4 obs

● 2015-06-20 14:45:00
● 2016-01-21 20:31:26
○ 2016-05-02 20:58:46
○ 2026-02-18 02:11:16

●A2606:4700:20::681a:86f2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●A2606:4700:20::681a:96f2026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

●A2606:4700:20::ac43:45292026-02-14 → 2026-02-18 · 3 obs

○ 2020-02-29 07:33:34
● 2026-02-14 20:03:44
● 2026-02-18 02:11:16

○A2607:f1c0:1000:4032:71c7:6e9f:30ba:181b2016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

○A74.208.219.1772016-05-02 → 2017-01-31 · 5 obs

○ 2016-01-21 20:31:26
● 2016-05-02 20:58:46
● 2017-01-31 20:51:38
○ 2020-02-29 07:33:34
○ 2026-02-18 02:11:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyguides.com	christina.ns.cloudflare.com, patryk.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.193

NS records: christina.ns.cloudflare.com, patryk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyguides.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.69.41, 104.26.9.111...`
AAAA	3	`2606:4700:20::ac43:4529, 2606:4700:20::681a:86f...`
NS	2	`christina.ns.cloudflare.com, patryk.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=3QmFyhL8ROxcYfm, google-site-verification=LUKkmHRZqi7yz83...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`christina.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 12

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

AI analysis

studyguides.com maps to six IPs: 2606:4700:20::681a:86f, 2606:4700:20::681a:96f, 2606:4700:20::ac43:4529, 104.26.8.111, 104.26.9.111 and 172.67.69.41.

Other host names, for instance cdn.rapalloav.co.nz, blackbull.news, pushinteractive.com.au, www.documentoeletronico.com.br and fello.com share IP numbers with studyguides.com.

studyguides.com's delegation uses two name servers: christina.ns.cloudflare.com and patryk.ns.cloudflare.com.

studyguides.com uses the same name server setup as other domains, such as kuroiru.co, hackazon.org, nodo.agency, awsaustralia.com.au and claritywealthadvisors.info.

studyguides.com at least partially shares name servers with other domains, including bundautv.com, kvhgl.com, zjtxtextiles.com, oenaj.io and anandoorjs.com.

These name servers are commonly used together with the name servers meilani.ns.cloudflare.com, nikon.ns.cloudflare.com, sofia.ns.cloudflare.com and aaron.ns.cloudflare.com.

Host names with six IP numbers:

christina.ns.cloudflare.com points to 2606:4700:50::a29f:26c1, 2803:f800:50::6ca2:c2c1, 2a06:98c1:50::ac40:22c1, 108.162.194.193, 162.159.38.193 and 172.64.34.193.

patryk.ns.cloudflare.com points to 2606:4700:58::a29f:2c7a, 2803:f800:50::6ca2:c37a, 2a06:98c1:50::ac40:237a, 108.162.195.122, 162.159.44.122 and 172.64.35.122.

studyguides.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

studyguides.com shares at least some mail servers with other domains, for example ns500754.ns500671.ns500731.ns500671.ns500742.ns500671.ns500754.ns500731.ns500671.ns500678.ns500671.ns500671.tenderladiesbz.com, ns500699.ns500693.ns500734.ns500734.ns500693.ns500693.ns500693.ns500588.ns500588.ns500612.ns500588.ns500612.ns500588.ns500588.dtrkdll.com, ns500758.ns500758.ns500759.ns500758.ns500698.ns500698.ns500736.ns500736.ns500698.ns500735.ns500576.ns500708.trackreceptor.com, ns500768.ns500758.ns500698.ns500698.ns500698.ns500698.ns500735.ns500698.ns500576.ns500698.ns500698.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com and ns500759.ns500759.ns500698.ns500758.ns500736.ns500698.ns500698.ns500698.ns500698.ns500698.ns500708.ns500698.ns500708.trackreceptor.com.

these mail servers commonly accompany aspmx3.googlemail.com, aspmx2.googlemail.com and aspmx4.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27.