prepforprep.org - robtex.com

prepforprep.org

DNSSEC⚠️ Not signed
A54.209.77.18🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix
PTRec2-54-209-77-18.compute-1.amazonaws.com
NSaragorn.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b43🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaragorn.ns.cloudflare.com
A2803:f800:50::6ca2:c143🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaragorn.ns.cloudflare.com
A2a06:98c1:50::ac40:2143🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaragorn.ns.cloudflare.com
A108.162.193.67🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaragorn.ns.cloudflare.com
A172.64.33.67🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaragorn.ns.cloudflare.com
A173.245.59.67🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaragorn.ns.cloudflare.com
NScortney.ns.cloudflare.com
A2606:4700:50::adf5:3a57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A2803:f800:50::6ca2:c057🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcortney.ns.cloudflare.com
A2a06:98c1:50::ac40:2057🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcortney.ns.cloudflare.com
A108.162.192.87🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A172.64.32.87🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A173.245.58.87🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(30)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(40)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
TXTMS=ms36929465
TXTV7ibGsgg
TXTasv=23ef5b706c24c564349a1cfe0743e9c1
TXTgoogle-site-verification=muyUceof3MHTtTo36OJHISdVEd1BaGlneBsEcVVBQvI
TXTintacct-esk=EE05DCFE9D8D21E5E0530C06A8C0C631
TXTpardot1072202=0540b1f893bcfbeb9f8a899a7f42ca7c8b1a0b5affc3ac16bd90183f748fc8f1
TXTsending_domain1072202=c4d23a5906dec5a7a895e4bc82807a0afde7cbe915e3af45c04830c...
TXTslack-domain-verification=DWkfBjeNwswm3GASz4tqyEpA8H4lYjmU6ZR3QA3p
TXTv=spf1 mx a include:sendgrid.net include:_spf.google.com include:myschoolnoti...
SOAaragorn.ns.cloudflare.comdns@cloudflare.com serial=2397238870

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953
WOT: SAFE (84/100)

Subdomains

www.prepforprep.org

Same first word

prepforprep.org
prepforprep.com

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSaragorn.ns.cloudflare.comcortney.ns.cloudflare.coma.ns.broadviewnet.netb.ns.broadviewnet.netc.ns.broadviewnet.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comA54.209.77.1874.123.152.82
○NSa.ns.broadviewnet.net2015-07-04 → 2017-03-25 · 4 obs
● 2015-07-04 17:35:44
● 2017-03-25 02:12:58
○ 2017-08-17 06:36:10
○ 2026-03-17 10:26:16
●NSaragorn.ns.cloudflare.com2017-08-17 → 2026-03-17 · 3 obs
○ 2017-03-25 02:12:58
● 2017-08-17 06:36:10
● 2026-03-17 10:26:16
○NSb.ns.broadviewnet.net2015-07-04 → 2017-03-25 · 4 obs
● 2015-07-04 17:35:44
● 2017-03-25 02:12:58
○ 2017-08-17 06:36:10
○ 2026-03-17 10:26:16
○NSc.ns.broadviewnet.net2015-07-04 → 2017-03-25 · 4 obs
● 2015-07-04 17:35:44
● 2017-03-25 02:12:58
○ 2017-08-17 06:36:10
○ 2026-03-17 10:26:16
●NScortney.ns.cloudflare.com2017-08-17 → 2026-03-17 · 3 obs
○ 2017-03-25 02:12:58
● 2017-08-17 06:36:10
● 2026-03-17 10:26:16
●MXalt1.aspmx.l.google.com2015-07-04 → 2026-03-17 · 2 obs
● 2015-07-04 17:35:44
● 2026-03-17 10:26:16
●MXalt2.aspmx.l.google.com2015-07-04 → 2026-03-17 · 2 obs
● 2015-07-04 17:35:44
● 2026-03-17 10:26:16
●MXalt3.aspmx.l.google.com2015-07-04 → 2026-03-17 · 2 obs
● 2015-07-04 17:35:44
● 2026-03-17 10:26:16
●MXaspmx.l.google.com2015-07-04 → 2026-03-17 · 2 obs
● 2015-07-04 17:35:44
● 2026-03-17 10:26:16
●A54.209.77.182016-06-26 → 2026-03-17 · 3 obs
○ 2016-03-07 10:57:24
● 2016-06-26 18:11:36
● 2026-03-17 10:26:16
○A74.123.152.822015-07-04 → 2016-03-07 · 4 obs
● 2015-07-04 17:35:44
● 2016-03-07 10:57:24
○ 2016-06-26 18:11:36
○ 2026-03-17 10:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
prepforprep.orgcortney.ns.cloudflare.com, aragorn.ns.cloudflare.com-

✅ Authoritative Response

Server: 108.162.193.67

NS records: cortney.ns.cloudflare.com, aragorn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prepforprep.org (unsigned zone)

⏱️ Timing

Total: 761ms | Queries: -

📄 Records

TypeCountSample Data
A154.209.77.18
NS2aragorn.ns.cloudflare.com, cortney.ns.cloudflare.com
MX4aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT9MS=ms36929465, V7ibGsgg...
SOA1aragorn.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

www.prepforprep.org is a child of prepforprep.org.

IP Addresses

prepforprep.org resolves to one IP number: 54.209.77.18.

Other host names, for instance ehs1.org, burkeschool.org, woodberry.org, wareacademy.org and calvertschoolmd.org share IP numbers with prepforprep.org.

Name Servers

prepforprep.org's delegation uses two name servers: aragorn.ns.cloudflare.com and cortney.ns.cloudflare.com.

prepforprep.org uses the same name server setup as other domains, such as vadavo.com, foxbridge.com, sx-sp.com, vz.fi and newsanjuan.com.

prepforprep.org at least partially shares name servers with other domains, including 69es.com, borgman.be, yuenai.id, mhlanga.co.za and dizzys.org.

These name servers are commonly used together with the name servers fatima.ns.cloudflare.com, serena.ns.cloudflare.com, uma.ns.cloudflare.com and roxy.ns.cloudflare.com.

Host names with six IP numbers:

aragorn.ns.cloudflare.com points to 2606:4700:58::adf5:3b43, 2803:f800:50::6ca2:c143, 2a06:98c1:50::ac40:2143, 108.162.193.67, 172.64.33.67 and 173.245.59.67.

cortney.ns.cloudflare.com points to 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87.

Mail Servers

prepforprep.org is handled by four mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

prepforprep.org shares at least some mail servers with other domains, for example ns500759.ns500698.ns500759.ns500735.ns500736.ns500736.ns500698.ns500736.ns500735.ns500698.ns500576.ns500619.ns500576.trackreceptor.com, unicast.nu, ns500731.ns500731.ns500671.ns500754.ns500671.ns500291.ns500678.ns500291.ns500666.ns500653.ns500153.tenderladiesbz.com, ns500765.ns500693.ns500734.ns500699.ns500734.ns500699.ns500693.ns500734.ns500699.ns500693.ns500693.ns500693.ns500693.ns500588.ns500578.ns500110.dtrkdll.com and ns500699.ns500693.ns500734.ns500734.ns500699.ns500734.ns500699.ns500693.ns500588.ns500588.ns500588.ns500588.ns500683.ns500110.dtrkdll.com.

These mail servers are commonly used with alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.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.