oneprep.com - dns.ninja

`oneprep.com`

DNSSEC	⚠️ Not signed
A	18.160.15.61^{🇺🇸 Amazon18.160.15.0/24}
		PTR	`server-18-160-15-61.iad12.r.cloudfront.net`
A	18.160.15.118^{🇺🇸 Amazon18.160.15.0/24}
A	18.160.15.144^{🇺🇸 Amazon18.160.15.0/24}
A	18.160.15.224^{🇺🇸 Amazon18.160.15.0/24}
NS	`ns-1389.awsdns-45.org` ⭐
		A	2600:9000:5305:6d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1389.awsdns-45.org`
		A	205.251.197.109^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1389.awsdns-45.org`
NS	`ns-1707.awsdns-21.co.uk`
		A	2600:9000:5306:ab00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1707.awsdns-21.co.uk`
		A	205.251.198.171^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1707.awsdns-21.co.uk`
NS	`ns-240.awsdns-30.com`
		A	2600:9000:5300:f000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-240.awsdns-30.com`
		A	205.251.192.240^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-240.awsdns-30.com`
NS	`ns-633.awsdns-15.net`
		A	2600:9000:5302:7900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-633.awsdns-15.net`
		A	205.251.194.121^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-633.awsdns-15.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=tQUo7sYWYQ4HiuolLEiokf8rHMiwMbrO6u7sD2GlHkE`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-1389.awsdns-45.org`awsdns-hostmaster@amazon.com serial=1

`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=1781692025

Subdomains

www.oneprep.com

api.oneprep.com

Same first word

oneprep.co

oneprep.xyz

oneprep.com

Similar names

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preopen.com

openerp.es

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pee(0x706f726e).com

renepop.nl

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openrep.com

openerp.pro

openerp.cn

openerp.me

openerp.gr

prepone.com

pee(0x706f726e).net

openerp.no

openepr.com

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openerp.co.kr

propene.com

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openerp.net.cn

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propeen.com

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openerp.com.ve

openerp.lu

DNS History

59 records (13 active, 46 former)

●NSns-1389.awsdns-45.org2026-02-22 → 2026-06-17 · 3 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●NSns-1707.awsdns-21.co.uk2026-02-22 → 2026-06-17 · 3 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●NSns-240.awsdns-30.com2026-02-22 → 2026-06-17 · 3 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●NSns-633.awsdns-15.net2026-02-22 → 2026-06-17 · 3 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

○NSns1.namebrightdns.com2015-07-05 → 2018-08-12 · 7 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
○ 2015-11-10 04:09:36
● 2015-11-24 09:04:50
● 2018-08-12 06:03:52
○ 2026-02-22 17:38:48
○ 2026-06-17 10:47:16

○NSns2.namebrightdns.com2015-07-05 → 2018-08-12 · 7 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
○ 2015-11-10 04:09:36
● 2015-11-24 09:04:50
● 2018-08-12 06:03:52
○ 2026-02-22 17:38:48
○ 2026-06-17 10:47:16

○NSnsg1.namebrightdns.com2015-07-05 → 2015-11-10 · 5 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
● 2015-11-10 04:09:36
○ 2015-11-24 09:04:50
○ 2026-06-17 10:47:16

○NSnsg2.namebrightdns.com2015-11-10 → 2015-11-10 · 4 obs

○ 2015-07-05 02:26:18
● 2015-11-10 04:09:36
○ 2015-11-24 09:04:50
○ 2026-06-17 10:47:16

●MXalt1.aspmx.l.google.com2026-02-22 → 2026-06-17 · 3 obs

○ 2015-11-10 04:09:36
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●MXalt2.aspmx.l.google.com2026-02-22 → 2026-06-17 · 3 obs

○ 2015-11-10 04:09:36
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●MXalt3.aspmx.l.google.com2026-02-22 → 2026-06-17 · 3 obs

○ 2015-11-10 04:09:36
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

●MXalt4.aspmx.l.google.com2026-02-22 → 2026-06-17 · 3 obs

○ 2015-11-10 04:09:36
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

○MXanmail.namebrightmail.com2015-07-05 → 2015-07-05 · 4 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
○ 2015-11-10 04:09:36
○ 2026-06-17 10:47:16

●MXaspmx.l.google.com2026-02-22 → 2026-06-17 · 3 obs

○ 2015-11-10 04:09:36
● 2026-02-22 17:38:48
● 2026-06-17 10:47:16

○A107.23.42.502016-03-01 → 2016-03-01 · 4 obs

○ 2015-11-24 09:04:50
● 2016-03-01 06:42:36
○ 2016-06-19 18:50:08
○ 2026-06-17 10:47:16

○A107.23.95.2352015-07-05 → 2015-07-05 · 4 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
○ 2018-08-12 06:03:52
○ 2026-06-17 10:47:16

○A108.139.38.1682026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 11:43:06
● 2026-03-14 07:22:00
○ 2026-03-17 05:56:00
○ 2026-06-17 10:47:16

○A108.139.38.1932026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 11:43:06
● 2026-03-14 07:22:00
○ 2026-03-17 05:56:00
○ 2026-06-17 10:47:16

○A108.139.38.312026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 11:43:06
● 2026-03-14 07:22:00
○ 2026-03-17 05:56:00
○ 2026-06-17 10:47:16

○A108.139.38.992026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 11:43:06
● 2026-03-14 07:22:00
○ 2026-03-17 05:56:00
○ 2026-06-17 10:47:16

○A108.156.149.1122026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 16:41:48
● 2026-04-07 07:51:44
○ 2026-04-09 14:41:46
○ 2026-06-17 10:47:16

○A108.156.149.182026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 16:41:48
● 2026-04-07 07:51:44
○ 2026-04-09 14:41:46
○ 2026-06-17 10:47:16

○A108.156.149.2212026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 16:41:48
● 2026-04-07 07:51:44
○ 2026-04-09 14:41:46
○ 2026-06-17 10:47:16

○A108.156.149.592026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 16:41:48
● 2026-04-07 07:51:44
○ 2026-04-09 14:41:46
○ 2026-06-17 10:47:16

○A108.158.168.1262026-03-29 → 2026-05-31 · 18 obs

○ 2026-03-26 18:02:22
● 2026-03-29 12:00:06
● 2026-04-05 20:12:50
○ 2026-04-06 01:09:46
○ 2026-04-06 08:00:44
● 2026-04-06 16:41:48
○ 2026-04-07 07:51:44
● 2026-04-09 14:41:46
● 2026-04-10 09:08:00
○ 2026-04-10 23:55:58
○ 2026-04-11 08:56:06
● 2026-04-12 12:29:48
● 2026-04-13 03:09:00
○ 2026-04-15 00:54:50
○ 2026-05-30 01:11:30
● 2026-05-31 14:24:18
○ 2026-06-17 10:47:14
○ 2026-06-17 10:47:16

○A108.158.168.162026-03-29 → 2026-05-31 · 18 obs

○A108.158.168.2182026-03-29 → 2026-05-31 · 18 obs

○A108.158.168.382026-03-29 → 2026-05-31 · 18 obs

○A13.225.75.182026-04-06 → 2026-05-30 · 13 obs

○ 2026-04-05 20:12:50
● 2026-04-06 01:09:46
● 2026-04-06 08:00:44
○ 2026-04-06 16:41:48
○ 2026-04-13 03:09:00
● 2026-04-15 00:54:50
● 2026-04-15 20:50:14
○ 2026-04-19 15:36:14
○ 2026-05-16 14:10:38
● 2026-05-20 16:52:12
● 2026-05-30 01:11:30
○ 2026-05-31 14:24:18
○ 2026-06-17 10:47:16

○A13.225.75.2142026-04-06 → 2026-05-30 · 13 obs

○A13.225.75.352026-04-06 → 2026-05-30 · 13 obs

○A13.225.75.472026-04-06 → 2026-05-30 · 13 obs

○A18.154.230.1642026-02-22 → 2026-03-26 · 8 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
○ 2026-03-10 11:43:06
○ 2026-03-17 05:56:00
● 2026-03-22 02:03:12
● 2026-03-26 18:02:22
○ 2026-03-29 12:00:06
○ 2026-06-17 10:47:16

○A18.154.230.1802026-02-22 → 2026-03-26 · 8 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
○ 2026-03-10 11:43:06
○ 2026-03-17 05:56:00
● 2026-03-22 02:03:12
● 2026-03-26 18:02:22
○ 2026-03-29 12:00:06
○ 2026-06-17 10:47:16

○A18.154.230.1962026-02-22 → 2026-03-26 · 8 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
○ 2026-03-10 11:43:06
○ 2026-03-17 05:56:00
● 2026-03-22 02:03:12
● 2026-03-26 18:02:22
○ 2026-03-29 12:00:06
○ 2026-06-17 10:47:16

○A18.154.230.22026-02-22 → 2026-03-26 · 8 obs

○ 2018-08-12 06:03:52
● 2026-02-22 17:38:48
○ 2026-03-10 11:43:06
○ 2026-03-17 05:56:00
● 2026-03-22 02:03:12
● 2026-03-26 18:02:22
○ 2026-03-29 12:00:06
○ 2026-06-17 10:47:16

●A18.160.15.1182026-03-10 → 2026-06-17 · 11 obs

○ 2026-02-22 17:38:48
● 2026-03-10 11:43:06
○ 2026-03-14 07:22:00
● 2026-03-17 05:56:00
○ 2026-03-22 02:03:12
○ 2026-04-15 20:50:14
● 2026-04-19 15:36:14
○ 2026-04-22 10:31:10
○ 2026-05-31 14:24:18
● 2026-06-17 10:47:14
● 2026-06-17 10:47:16

●A18.160.15.1442026-03-10 → 2026-06-17 · 11 obs

●A18.160.15.2242026-03-10 → 2026-06-17 · 11 obs

●A18.160.15.612026-03-10 → 2026-06-17 · 11 obs

○A18.161.194.1012026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 09:08:00
● 2026-04-10 23:55:58
● 2026-04-11 08:56:06
○ 2026-04-12 12:29:48
○ 2026-06-17 10:47:16

○A18.161.194.2292026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 09:08:00
● 2026-04-10 23:55:58
● 2026-04-11 08:56:06
○ 2026-04-12 12:29:48
○ 2026-06-17 10:47:16

○A18.161.194.52026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 09:08:00
● 2026-04-10 23:55:58
● 2026-04-11 08:56:06
○ 2026-04-12 12:29:48
○ 2026-06-17 10:47:16

○A18.161.194.662026-04-10 → 2026-04-11 · 5 obs

○ 2026-04-10 09:08:00
● 2026-04-10 23:55:58
● 2026-04-11 08:56:06
○ 2026-04-12 12:29:48
○ 2026-06-17 10:47:16

○A18.239.176.1012026-04-22 → 2026-05-16 · 5 obs

○ 2026-04-19 15:36:14
● 2026-04-22 10:31:10
● 2026-05-16 14:10:38
○ 2026-05-20 16:52:12
○ 2026-06-17 10:47:16

○A18.239.176.1312026-04-22 → 2026-05-16 · 5 obs

○ 2026-04-19 15:36:14
● 2026-04-22 10:31:10
● 2026-05-16 14:10:38
○ 2026-05-20 16:52:12
○ 2026-06-17 10:47:16

○A18.239.176.182026-04-22 → 2026-05-16 · 5 obs

○ 2026-04-19 15:36:14
● 2026-04-22 10:31:10
● 2026-05-16 14:10:38
○ 2026-05-20 16:52:12
○ 2026-06-17 10:47:16

○A18.239.176.702026-04-22 → 2026-05-16 · 5 obs

○ 2026-04-19 15:36:14
● 2026-04-22 10:31:10
● 2026-05-16 14:10:38
○ 2026-05-20 16:52:12
○ 2026-06-17 10:47:16

○A52.200.243.1232016-06-19 → 2016-06-19 · 4 obs

○ 2016-03-01 06:42:36
● 2016-06-19 18:50:08
○ 2017-01-31 04:10:42
○ 2026-06-17 10:47:16

○A52.54.132.832017-01-31 → 2017-01-31 · 4 obs

○ 2016-06-19 18:50:08
● 2017-01-31 04:10:42
○ 2018-08-12 06:03:52
○ 2026-06-17 10:47:16

○A52.73.136.1402016-03-01 → 2016-03-01 · 4 obs

○ 2015-11-24 09:04:50
● 2016-03-01 06:42:36
○ 2016-06-19 18:50:08
○ 2026-06-17 10:47:16

○A54.152.144.2432016-06-19 → 2016-06-19 · 4 obs

○ 2016-03-01 06:42:36
● 2016-06-19 18:50:08
○ 2017-01-31 04:10:42
○ 2026-06-17 10:47:16

○A54.174.31.2542015-11-10 → 2015-11-24 · 5 obs

○ 2015-07-05 02:26:18
● 2015-11-10 04:09:36
● 2015-11-24 09:04:50
○ 2016-03-01 06:42:36
○ 2026-06-17 10:47:16

○A54.208.74.2152015-11-10 → 2015-11-24 · 5 obs

○ 2015-07-05 02:26:18
● 2015-11-10 04:09:36
● 2015-11-24 09:04:50
○ 2016-03-01 06:42:36
○ 2026-06-17 10:47:16

○A54.84.74.522015-07-05 → 2015-07-05 · 4 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
○ 2018-08-12 06:03:52
○ 2026-06-17 10:47:16

○A54.88.107.1402017-01-31 → 2017-01-31 · 4 obs

○ 2016-06-19 18:50:08
● 2017-01-31 04:10:42
○ 2018-08-12 06:03:52
○ 2026-06-17 10:47:16

○A68.178.232.1002008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 14:25:54
○ 2015-07-05 02:26:18
○ 2026-06-17 10:47:16

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-05 → 2016-06-19 · 5 obs

○ 2008-03-14 14:25:54
● 2015-07-05 02:26:18
● 2016-06-19 18:50:08
○ 2017-01-31 04:10:42
○ 2026-06-17 10:47:16

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-31 → 2018-08-12 · 5 obs

○ 2016-06-19 18:50:08
● 2017-01-31 04:10:42
● 2018-08-12 06:03:52
○ 2026-02-22 17:38:48
○ 2026-06-17 10:47:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
oneprep.com	ns-240.awsdns-30.com, ns-633.awsdns-15.net, ns-1707.awsdns-21.co.uk, ns-1389.awsdns-45.org	2 records

✅ Authoritative Response

Server:205.251.192.240

NS records: ns-240.awsdns-30.com, ns-633.awsdns-15.net, ns-1707.awsdns-21.co.uk, ns-1389.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oneprep.com (unsigned zone)

⏱️ Timing

Total: 538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.15.61, 18.160.15.118...`
NS	4	`ns-1389.awsdns-45.org, ns-1707.awsdns-21.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=tQUo7sYWYQ4Hiuo, v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-1389.awsdns-45.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-240.awsdns-30.com, ns-240.awsdns-30.com)

Analysis

Hierarchy

www.oneprep.com and api.oneprep.com each fall under oneprep.com as their parent domain.

IP Addresses

oneprep.com has four IP addresses: 18.160.15.61, 18.160.15.118, 18.160.15.144 and 18.160.15.224.

Two other host names, along with gatewaychev.com.dealer.cf.cdk.com, d23nt8m00oktdj.cloudfront.net and admissionsreps.com, also share IP numbers with oneprep.com.

Name Servers

The NS records for oneprep.com point to four name servers: ns-240.awsdns-30.com, ns-633.awsdns-15.net, ns-1389.awsdns-45.org and ns-1707.awsdns-21.co.uk.

oneprep.com shares at least some of its name servers with other domains, including mystar.com.my, co2counter.com.au, lambbasham.com and two others.

The host names ns-240.awsdns-30.com, ns-633.awsdns-15.net, ns-1389.awsdns-45.org and ns-1707.awsdns-21.co.uk each resolve to two IP addresses: ns-240.awsdns-30.com resolves to 205.251.192.240 and 2600:9000:5300:f000::1; ns-633.awsdns-15.net resolves to 205.251.194.121 and 2600:9000:5302:7900::1; ns-1389.awsdns-45.org resolves to 205.251.197.109 and 2600:9000:5305:6d00::1; ns-1707.awsdns-21.co.uk resolves to 205.251.198.171 and 2600:9000:5306:ab00::1.

Mail Servers

Mail for oneprep.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between oneprep.com and other domains, including ns500698.ns500758.ns500698.ns500758.ns500698.ns500735.ns500736.ns500735.ns500698.ns500576.ns500576.ns500576.ns500686.ns500686.ns500619.ns500619.trackreceptor.com, ns500671.ns500754.ns500731.ns500731.ns500742.ns500671.ns500742.ns500705.ns500688.ns500705.ns500678.ns500688.tenderladiesbz.com, ns500693.ns500734.ns500734.ns500693.ns500699.ns500588.ns500588.ns500699.ns500683.ns500588.ns500632.ns500602.dtrkdll.com and two others.

These mail servers tend to appear in combination with mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c07::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.