preprof.com - dns.ninja

`preprof.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3d8c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d2f9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.140^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.249^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`sandra.ns.cloudflare.com`
		A	2606:4700:50::a29f:2622^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c222^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2222^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandra.ns.cloudflare.com`
		A	108.162.194.34^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	162.159.38.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	172.64.34.34^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.140, 172.67.210.249
		IPv6 hints	2606:4700:3033::6815:3d8c, 2606:4700:3037::ac43:d2f9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2405321992

`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=1783990502

Same first word

preprof.com

Similar names

properf.biz

profrep.com

properf.net

froprep.com

properf.pro

erpprof.de

profrep.ru

proferp.com

properf.org

properf.fr

perfpro.org

profper.ru

perfpro.com

fropper.com

prefpro.com

perfpro.net

DNS History

21 records (8 active, 13 former)

○NSdns1.registrar-servers.com2016-12-18 → 2017-10-13 · 4 obs

● 2016-12-18 12:34:48
● 2017-10-13 21:23:26
○ 2026-02-23 15:09:20
○ 2026-07-14 00:57:04

○NSdns2.registrar-servers.com2016-12-18 → 2017-10-13 · 4 obs

● 2016-12-18 12:34:48
● 2017-10-13 21:23:26
○ 2026-02-23 15:09:20
○ 2026-07-14 00:57:04

●NSduke.ns.cloudflare.com2026-05-31 → 2026-07-14 · 3 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-07-14 00:57:04

○NShorizon.dns-parking.com2026-02-23 → 2026-05-09 · 5 obs

○ 2017-10-13 21:23:26
● 2026-02-23 15:09:20
● 2026-05-09 01:06:32
○ 2026-05-31 17:10:50
○ 2026-07-14 00:57:04

○NSorbit.dns-parking.com2026-02-23 → 2026-05-09 · 5 obs

○ 2017-10-13 21:23:26
● 2026-02-23 15:09:20
● 2026-05-09 01:06:32
○ 2026-05-31 17:10:50
○ 2026-07-14 00:57:04

●NSsandra.ns.cloudflare.com2026-05-31 → 2026-07-14 · 3 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-07-14 00:57:04

●MXmx1.hostinger.com2026-02-23 → 2026-07-14 · 2 obs

● 2026-02-23 15:09:20
● 2026-07-14 00:57:04

●MXmx2.hostinger.com2026-02-23 → 2026-07-14 · 2 obs

● 2026-02-23 15:09:20
● 2026-07-14 00:57:04

●A104.21.61.1402026-05-31 → 2026-07-14 · 8 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-06-08 00:02:50
○ 2026-06-12 01:00:54
● 2026-06-15 12:38:06
○ 2026-06-16 10:03:32
● 2026-07-14 00:57:02
● 2026-07-14 00:57:04

○A162.255.119.2362016-12-18 → 2017-10-13 · 4 obs

● 2016-12-18 12:34:48
● 2017-10-13 21:23:26
○ 2026-02-23 15:09:20
○ 2026-07-14 00:57:04

●A172.67.210.2492026-05-31 → 2026-07-14 · 8 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-06-08 00:02:50
○ 2026-06-12 01:00:54
● 2026-06-15 12:38:06
○ 2026-06-16 10:03:32
● 2026-07-14 00:57:02
● 2026-07-14 00:57:04

○A188.114.96.02026-06-12 → 2026-06-16 · 6 obs

○ 2026-06-08 00:02:50
● 2026-06-12 01:00:54
○ 2026-06-15 12:38:06
● 2026-06-16 10:03:32
○ 2026-07-14 00:57:02
○ 2026-07-14 00:57:04

○A188.114.97.02026-06-12 → 2026-06-16 · 6 obs

○ 2026-06-08 00:02:50
● 2026-06-12 01:00:54
○ 2026-06-15 12:38:06
● 2026-06-16 10:03:32
○ 2026-07-14 00:57:02
○ 2026-07-14 00:57:04

○A195.35.49.1662026-02-23 → 2026-05-09 · 5 obs

○ 2017-10-13 21:23:26
● 2026-02-23 15:09:20
● 2026-05-09 01:06:32
○ 2026-05-31 17:10:50
○ 2026-07-14 00:57:04

○A2606:4700:3031::6815:3d8c2026-05-31 → 2026-06-15 · 7 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-06-08 00:02:50
○ 2026-06-12 01:00:54
● 2026-06-15 12:38:06
○ 2026-06-16 10:03:32
○ 2026-07-14 00:57:04

○A2606:4700:3031::ac43:d2f92026-05-31 → 2026-06-15 · 7 obs

○ 2026-05-09 01:06:32
● 2026-05-31 17:10:50
● 2026-06-08 00:02:50
○ 2026-06-12 01:00:54
● 2026-06-15 12:38:06
○ 2026-06-16 10:03:32
○ 2026-07-14 00:57:04

●A2606:4700:3033::6815:3d8c2026-07-14 → 2026-07-14 · 3 obs

○ 2026-06-16 10:03:32
● 2026-07-14 00:57:02
● 2026-07-14 00:57:04

●A2606:4700:3037::ac43:d2f92026-07-14 → 2026-07-14 · 3 obs

○ 2026-06-16 10:03:32
● 2026-07-14 00:57:02
● 2026-07-14 00:57:04

○A2a02:4780:27:1262:0:39a8:adca:32026-02-23 → 2026-05-09 · 5 obs

○ 2017-10-13 21:23:26
● 2026-02-23 15:09:20
● 2026-05-09 01:06:32
○ 2026-05-31 17:10:50
○ 2026-07-14 00:57:04

○A2a06:98c1:3120::2026-06-12 → 2026-06-16 · 6 obs

○ 2026-06-08 00:02:50
● 2026-06-12 01:00:54
○ 2026-06-15 12:38:06
● 2026-06-16 10:03:32
○ 2026-07-14 00:57:02
○ 2026-07-14 00:57:04

○A2a06:98c1:3121::2026-06-12 → 2026-06-16 · 6 obs

○ 2026-06-08 00:02:50
● 2026-06-12 01:00:54
○ 2026-06-15 12:38:06
● 2026-06-16 10:03:32
○ 2026-07-14 00:57:02
○ 2026-07-14 00:57:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
preprof.com	duke.ns.cloudflare.com, sandra.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.110

NS records: duke.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preprof.com (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.140, 172.67.210.249`
AAAA	2	`2606:4700:3037::ac43:d2f9, 2606:4700:3033::6815:3d8c`
NS	2	`duke.ns.cloudflare.com, sandra.ns.cloudflare.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

preprof.com resolves to four IP addresses: 104.21.61.140, 172.67.210.249, 2606:4700:3033::6815:3d8c and 2606:4700:3037::ac43:d2f9.

Two other host names, along with mail.abinternationalschool.com, hearcodes.com and elite-play.com, also share IP numbers with preprof.com.

Name Servers

preprof.com has two authoritative name servers — duke.ns.cloudflare.com and sandra.ns.cloudflare.com.

preprof.com shares its NS records with other domains, for example aimbotbgmi.com, vision4.org, fabrikadverej.ru and two others.

preprof.com partially shares its NS delegation with several other domains, including paspk.org, turktube4.xyz, teamhnm.com and two others.

These name servers regularly co-occur with the name servers finley.ns.cloudflare.com, martha.ns.cloudflare.com and lola.ns.cloudflare.com.

DNS names with 6 IP addresses:

duke.ns.cloudflare.com points to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.

sandra.ns.cloudflare.com points to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 other IP addresses.

Mail Servers

preprof.com is served by two mail servers, mx1.hostinger.com and mx2.hostinger.com.

Among the domains sharing a mail server setup with preprof.com are gruponyata.com.br, officerftc.net, claudikessels.nl and two others.

preprof.com partially shares its mail servers with other domains, frameleads.com and pdsmcorp.com being examples.

Both mx1.hostinger.com and mx2.hostinger.com point to 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f.

The host names mx1.hostinger.com and mx2.hostinger.com both resolve to 2606:4700:90:0:c1f8:f874:2386:b61f IP addresses.

The host names mx1.hostinger.com and mx2.hostinger.com both resolve to 172.65.182.103 IP addresses.