`probfactory.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:421e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9bb2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.30^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.178^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emily.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emily.ns.cloudflare.com`
		A	108.162.192.155^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	172.64.32.155^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	173.245.58.155^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
NS	`jason.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.66.30, 172.67.155.178
		IPv6	2606:4700:3031::6815:421e, 2606:4700:3035::ac43:9bb2
SOA	`emily.ns.cloudflare.com`dns@cloudflare.com serial=2396617004

`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

Same first word

probfactory.com

DNS History

18 records (6 active, 12 former)

●NSemily.ns.cloudflare.com2016-01-20 → 2026-03-20 · 3 obs

○ 2015-11-01 22:55:06
● 2016-01-20 13:26:30
● 2026-03-20 19:26:50

●NSjason.ns.cloudflare.com2016-01-20 → 2026-03-20 · 3 obs

○ 2015-11-01 22:55:06
● 2016-01-20 13:26:30
● 2026-03-20 19:26:50

○NSpat.ns.cloudflare.com2015-06-18 → 2015-11-01 · 4 obs

● 2015-06-18 02:22:50
● 2015-11-01 22:55:06
○ 2016-01-20 13:26:30
○ 2026-03-20 19:26:50

○NSrick.ns.cloudflare.com2015-06-18 → 2015-11-01 · 4 obs

● 2015-06-18 02:22:50
● 2015-11-01 22:55:06
○ 2016-01-20 13:26:30
○ 2026-03-20 19:26:50

○A104.18.40.1102015-06-18 → 2015-11-01 · 4 obs

● 2015-06-18 02:22:50
● 2015-11-01 22:55:06
○ 2016-01-20 13:26:30
○ 2026-03-20 19:26:50

○A104.18.41.1102015-06-18 → 2015-11-01 · 4 obs

● 2015-06-18 02:22:50
● 2015-11-01 22:55:06
○ 2016-01-20 13:26:30
○ 2026-03-20 19:26:50

●A104.21.66.302026-02-16 → 2026-03-20 · 24 obs

○ 2017-11-13 08:10:28
● 2026-02-16 02:26:28
● 2026-02-17 22:49:16
○ 2026-02-18 23:39:06
● 2026-02-20 10:37:28
○ 2026-02-20 21:59:58
● 2026-02-22 15:47:54
○ 2026-02-23 10:18:40
○ 2026-02-25 22:01:18
● 2026-02-26 03:06:04
● 2026-02-27 14:52:28
○ 2026-02-28 10:58:04
● 2026-03-01 11:33:58
○ 2026-03-02 23:26:42
○ 2026-03-11 04:22:08
● 2026-03-11 19:52:52
● 2026-03-12 06:07:04
○ 2026-03-13 02:02:48
○ 2026-03-16 01:23:32
● 2026-03-17 19:14:22
○ 2026-03-18 02:43:32
○ 2026-03-19 01:36:46
● 2026-03-19 18:28:00
● 2026-03-20 19:26:50

○A104.24.118.2392016-01-20 → 2017-11-13 · 5 obs

○ 2015-11-01 22:55:06
● 2016-01-20 13:26:30
● 2017-11-13 08:10:28
○ 2026-02-16 02:26:28
○ 2026-03-20 19:26:50

○A104.24.119.2392016-01-20 → 2017-11-13 · 5 obs

○ 2015-11-01 22:55:06
● 2016-01-20 13:26:30
● 2017-11-13 08:10:28
○ 2026-02-16 02:26:28
○ 2026-03-20 19:26:50

●A172.67.155.1782026-02-16 → 2026-03-20 · 24 obs

○A188.114.96.02026-02-18 → 2026-03-19 · 22 obs

○ 2026-02-17 22:49:16
● 2026-02-18 23:39:06
○ 2026-02-20 10:37:28
● 2026-02-20 21:59:58
○ 2026-02-22 15:47:54
● 2026-02-23 10:18:40
● 2026-02-25 22:01:18
○ 2026-02-26 03:06:04
○ 2026-02-27 14:52:28
● 2026-02-28 10:58:04
○ 2026-03-01 11:33:58
● 2026-03-02 23:26:42
● 2026-03-11 04:22:08
○ 2026-03-11 19:52:52
○ 2026-03-12 06:07:04
● 2026-03-13 02:02:48
● 2026-03-16 01:23:32
○ 2026-03-17 19:14:22
● 2026-03-18 02:43:32
● 2026-03-19 01:36:46
○ 2026-03-19 18:28:00
○ 2026-03-20 19:26:50

○A188.114.97.02026-02-18 → 2026-03-19 · 22 obs

○A2400:cb00:2048:1::6818:76ef2017-11-13 → 2017-11-13 · 4 obs

○ 2016-01-20 13:26:30
● 2017-11-13 08:10:28
○ 2026-02-16 02:26:28
○ 2026-03-20 19:26:50

○A2400:cb00:2048:1::6818:77ef2017-11-13 → 2017-11-13 · 4 obs

○ 2016-01-20 13:26:30
● 2017-11-13 08:10:28
○ 2026-02-16 02:26:28
○ 2026-03-20 19:26:50

●A2606:4700:3031::6815:421e2026-02-16 → 2026-03-20 · 24 obs

●A2606:4700:3035::ac43:9bb22026-02-16 → 2026-03-20 · 24 obs

○A2a06:98c1:3120::2026-02-18 → 2026-03-19 · 22 obs

○A2a06:98c1:3121::2026-02-18 → 2026-03-19 · 22 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
probfactory.com	emily.ns.cloudflare.com, jason.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.179

NS records: emily.ns.cloudflare.com, jason.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for probfactory.com (unsigned zone)

⏱️ Timing

Total: 504ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.30, 172.67.155.178`
AAAA	2	`2606:4700:3031::6815:421e, 2606:4700:3035::ac43:9bb2`
NS	2	`emily.ns.cloudflare.com, jason.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emily.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

probfactory.com refers to four IP numbers: 2606:4700:3031::6815:421e, 2606:4700:3035::ac43:9bb2, 104.21.66.30 and 172.67.155.178.

Other host names, for instance zapresponder.com.br, funchess.org, desertracker.com, lluchr.org and oakinternationalchristianschool.com share IP numbers with probfactory.com.

Name Servers

probfactory.com's delegation uses two name servers: emily.ns.cloudflare.com and jason.ns.cloudflare.com.

probfactory.com uses the same name server setup as other domains, such as hibizsolutions.com, ftbase.com, petruzzo.com, okprepared.com and mfore.in.

probfactory.com at least partially shares name servers with other domains, including wvm.ru, rajupocaorsystems.digital, irongatearmory.com, uesrghawg.info and surga77-wamena.pages.dev.

These name servers are often used with magdalena.ns.cloudflare.com and pablo.ns.cloudflare.com.

Host names with six IP numbers:

emily.ns.cloudflare.com points to 2606:4700:50::adf5:3a9b, 2803:f800:50::6ca2:c09b, 2a06:98c1:50::ac40:209b, 108.162.192.155, 172.64.32.155 and 173.245.58.155.

jason.ns.cloudflare.com points to 2606:4700:58::adf5:3bb3, 2803:f800:50::6ca2:c1b3, 2a06:98c1:50::ac40:21b3, 108.162.193.179, 172.64.33.179 and 173.245.59.179.

probfactory.com - robtex.com

probfactory.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`probfactory.com`

`com`