pcref.com - dns.ninja

`pcref.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:113e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:defc^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.62^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.252^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clayton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clayton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clayton.ns.cloudflare.com`
		A	108.162.195.226^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	162.159.44.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	172.64.35.226^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
NS	`ollie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2647^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c247^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ollie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2247^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ollie.ns.cloudflare.com`
		A	108.162.194.71^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	162.159.38.71^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	172.64.34.71^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.62, 172.67.222.252
		IPv6 hints	2606:4700:3035::6815:113e, 2606:4700:3036::ac43:defc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`clayton.ns.cloudflare.com`dns@cloudflare.com serial=2405368309

`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=1783655652

Same first word

pcref.org

pcref.com

Similar names

fpcre.com

pcerf.com

rfepc.com

fercp.nl

cferp.com

pfcre.com

ferpc.jp

fepcr.com

cpfre.com

refpc.com

cperf.com

fprce.com

fercp.de

cefpr.com

cefrp.com

frecp.com

erfpc.org

cefrp.com.mx

fcrep.com.br

prcfe.com

cpref.com

crfpe.fr

prefc.com

perfc.com

crfpe.org.br

pfcer.cn

DNS History

32 records (9 active, 23 former)

○NS5014.ns1.abovedomains.com2026-03-17 → 2026-04-07 · 4 obs

○ 2017-04-07 13:51:04
● 2026-03-17 03:01:06
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

○NS5014.ns2.abovedomains.com2026-03-17 → 2026-04-07 · 4 obs

○ 2017-04-07 13:51:04
● 2026-03-17 03:01:06
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

●NSclayton.ns.cloudflare.com2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○NSdns066.a.register.com2015-08-04 → 2015-08-04 · 4 obs

○ 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

○NSdns223.b.register.com2015-08-04 → 2015-08-04 · 4 obs

○ 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

○NSdns233.c.register.com2015-08-04 → 2015-08-04 · 4 obs

○ 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

○NSdns249.d.register.com2015-08-04 → 2015-08-04 · 4 obs

○ 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

○NSns1.abovedomains.com2026-03-17 → 2026-04-07 · 7 obs

○ 2017-04-07 13:51:04
● 2026-03-17 03:01:06
● 2026-03-17 15:32:26
○ 2026-03-17 18:16:34
● 2026-03-17 20:38:12
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

○NSns1.dyna-ns.net2026-03-17 → 2026-07-10 · 2 obs

○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

○NSns2.abovedomains.com2026-03-17 → 2026-04-07 · 7 obs

○ 2017-04-07 13:51:04
● 2026-03-17 03:01:06
● 2026-03-17 15:32:26
○ 2026-03-17 18:16:34
● 2026-03-17 20:38:12
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

○NSns2.dyna-ns.net2026-03-17 → 2026-07-10 · 2 obs

○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

●NSollie.ns.cloudflare.com2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○NSsk.s5.ans1.ns122.ztomy.com2015-10-11 → 2015-10-11 · 4 obs

○ 2008-03-20 15:24:46
● 2015-10-11 10:13:10
○ 2015-12-09 19:15:12
○ 2026-07-10 03:55:10

○NSsk.s5.ans2.ns122.ztomy.com2015-10-11 → 2015-10-11 · 4 obs

○ 2008-03-20 15:24:46
● 2015-10-11 10:13:10
○ 2015-12-09 19:15:12
○ 2026-07-10 03:55:10

○NSsk.s5.cm.ns1.37.ztomy.com2015-12-09 → 2017-04-07 · 5 obs

○ 2015-10-11 10:13:10
● 2015-12-09 19:15:12
● 2017-04-07 13:51:04
○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

○NSsk.s5.cm.ns2.37.ztomy.com2015-12-09 → 2017-04-07 · 5 obs

○ 2015-10-11 10:13:10
● 2015-12-09 19:15:12
● 2017-04-07 13:51:04
○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

○MXmxmail.register.com2008-03-20 → 2015-08-04 · 4 obs

● 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

○MXpark-mx.above.com2026-03-17 → 2026-04-07 · 7 obs

○ 2015-10-11 10:13:10
● 2026-03-17 03:01:06
● 2026-03-17 15:32:26
○ 2026-03-17 18:16:34
● 2026-03-17 20:38:12
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

●MXroute1.mx.cloudflare.net2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

●MXroute2.mx.cloudflare.net2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

●MXroute3.mx.cloudflare.net2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○A103.224.212.1002026-03-17 → 2026-03-23 · 8 obs

○ 2017-04-07 13:51:04
● 2026-03-17 03:01:06
● 2026-03-17 15:32:26
○ 2026-03-17 18:16:34
● 2026-03-17 20:38:12
● 2026-03-23 05:12:36
○ 2026-03-24 05:53:26
○ 2026-07-10 03:55:10

○A103.224.212.1162026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 05:12:36
● 2026-03-24 05:53:26
○ 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

○A103.224.212.1182026-04-07 → 2026-04-07 · 3 obs

○ 2026-03-24 05:53:26
● 2026-04-07 12:28:40
○ 2026-07-10 03:55:10

●A104.21.17.622026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○A130.13.112.2162008-03-20 → 2015-08-04 · 4 obs

● 2008-03-20 15:24:46
● 2015-08-04 01:00:50
○ 2015-10-11 10:13:10
○ 2026-07-10 03:55:10

●A172.67.222.2522026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○A208.91.197.442015-10-11 → 2015-10-11 · 4 obs

○ 2008-03-20 15:24:46
● 2015-10-11 10:13:10
○ 2015-12-09 19:15:12
○ 2026-07-10 03:55:10

○A208.91.197.542015-12-09 → 2017-04-07 · 5 obs

○ 2015-10-11 10:13:10
● 2015-12-09 19:15:12
● 2017-04-07 13:51:04
○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

●A2606:4700:3035::6815:113e2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

●A2606:4700:3036::ac43:defc2026-07-10 → 2026-07-10 · 2 obs

○ 2026-04-07 12:28:40
● 2026-07-10 03:55:10

○PTRsk.s5.cm.ns1.37.ztomy.com2017-04-07 → 2017-04-07 · 3 obs

● 2017-04-07 13:51:04
○ 2026-03-17 03:01:06
○ 2026-07-10 03:55:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
pcref.com	ollie.ns.cloudflare.com, clayton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.71

NS records: ollie.ns.cloudflare.com, clayton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pcref.com (unsigned zone)

⏱️ Timing

Total: 94ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.62, 172.67.222.252`
AAAA	2	`2606:4700:3035::6815:113e, 2606:4700:3036::ac43:defc`
NS	2	`clayton.ns.cloudflare.com, ollie.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 39), route2.mx.cloudflare.net (pri: 62)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clayton.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pcref.com directs to four IP numbers, which are 104.21.17.62, 172.67.222.252, 2606:4700:3035::6815:113e and 2606:4700:3036::ac43:defc.

novelcognition.com, juaitaobao.com, wcci.com.au and two other host names share IP numbers with pcref.com.

Name Servers

Two name servers handle the delegation for pcref.com: clayton.ns.cloudflare.com and ollie.ns.cloudflare.com.

pcref.com uses the same name servers as several other domains — among them techisu.com, dimeapsa.com.mx, opamall.com and two more.

There is at least partial name server overlap between pcref.com and other domains — 6607w.com, casino-bk-live.top, denovomatrix.com and two more among them.

These name servers are routinely deployed together with the name servers toby.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

clayton.ns.cloudflare.com resolves to 108.162.195.226, 162.159.44.226 and 172.64.35.226 among others, with 3 other IP addresses in total.

ollie.ns.cloudflare.com resolves to 108.162.194.71, 162.159.38.71 and 172.64.34.71 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for pcref.com is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

pcref.com has at least partial mail server overlap with other domains such as ibosmarters.com, honeydomains.com, bolsadevaloressinsecretos.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.