cref.info - dns.ninja

`cref.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:28a4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bb6f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.164^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.111^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`nick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nick.ns.cloudflare.com`
		A	108.162.193.213^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	172.64.33.213^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
		A	173.245.59.213^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nick.ns.cloudflare.com`
MX	`mail.cref.info` ⭐
		A	95.214.96.100^{🇹🇷 Equinix95.214.96.0/22}
TXT	`v=spf1 a mx include:relay.mailchannels.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.164, 172.67.187.111
		IPv6 hints	2606:4700:3034::6815:28a4, 2606:4700:3037::ac43:bb6f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2410944042

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1785968173

Subdomains

mail.cref.info

Same first word

cref.info

cref.ir

cref.co

cref.net

cref.com.au

cref.fr

cref.cc

cref.pt

cref.be

cref.co.jp

cref.nl

cref.co.kr

cref.de

cref.cf

cref.co.uk

cref.ru

cref.com

cref.it

cref.org.tw

cref.asso.fr

cref.ca

cref.or.kr

cref.org

cref.jp

Similar names

ecrf.biz.pl

cefr.org

erfc.org

frce.co.uk

refc.de

efrc.be

refc.org

erfc.com.au

cerf.lv

ferc.de

rcef.pro

frec.org

rfec.com

efrc.co.uk

ferc.com.br

frec.fr

ecfr.eu

ecrf.si

ferc.it

cerf.us

fecr.cn

rcef.info

ferc.cn

frec.net

ercf.com

efcr.org

fecr.it

rcfe.us

crfe.top

cerf.ro

frec.ch

fcer.ro

cerf.me

cfre.org

erfc.co.uk

ferc.co.jp

frce.moe

fcre.de

ferc.org.sg

recf.org

cefr.edu.vn

ecrf.pe.kr

erfc.com.mx

ferc.ch

ecrf.ch

ecfr.de

ercf.ca

cerf.info

rcef.org

efcr.com

frec.co

cerf.eu

efrc.org

cfer.net

cerf.net

ecfr.us

ecfr.net

ferc.gov.pl

ferc.com

frce.nl

ecrf.hu

recf.events

cerf.com

ecfr.io

efcr.ca

cfer.org.uk

frec.eu

efcr.site

cfre.co

efrc.us

fecr.ru

frce.fr

cfre.ru

cerf.ru

cerf.com.tn

frce.com

rfec.net

fcer.org

ecrf.fr

frec.ru

rfec.co.jp

frec.info

rcfe.org

ferc.info

frec.se

cefr.net

cefr.be

cfre.info

cefr.vn

cfer.co

fcer.de

recf.info

efrc.net

rcef.co.uk

cfer.com

ferc.org

cerf.ch

fecr.com

ferc.net

ecfr.com

fcre.net

ferc.gov

rfec.co.uk

fcre.cn

erfc.gr

cerf.de

efrc.online

rfce.fr

crfe.org

efrc.com

frec.com.br

frec.pl

ecrf.biz

cfer.cn

recf.jp

cefr.ch

erfc.fr

fcre.it

cfre.com

fcre.com

ecfr.org

rcef.net

ecfr.nl

ecfr.cn

cerf.science

rcfe.de

ecrf.in

cerf.re

fcer.com

cefr.io

erfc.de

ercf.blogspot.co.uk

ercf.de

rcfe.guru

erfc.com

frec.de

cfre.in

frec.co.ir

erfc.net

frec.no

rfec.de

frec.us

cerf.org

rcfe.net

crfe.com

fcre.top

ecrf.fi

refc.ru

rcfe.ru

cerf.online

frec.solutions

fcre.co.jp

fecr.in

ecfr.gov

cerf.it

frec.com

recf.com

rfec.ru

efrc.ru

ecrf.be

rcfe.com

frec.org.uk

erfc.us

ecrf.kr

ecrf.de

ecrf.cn

ecrf.net

cerf.fr

cfre.net

recf.ca

DNS History

18 records (7 active, 11 former)

●NSivy.ns.cloudflare.com2026-02-26 → 2026-08-05 · 3 obs

○ 2018-10-20 02:29:24
● 2026-02-26 02:10:10
● 2026-08-05 22:30:10

●NSnick.ns.cloudflare.com2026-02-26 → 2026-08-05 · 3 obs

○ 2018-10-20 02:29:24
● 2026-02-26 02:10:10
● 2026-08-05 22:30:10

○NSns1.natrohost.com2018-10-20 → 2018-10-20 · 4 obs

○ 2016-12-30 20:50:46
● 2018-10-20 02:29:24
○ 2026-02-26 02:10:10
○ 2026-08-05 22:30:10

○NSns1.performans.com2015-06-26 → 2016-12-30 · 4 obs

● 2015-06-26 06:46:38
● 2016-12-30 20:50:46
○ 2018-10-20 02:29:24
○ 2026-08-05 22:30:10

○NSns2.natrohost.com2018-10-20 → 2018-10-20 · 4 obs

○ 2016-12-30 20:50:46
● 2018-10-20 02:29:24
○ 2026-02-26 02:10:10
○ 2026-08-05 22:30:10

○NSns2.performans.com2015-06-26 → 2016-12-30 · 4 obs

● 2015-06-26 06:46:38
● 2016-12-30 20:50:46
○ 2018-10-20 02:29:24
○ 2026-08-05 22:30:10

●MXmail.cref.info2015-06-26 → 2026-08-05 · 2 obs

● 2015-06-26 06:46:38
● 2026-08-05 22:30:10

●A104.21.40.1642026-02-26 → 2026-08-05 · 19 obs

○ 2018-10-20 02:29:24
● 2026-02-26 02:10:10
● 2026-02-27 20:29:46
○ 2026-03-22 07:36:08
● 2026-03-24 02:42:24
● 2026-03-30 09:40:00
○ 2026-04-06 17:21:36
○ 2026-04-10 18:08:06
● 2026-04-15 12:28:52
● 2026-04-17 00:23:34
○ 2026-04-21 15:54:26
● 2026-04-24 16:11:16
● 2026-05-10 02:46:50
○ 2026-05-21 14:32:42
● 2026-05-24 01:08:40
● 2026-06-15 05:25:12
○ 2026-06-15 15:22:46
● 2026-08-05 14:08:44
● 2026-08-05 22:30:10

●A172.67.187.1112026-02-26 → 2026-08-05 · 19 obs

○A188.114.96.02026-03-22 → 2026-06-15 · 18 obs

○ 2026-02-26 02:10:10
○ 2026-02-27 20:29:46
● 2026-03-22 07:36:08
○ 2026-03-24 02:42:24
○ 2026-03-30 09:40:00
● 2026-04-06 17:21:36
● 2026-04-10 18:08:06
○ 2026-04-15 12:28:52
○ 2026-04-17 00:23:34
● 2026-04-21 15:54:26
○ 2026-04-24 16:11:16
○ 2026-05-10 02:46:50
● 2026-05-21 14:32:42
○ 2026-05-24 01:08:40
○ 2026-06-15 05:25:12
● 2026-06-15 15:22:46
○ 2026-08-05 14:08:44
○ 2026-08-05 22:30:10

○A188.114.97.02026-03-22 → 2026-06-15 · 18 obs

○A212.68.34.1742018-10-20 → 2018-10-20 · 4 obs

○ 2016-12-30 20:50:46
● 2018-10-20 02:29:24
○ 2026-02-26 02:10:10
○ 2026-08-05 22:30:10

○A2606:4700:3031::ac43:bb6f2026-02-26 → 2026-06-15 · 18 obs

●A2606:4700:3034::6815:28a42026-02-26 → 2026-08-05 · 19 obs

●A2606:4700:3037::ac43:bb6f2026-08-05 → 2026-08-05 · 3 obs

○ 2026-06-15 15:22:46
● 2026-08-05 14:08:44
● 2026-08-05 22:30:10

○A2a06:98c1:3120::2026-03-22 → 2026-06-15 · 18 obs

○A2a06:98c1:3121::2026-03-22 → 2026-06-15 · 18 obs

○A78.135.103.202015-06-26 → 2016-12-30 · 4 obs

● 2015-06-26 06:46:38
● 2016-12-30 20:50:46
○ 2018-10-20 02:29:24
○ 2026-08-05 22:30:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
cref.info	ivy.ns.cloudflare.com, nick.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.120

NS records: ivy.ns.cloudflare.com, nick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cref.info (unsigned zone)

⏱️ Timing

Total: 683ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.111, 104.21.40.164`
AAAA	2	`2606:4700:3034::6815:28a4, 2606:4700:3037::ac43:bb6f`
NS	2	`ivy.ns.cloudflare.com, nick.ns.cloudflare.com`
MX	1	`mail.cref.info (pri: 10)`
TXT	1	`v=spf1 a mx include:relay.mailchannels.n`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

mail.cref.info is delegated beneath cref.info.

IP Addresses

cref.info points to the four IP addresses 104.21.40.164, 172.67.187.111, 2606:4700:3034::6815:28a4 and 2606:4700:3037::ac43:bb6f.

Two other host names, along with grxm-adguard.pro, whatafuture.com and pikar.edu.pl, also share IP numbers with cref.info.

Name Servers

Two name servers handle the delegation for cref.info: ivy.ns.cloudflare.com and nick.ns.cloudflare.com.

cref.info shares its NS records with other domains, for example teammart.co, risharesorts.com, serlinassociates.com and two others.

There is at least partial name server overlap between cref.info and other domains — fingerpongasan.net, sow.cl, e3i3.com and two more among them.

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

DNS names with 6 IP addresses:

ivy.ns.cloudflare.com resolves to 108.162.192.120, 172.64.32.120 and 173.245.58.120 among others, with 3 other IP addresses in total.

nick.ns.cloudflare.com resolves to 108.162.193.213, 172.64.33.213 and 173.245.59.213 among others, with 3 other IP addresses in total.

Mail Servers

The sole mail server for cref.info is mail.cref.info.

mail.cref.info carries a single IP number, which is 95.214.96.100.