cnref.com - robtex.com

cnref.com

DNSSEC⚠️ Not signed
A160.153.172.5🇺🇸 AS398101160.153.172.0/22 GCN Allocation
PTR5.172.153.160.host.secureserver.net
NSns41.worldnic.com ⭐
A162.159.26.111Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns42.worldnic.com
A162.159.27.50Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXd213108a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd213108b.ess.barracudanetworks.com(10)
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
TXTk5cd4WWg4uj3x7xkhVpoyGWUCQSID2Ih3+vVZxoA8ENf9MzJCsKBpNuRLlH7pWe00znZSMUGGKN9R...
TXTv=spf1 include:spf.protection.outlook.com ip4:173.59.230.240/21 ip4:23.31.220...
SOANS41.WORLDNIC.comnamehost@WORLDNIC.com serial=125032513

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774471447

Same first word

cnref.com.cn
cnref.com

Similar names

frnce.com
nefrc.info
nerfc.org
cenrf.net
cfern.com
frenc.nl
fcren.com
ncfre.com
rcfne.com
nfrec.com
cfern.org
cfren.com
cenrf.org
frenc.com
frecn.com
cenrf.com
fcner.com
frenc.de
refcn.com
fnrce.fr
fernc.com
cfern.net
renfc.com
encfr.com
rfenc.com
fercn.com
cnfer.cn

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns41.worldnic.comns42.worldnic.comMXd213108a.ess.barracudanetworks.comd213108b.ess.barracudanetworks.comcnref-com.mail.protection.outlook.comcnref.com.inbound10.mxlogic.netcnref.com.inbound10.mxlogicmx.netA160.153.172.5104.198.9.16372.14.187.31
●NSns41.worldnic.com2015-08-03 → 2026-03-25 · 2 obs
● 2015-08-03 14:24:56
● 2026-03-25 21:14:04
●NSns42.worldnic.com2015-08-03 → 2026-03-25 · 2 obs
● 2015-08-03 14:24:56
● 2026-03-25 21:14:04
○MXcnref-com.mail.protection.outlook.com2015-11-28 → 2018-10-26 · 5 obs
○ 2015-08-03 14:24:56
● 2015-11-28 22:36:48
● 2018-10-26 02:58:58
○ 2026-02-23 15:44:46
○ 2026-03-25 21:14:04
○MXcnref.com.inbound10.mxlogic.net2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 14:24:56
○ 2015-11-28 22:36:48
○ 2026-03-25 21:14:04
○MXcnref.com.inbound10.mxlogicmx.net2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 14:24:56
○ 2015-11-28 22:36:48
○ 2026-03-25 21:14:04
●MXd213108a.ess.barracudanetworks.com2026-02-23 → 2026-03-25 · 3 obs
○ 2018-10-26 02:58:58
● 2026-02-23 15:44:46
● 2026-03-25 21:14:04
●MXd213108b.ess.barracudanetworks.com2026-02-23 → 2026-03-25 · 3 obs
○ 2018-10-26 02:58:58
● 2026-02-23 15:44:46
● 2026-03-25 21:14:04
○A104.198.9.1632018-10-26 → 2018-10-26 · 4 obs
○ 2017-02-18 07:17:12
● 2018-10-26 02:58:58
○ 2026-02-23 15:44:46
○ 2026-03-25 21:14:04
●A160.153.172.52026-02-23 → 2026-03-25 · 3 obs
○ 2018-10-26 02:58:58
● 2026-02-23 15:44:46
● 2026-03-25 21:14:04
○A72.14.187.312015-08-03 → 2017-02-18 · 4 obs
● 2015-08-03 14:24:56
● 2017-02-18 07:17:12
○ 2018-10-26 02:58:58
○ 2026-03-25 21:14:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
cnref.comns41.worldnic.com, ns42.worldnic.com2 records

✅ Authoritative Response

Server:162.159.27.50

NS records: ns41.worldnic.com, ns42.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnref.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

TypeCountSample Data
A1160.153.172.5
NS2ns41.worldnic.com, ns42.worldnic.com
MX2d213108b.ess.barracudanetworks.com (pri:, d213108a.ess.barracudanetworks.com (pri:
TXT2v=spf1 include:spf.protection.outlook.co, k5cd4WWg4uj3x7xkhVpoyGWUCQSID2Ih3+vVZxoA
SOA1NS41.WORLDNIC.com namehost.WORLDNIC.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns41.worldnic.com, ns42.worldnic.com)

Analysis

IP Addresses

cnref.com points to a single IP: 160.153.172.5.

Other host names, for instance summergarden.com, www.summergarden.com, bayareahvacr.com, bayareawellnessgroup.com and www.bayareawellnessgroup.com share IP numbers with cnref.com.

Name Servers

Two name servers ns41.worldnic.com and ns42.worldnic.com handle delegation for cnref.com.

cnref.com uses the same name server setup as other domains, for example galloways.us, mercercountybhc.org, cookdiamonds.com, pgwg.com and escm.info.

Host names with one IP number: The host name ns41.worldnic.com points to 162.159.26.111 and the host name ns42.worldnic.com points to 162.159.27.50.

Mail Servers

cnref.com is handled by two mail servers: d213108a.ess.barracudanetworks.com and d213108b.ess.barracudanetworks.com.

Host names with three IP numbers:

d213108a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d213108b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Hosts pointing to 209.222.82.252: d213108a.ess.barracudanetworks.com and d213108b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.253: d213108a.ess.barracudanetworks.com and d213108b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.255: d213108a.ess.barracudanetworks.com and d213108b.ess.barracudanetworks.com.

Both d213108a.ess.barracudanetworks.com and d213108b.ess.barracudanetworks.com point to the same three IPs: 209.222.82.252, 209.222.82.253 and 209.222.82.255.