codepref.com - dns.ninja

`codepref.com`

DNSSEC	⚠️ Not signed
A	2001:19f0:b001:22f:5400:2ff:fe30:a06c^{🇨🇦 AS-VULTR2001:19f0:b000::/38 Vultr Assigned Prefix}
		PTR	`codepref.com`
A	155.138.145.98^{🇨🇦 AS-VULTR155.138.128.0/19 Vultr Assigned Prefix}
NS	`axfr.dnsimple.com` ⭐
		A	2600:1f16:ae2:e902:6881:5f5e:c245:887e^{🇺🇸 Amazon2600:1f16:800::/38 AMAZON AWS}
		A	18.189.127.127^{🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix}
			PTR	`ec2-18-189-127-127.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple.com`
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple.com`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple.com`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
NS	`ns4.he.net`
		A	2001:470:400::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com -all`
HTTPS	HTTP/3
SOA	`axfr.dnsimple.com`admin@dnsimple.com serial=1563646706

`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=1784452717

🔒 HSTS Preload (+subdomains)

PTR for

98.145.138.155.in-addr.arpa

3.1.5.1.c.1.e.f.f.f.0.0.0.0.4.5.7.8.1.1.0.0.0.0.0.f.9.1.1.0.0.2.ip6.arpa

c.6.0.a.0.3.e.f.f.f.2.0.0.0.4.5.f.2.2.0.1.0.0.b.0.f.9.1.1.0.0.2.ip6.arpa

Same first word

codepref.com

codepref.ca

Similar names

copdfree.com

feedcorp.net

feedcorp.org

feedcrop.com

cropfeed.org

corpfeed.com

codeperf.net

perfcode.com

forceedp.nl

codeperf.com

feedcorp.co.jp

fedecorp.com

feedcorp.jp

feedcorp.com

depforce.com

DNS History

19 records (10 active, 9 former)

●NSaxfr.dnsimple.com2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

●NSns1.dnsimple.com2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○NSns1.mydyndns.org2015-05-14 → 2017-05-31 · 4 obs

● 2015-05-14 01:23:16
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

○NSns1156.dns.dyn.com2015-05-14 → 2017-05-31 · 4 obs

● 2015-05-14 01:23:16
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

●NSns2.dnsimple.com2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○NSns2148.dns.dyn.com2015-05-14 → 2017-05-31 · 4 obs

● 2015-05-14 01:23:16
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

●NSns3.dnsimple.com2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○NSns3175.dns.dyn.com2015-05-14 → 2017-05-31 · 4 obs

● 2015-05-14 01:23:16
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

●NSns4.dnsimple.com2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

●NSns4.he.net2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○NSns4198.dns.dyn.com2015-05-14 → 2017-05-31 · 4 obs

● 2015-05-14 01:23:16
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

●MXin1-smtp.messagingengine.com2015-05-14 → 2026-07-19 · 2 obs

● 2015-05-14 01:23:16
● 2026-07-19 09:47:06

●MXin2-smtp.messagingengine.com2015-05-14 → 2026-07-19 · 2 obs

● 2015-05-14 01:23:16
● 2026-07-19 09:47:06

●A155.138.145.982026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○A2001:19f0:0:1187:5400:ff:fe1c:15132016-01-13 → 2017-05-31 · 5 obs

○ 2015-12-12 07:34:16
● 2016-01-13 04:59:58
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

●A2001:19f0:b001:22f:5400:2ff:fe30:a06c2026-04-02 → 2026-07-19 · 3 obs

○ 2017-05-31 02:43:52
● 2026-04-02 19:26:28
● 2026-07-19 09:47:06

○A2600:3c03::e6ae:5bbc:4017:aae22015-05-14 → 2015-12-12 · 4 obs

● 2015-05-14 01:23:16
● 2015-12-12 07:34:16
○ 2016-01-13 04:59:58
○ 2026-07-19 09:47:06

○A45.63.19.1762016-01-13 → 2017-05-31 · 5 obs

○ 2015-12-12 07:34:16
● 2016-01-13 04:59:58
● 2017-05-31 02:43:52
○ 2026-04-02 19:26:28
○ 2026-07-19 09:47:06

○A66.228.44.1822015-05-14 → 2015-12-12 · 4 obs

● 2015-05-14 01:23:16
● 2015-12-12 07:34:16
○ 2016-01-13 04:59:58
○ 2026-07-19 09:47:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
codepref.com	ns4.he.net, ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com...	8 records

✅ Authoritative Response

Server:199.247.154.53

NS records: ns4.he.net, ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codepref.com (unsigned zone)

⏱️ Timing

Total: 809ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`155.138.145.98`
AAAA	1	`2001:19f0:b001:22f:5400:2ff:fe30:a06c`
NS	5	`ns4.dnsimple.com, ns2.dnsimple.com...`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com -`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3"]`
SOA	1	`axfr.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)

Analysis

IP Addresses

codepref.com points to the IP addresses 155.138.145.98 and 2001:19f0:b001:22f:5400:2ff:fe30:a06c

prefontaine.name and xn--prfontaine-c7a.name are among other host names that share IP numbers with codepref.com.

Name Servers

codepref.com carries NS records listing 6 name servers — axfr.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com and 3 others.

The name servers of codepref.com overlap at least partially with those of other domains — among them xenithstudios.com, eykholt.com, reinteractive.net and two more.

These name servers commonly appear in delegations together with ns3.dnsimple.com, ns4.dnsimple.com, ns4.dnsimple-edge.org and 7 other.

Hosts with two IP numbers each:

The A records for axfr.dnsimple.com return 18.189.127.127 and 2600:1f16:ae2:e902:6881:5f5e:c245:887e.

The A records for ns1.dnsimple.com return 199.247.152.53 and 2620:111:8004::53.

The A records for ns2.dnsimple.com return 199.247.153.53 and 2620:111:8005::53.

The A records for ns3.dnsimple.com return 199.247.154.53 and 2620:111:8006::53.

The A records for ns4.dnsimple.com return 199.247.155.53 and 2620:111:8007::53.

The A records for ns4.he.net return 216.66.1.2 and 2001:470:400::2.

Mail Servers

The MX records for codepref.com point to two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

codepref.com has the same mail server arrangement as a number of other domains, for example 5ec.nl, staniszewski.io, dignall.co.uk and two more.

The mail servers for codepref.com overlap at least partially with those of other domains, including fortgnox.org and mud2.net.

Host names resolving to 8 IP numbers:

in1-smtp.messagingengine.com maps to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 additional IP addresses.

Hosts pointing to four IP addresses:

in2-smtp.messagingengine.com resolves to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.