coreandcode.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coreandcode.com`

DNSSEC	⚠️ Not signed
A	157.112.152.49^{🇯🇵 XSERVER-AS157.112.152.0/21 XSERVER Inc.}
		PTR	`sv948.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`coreandcode.com` ⭐
		A	157.112.152.49^{🇯🇵 XSERVER-AS157.112.152.0/21 XSERVER Inc.}
			PTR	`sv948.xserver.jp`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1793117341

MX for

coreandcode.com

Same first word

coreandcode.jp

coreandcode.co.il

coreandcode.com

coreandcode.ai

Similar names

Previous names

Next names

DNS History

13 records (7 active, 6 former)

○NSns1.wordpress.com2015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

●NSns1.xserver.jp2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

○NSns2.wordpress.com2015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

●NSns2.xserver.jp2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

○NSns3.wordpress.com2015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

●NSns3.xserver.jp2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

●NSns4.xserver.jp2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

●NSns5.xserver.jp2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

●MXcoreandcode.com2020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

○MXmx7.gmoserver.jp2015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

●A157.112.152.492020-02-25 → 2026-10-27 · 3 obs

○ 2017-03-29 14:35:10
● 2020-02-25 23:11:44
● 2026-10-27 16:58:02

○A192.0.78.242015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

○A192.0.78.252015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 16:16:12
● 2017-03-29 14:35:10
○ 2020-02-25 23:11:44
○ 2026-10-27 16:58:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
coreandcode.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:183.90.224.226

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreandcode.com (unsigned zone)

⏱️ Timing

Total: 1472ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.152.49`
NS	5	`ns5.xserver.jp, ns2.xserver.jp...`
MX	1	`coreandcode.com (pri: 0)`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

The MX record for coreandcode.com points back to coreandcode.com — it is its own mail server.

IP Addresses

coreandcode.com directs to one IP number, which is 157.112.152.49.

Among the host names that share IP numbers with coreandcode.com are barnivarno.com, isao-tokuhashi.com, biorification.com and two others.

Name Servers

The authoritative name servers for coreandcode.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

coreandcode.com partially shares its NS delegation with several other domains, including reha1484.jp, saisokugk.com, 7010sawamura.com and two others.

These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.

Hosts with three IP address records:

ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

The MX record for coreandcode.com points to a single mail server: coreandcode.com.

coreandcode.com resolves to a single IP number: 157.112.152.49.