oetch.com - dns.ninja

`oetch.com`

DNSSEC	⚠️ Not signed
A	127.0.0.1
A	221.231.138.112^{🇨🇳 CHINATELECOM-JIANGSU-NANJING-IDC221.231.136.0/21 CTJS NJ-IDC}
NS	`dns1.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns2.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
MX	`mx2.c3.icoremail.net` ⭐
		A	59.111.193.91^{🇨🇳 NETEASECN59.111.192.0/23}
		A	59.111.193.92^{🇨🇳 NETEASECN59.111.192.0/23}
MX	`mx.c3.icoremail.net`⁽¹⁰⁾
		A	89.168.78.125^{🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation}
			PTR	`org-mxproxy.icoremail.net`
		A	139.162.158.182^{🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies}
			PTR	`li1425-182.members.linode.com`
		A	165.154.163.126^{🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
			PTR	`ucloud-mxproxy.icoremail.net`
TXT	`v=spf1 include:spf.icoremail.net -all`
SOA	`dns.4cun.com`admin@oetch.com serial=1772526974

`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=1786753284

Same first word

oetch.com

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DNS History

10 records (7 active, 3 former)

●NSdns.4cun.com2015-06-19 → 2026-08-15 · 7 obs

● 2015-06-19 03:05:30
● 2026-04-11 09:36:44
○ 2026-04-17 13:54:18
● 2026-04-26 17:01:10
○ 2026-07-23 17:02:42
● 2026-07-31 04:55:08
● 2026-08-15 00:49:16

●NSdns1.4cun.com2026-03-17 → 2026-08-15 · 3 obs

○ 2015-06-19 03:05:30
● 2026-03-17 05:41:04
● 2026-08-15 00:49:16

●NSdns2.51dns.top2026-03-17 → 2026-08-15 · 3 obs

○ 2015-06-19 03:05:30
● 2026-03-17 05:41:04
● 2026-08-15 00:49:16

●MXmx.c3.icoremail.net2026-03-17 → 2026-08-15 · 8 obs

○ 2017-06-06 16:25:58
● 2026-03-17 05:41:04
● 2026-04-11 09:36:44
○ 2026-04-17 13:54:18
● 2026-04-26 17:01:10
○ 2026-07-23 17:02:42
● 2026-07-31 04:55:08
● 2026-08-15 00:49:16

●MXmx2.c3.icoremail.net2026-03-17 → 2026-08-15 · 8 obs

○ 2017-06-06 16:25:58
● 2026-03-17 05:41:04
● 2026-04-11 09:36:44
○ 2026-04-17 13:54:18
● 2026-04-26 17:01:10
○ 2026-07-23 17:02:42
● 2026-07-31 04:55:08
● 2026-08-15 00:49:16

○MXmxbiz1.qq.com2015-06-19 → 2017-06-06 · 4 obs

● 2015-06-19 03:05:30
● 2017-06-06 16:25:58
○ 2026-03-17 05:41:04
○ 2026-08-15 00:49:16

○MXmxbiz2.qq.com2015-06-19 → 2017-06-06 · 4 obs

● 2015-06-19 03:05:30
● 2017-06-06 16:25:58
○ 2026-03-17 05:41:04
○ 2026-08-15 00:49:16

●A127.0.0.12026-03-17 → 2026-08-15 · 8 obs

○ 2017-06-06 16:25:58
● 2026-03-17 05:41:04
● 2026-04-11 09:36:44
○ 2026-04-17 13:54:18
● 2026-04-26 17:01:10
○ 2026-07-23 17:02:42
● 2026-07-31 04:55:08
● 2026-08-15 00:49:16

○A210.51.17.192015-06-19 → 2017-06-06 · 4 obs

● 2015-06-19 03:05:30
● 2017-06-06 16:25:58
○ 2026-03-17 05:41:04
○ 2026-08-15 00:49:16

●A221.231.138.1122026-03-17 → 2026-08-15 · 8 obs

○ 2017-06-06 16:25:58
● 2026-03-17 05:41:04
● 2026-04-11 09:36:44
○ 2026-04-17 13:54:18
● 2026-04-26 17:01:10
○ 2026-07-23 17:02:42
● 2026-07-31 04:55:08
● 2026-08-15 00:49:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
oetch.com	dns1.4cun.com, dns2.51dns.top	2 records

✅ Authoritative Response

Server:219.138.102.210

NS records: dns1.4cun.com, dns2.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oetch.com (unsigned zone)

⏱️ Timing

Total: 1501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`221.231.138.112, 127.0.0.1`
MX	2	`mx.c3.icoremail.net (pri: 5), mx2.c3.icoremail.net (pri: 10)`
TXT	1	`v=spf1 include:spf.icoremail.net -all`
SOA	1	`dns.4cun.com admin.oetch.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.4cun.com, dns1.4cun.com)

Analysis

IP Addresses

oetch.com points to the IP addresses 127.0.0.1 and 221.231.138.112

254.203.232.static.quadranet.com, 173.254.224.83.static.quadranet.com, 200.203.static.quadranet.com plus two other host names have IP numbers in common with oetch.com.

Name Servers

oetch.com is delegated to three name servers: dns1.4cun.com, dns.4cun.com and dns2.51dns.top.

There is at least partial name server overlap between oetch.com and other domains — lybmy.com, gfs-cn.com, biogenome.cn and two more among them.

These name servers regularly appear alongside dns3.4cun.com, dns4.51dns.top, dns2.4cun.com and 7 other name servers in NS record sets.

The two hostnames dns1.4cun.com and dns2.51dns.top each carry two IP addresses — dns1.4cun.com resolves to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, and dns2.51dns.top resolves to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, with 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 common to both.

dns1.4cun.com and dns2.51dns.top are host names that each point to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.

Mail Servers

oetch.com uses two mail servers, mx2.c3.icoremail.net and mx.c3.icoremail.net.

The mail server setup of oetch.com matches that of other domains such as super99.net, yimfx.com, zcbhsz.com and two others.

At least some of the mail servers used by oetch.com are shared with other domains: hyxion.cn, viperade.com, bidipower.com and two others among them.

Host names carrying three IP numbers:

mx.c3.icoremail.net points to 89.168.78.125, 139.162.158.182 and 165.154.163.126.

Host names pointing to two IP addresses:

mx2.c3.icoremail.net points to 59.111.193.91 and 59.111.193.92.