`simuwu.com`

DNSSEC	⚠️ Not signed
A	117.50.157.139^{🇨🇳 CHINA169-BJ117.50.128.0/19 China Telecom Beijing Co. Ltd.}
NS	`simuwu.com` ⭐
		A	117.50.157.139^{🇨🇳 CHINA169-BJ117.50.128.0/19 China Telecom Beijing Co. Ltd.}
NS	`dns1.51.net` ⚠️ Not in parent delegation
		A	49.4.6.171^{🇨🇳 HWCSNET49.4.0.0/20 Huawei Technologies Co., Ltd}
			PTR	`ecs-49-4-6-171.compute.hwclouds-dns.com`
NS	`dns2.51.net` ⚠️ Not in parent delegation
		A	117.78.50.71^{🇨🇳 HWCSNET117.78.48.0/21 Huawei Technologies Co., Ltd}
			PTR	`ecs-117-78-50-71.compute.hwclouds-dns.com`
NS	`ns1.51.net` ⚠️ Not in zone NS records
		A	49.4.6.171^{🇨🇳 HWCSNET49.4.0.0/20 Huawei Technologies Co., Ltd}
			PTR	`ecs-49-4-6-171.compute.hwclouds-dns.com`
NS	`ns2.51.net` ⚠️ Not in zone NS records
		A	117.78.50.71^{🇨🇳 HWCSNET117.78.48.0/21 Huawei Technologies Co., Ltd}
			PTR	`ecs-117-78-50-71.compute.hwclouds-dns.com`
MX	`mx.simuwu.com` ⭐
		A	60.172.190.163^{🇨🇳 CHINANET-BACKBONE60.168.0.0/13 CHINANET Anhui network}
SOA	`simuwu.com`root@simuwu.com 2009-12-09 #15

`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=1774465962

NS for

simuwu.com

Subdomains

mx.simuwu.com

Same first word

simuwu.net.cn

simuwu.com

simuwu.cn

Similar names

swimuu.org

DNS History

12 records (7 active, 5 former)

●NSdns1.51.net2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 04:12:48
● 2026-03-25 19:40:18

●NSdns2.51.net2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 04:12:48
● 2026-03-25 19:40:18

●NSns1.51.net2026-03-18 → 2026-03-25 · 3 obs

○ 2015-08-10 04:12:48
● 2026-03-18 05:18:00
● 2026-03-25 19:40:18

●NSns2.51.net2026-03-18 → 2026-03-25 · 3 obs

○ 2015-08-10 04:12:48
● 2026-03-18 05:18:00
● 2026-03-25 19:40:18

●NSsimuwu.com2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 04:12:48
● 2026-03-25 19:40:18

●MXmx.simuwu.com2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 04:12:48
● 2026-03-25 19:40:18

●A117.50.157.1392026-03-18 → 2026-03-25 · 3 obs

○ 2017-04-11 01:02:32
● 2026-03-18 05:18:00
● 2026-03-25 19:40:18

○A119.10.105.2342017-04-11 → 2017-04-11 · 4 obs

○ 2016-09-10 09:13:20
● 2017-04-11 01:02:32
○ 2026-03-18 05:18:00
○ 2026-03-25 19:40:18

○A119.10.36.1742016-09-10 → 2016-09-10 · 4 obs

○ 2016-03-31 05:41:50
● 2016-09-10 09:13:20
○ 2017-04-11 01:02:32
○ 2026-03-25 19:40:18

○A119.10.36.912016-03-31 → 2016-03-31 · 4 obs

○ 2015-12-31 21:46:08
● 2016-03-31 05:41:50
○ 2016-09-10 09:13:20
○ 2026-03-25 19:40:18

○A61.155.154.642015-08-10 → 2015-12-31 · 4 obs

● 2015-08-10 04:12:48
● 2015-12-31 21:46:08
○ 2016-03-31 05:41:50
○ 2026-03-25 19:40:18

○CNAMEwine2-web-g08.xincache.cn2015-08-10 → 2017-04-11 · 7 obs

● 2015-08-10 04:12:48
● 2015-09-28 20:09:34
○ 2015-12-31 21:46:08
● 2016-03-31 05:41:50
● 2017-04-11 01:02:32
○ 2026-03-18 05:18:00
○ 2026-03-25 19:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
simuwu.com	ns1.51.net, ns2.51.net	-

✅ Authoritative Response

Server:49.4.6.171

NS records: ns1.51.net, ns2.51.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simuwu.com (unsigned zone)

⏱️ Timing

Total: 1466ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.50.157.139`
NS	2	`dns2.51.net, dns1.51.net`
MX	1	`mx.simuwu.com (pri: 10)`
SOA	1	`simuwu.com root.simuwu.com`

Analysis

Hierarchy

simuwu.com is the parent of mx.simuwu.com.

Name Server Role

For simuwu.com, simuwu.com serves as a name server for simuwu.com.

Name servers commonly include dns1.51.net, dns2.51.net and ns1.51.net together with simuwu.com.

IP Addresses

simuwu.com points to IP number 117.50.157.139.

Other host names, for example adiaoyan.com and www.adiaoyan.com, share IPs with simuwu.com.

Name Servers

simuwu.com is delegated to five name servers: simuwu.com, dns1.51.net, dns2.51.net, ns1.51.net and ns2.51.net.

simuwu.com shares name servers with other domains at least partially, for example 51host.net, bkpy.com, tzhdshop.com, hg8299.com and tv800.com.