`305du.com`

DNSSEC	⚠️ Not signed
A	208.98.40.223^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`www.305du.com` ⭐
		A	208.98.43.93^{🇺🇸 SHARKTECH-1208.98.43.0/24}
			PTR	`mta27.jensenstilbud.com`
NS	`ns1.4.cn` ⚠️ Not in zone NS records
		A	107.167.27.66^{🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)}
NS	`ns2.4.cn` ⚠️ Not in zone NS records
		A	208.98.43.66^{🇺🇸 SHARKTECH-1208.98.43.0/24}
SOA	`www.305du.com`305du@com 2008-08-03 #0

`com`

	DNSSEC	⚠️ Not signed
	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=1784681052

Same first word

305du.com

DNS History

11 records (4 active, 7 former)

●NSns1.4.cn2026-06-24 → 2026-07-22 · 2 obs

● 2026-06-24 18:31:30
● 2026-07-22 01:10:04

●NSns2.4.cn2026-06-24 → 2026-07-22 · 2 obs

● 2026-06-24 18:31:30
● 2026-07-22 01:10:04

●NSwww.305du.com2026-06-24 → 2026-07-22 · 4 obs

● 2026-06-24 18:31:30
○ 2026-07-21 05:08:16
● 2026-07-22 01:10:02
● 2026-07-22 01:10:04

○A208.98.40.2212026-07-05 → 2026-07-05 · 4 obs

○ 2026-07-01 08:59:26
● 2026-07-05 03:01:12
○ 2026-07-21 05:08:16
○ 2026-07-22 01:10:04

●A208.98.40.2232026-07-22 → 2026-07-22 · 3 obs

○ 2026-07-21 05:08:16
● 2026-07-22 01:10:02
● 2026-07-22 01:10:04

○A208.98.40.2252026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-29 14:20:24
● 2026-07-01 08:59:26
○ 2026-07-05 03:01:12
○ 2026-07-22 01:10:04

○A208.98.40.402026-06-24 → 2026-07-22 · 2 obs

○ 2026-06-24 18:31:30
○ 2026-07-22 01:10:04

○A208.98.40.792026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-24 18:31:30
● 2026-06-25 11:17:48
○ 2026-06-29 14:20:24
○ 2026-07-22 01:10:04

○A208.98.43.202026-06-24 → 2026-06-24 · 4 obs

○ 2018-09-13 20:17:04
● 2026-06-24 18:31:30
○ 2026-06-25 11:17:48
○ 2026-07-22 01:10:04

○A208.98.43.372026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-25 11:17:48
● 2026-06-29 14:20:24
○ 2026-07-01 08:59:26
○ 2026-07-22 01:10:04

○A35.185.134.392018-09-13 → 2018-09-13 · 3 obs

● 2018-09-13 20:17:04
○ 2026-06-24 18:31:30
○ 2026-07-22 01:10:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
305du.com	ns1.4.cn, ns2.4.cn	-

✅ Authoritative Response

Server:107.167.27.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 305du.com (unsigned zone)

⏱️ Timing

Total: 814ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.40.223`
SOA	1	`www.305du.com 305du.com`

Analysis

IP Addresses

305du.com resolves to one IP address: 208.98.40.223.

www.www.3715.com, heyuan.net, www.jiachun.cn and two other host names share IP numbers with 305du.com.

Name Servers

The authoritative name servers for 305du.com are ns1.4.cn, ns2.4.cn and www.305du.com — three in total.

The name servers of 305du.com overlap at least partially with those of other domains — among them nouse.com, 99fg.com, dsmssj.com and two more.

The name servers ns3.goldenname.com, ns4.goldenname.com and www.99fg.com are commonly seen alongside these name servers.

The hostnames ns1.4.cn, ns2.4.cn and www.305du.com each resolve to a single IP: ns1.4.cn → 107.167.27.66, ns2.4.cn → 208.98.43.66, www.305du.com → 208.98.43.93.

305du.com - robtex.com

305du.com

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