`seis.cn`

	CNAME	`ns1.dnsdiy.com`
	DNSSEC	⚠️ Not signed
	A	43.134.117.145^{🇸🇬 TENCENT-NET-AP-CN43.134.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn 2035-04-07 #83

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DNS History

6 records (6 active, 0 former)

●NSdns17.hichina.com2026-07-04 → 2026-07-14 · 3 obs

○ 2026-06-25 01:01:22
● 2026-07-04 17:04:00
● 2026-07-14 21:36:24

●NSdns18.hichina.com2026-07-04 → 2026-07-14 · 3 obs

○ 2026-06-25 01:01:22
● 2026-07-04 17:04:00
● 2026-07-14 21:36:24

●NSns1.alidns.com2026-06-25 → 2026-07-14 · 2 obs

● 2026-06-25 01:01:22
● 2026-07-14 21:36:24

●NSns2.alidns.com2026-06-25 → 2026-07-14 · 2 obs

● 2026-06-25 01:01:22
● 2026-07-14 21:36:24

●MXmailserver.purelymail.com2026-07-04 → 2026-07-14 · 2 obs

● 2026-07-04 17:04:00
● 2026-07-14 21:36:24

●CNAMEns1.dnsdiy.com2026-07-04 → 2026-07-14 · 2 obs

● 2026-07-04 17:04:00
● 2026-07-14 21:36:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn...	-
seis.cn	ns1.alidns.com, ns2.alidns.com	-

✅ Authoritative Response

Server:139.224.142.116

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for seis.cn (unsigned zone)

⏱️ Timing

Total: 1594ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns18.hichina.com, dns17.hichina.com`
MX	1	`mailserver.purelymail.com (pri: 10)`
TXT	5	`cc0c7df381797b7f64a849dad88c7706cab51ed6, afternic-verification-mjxSNdHQjWY8oGTrdA...`
CNAME	1	`ns1.dnsdiy.com`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

seis.cn has exactly one IP address — 43.134.117.145.

The host names ns1.dnsdiy.com, ns2.dnsdiy.com, www.dnsdiy.com and dnsdiy.com all share IP numbers with seis.cn.

seis.cn - robtex.com

seis.cn

cn