`chinaphd.cn`

	CNAME	`www.chinaphd.cn`
	CNAME	`whh.mypku.com`
	CNAME	`72.mypku.com`
	DNSSEC	⚠️ Not signed

`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 serial=2035118247

Subdomains

www.chinaphd.cn

Same first word

chinaphd.cn

chinaphd.com

chinaphd.net

Similar names

phdchina.net

padchinh.in

phdchina.org

hpdchina.com

DNS History

5 records (3 active, 2 former)

●NSf1g1ns1.dnspod.net2015-08-07 → 2026-08-01 · 2 obs

● 2015-08-07 16:00:38
● 2026-08-01 00:40:16

●NSf1g1ns2.dnspod.net2015-08-07 → 2026-08-01 · 2 obs

● 2015-08-07 16:00:38
● 2026-08-01 00:40:16

○A69.65.33.1262015-08-07 → 2017-03-13 · 4 obs

● 2015-08-07 16:00:38
● 2017-03-13 17:12:54
○ 2020-01-15 03:55:12
○ 2026-08-01 00:40:16

○CNAMEwh.mypku.com2015-08-07 → 2017-03-13 · 4 obs

● 2015-08-07 16:00:38
● 2017-03-13 17:12:54
○ 2020-01-15 03:55:12
○ 2026-08-01 00:40:16

●CNAMEwww.chinaphd.cn2020-01-15 → 2026-08-01 · 3 obs

○ 2017-03-13 17:12:54
● 2020-01-15 03:55:12
● 2026-08-01 00:40:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
chinaphd.cn	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:36.155.149.35

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chinaphd.cn (unsigned zone)

⏱️ Timing

Total: 2255ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
CNAME	1	`www.chinaphd.cn`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

chinaphd.cn - robtex.com

chinaphd.cn

cn