`pfbuf.top`

DNSSEC

⚠️ Not signed

`top`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.zdnscloud.com` ⭐
	NS	`a.zdnscloud.cn`
	NS	`b.zdnscloud.cn`
	NS	`c.zdnscloud.com`
	NS	`d.zdnscloud.com`
	NS	`e.zdnscloud.cn`
	NS	`f.zdnscloud.cn`
	NS	`i.zdnscloud.cn`
	NS	`j.zdnscloud.com`
	TXT	`2026-08-02_09:00:01`
	SOA	`a.zdnscloud.com`td_dns_gtld@knet.cn serial=1396636308

⚠️ On DNS blocklist: spam-tlds

Similar names

ffpub.com

bpffu.org

pbuff.com

DNS History

4 records (0 active, 4 former)

○NSns1.dns.com2016-09-14 → 2017-05-23 · 6 obs

● 2016-09-14 02:34:20
● 2016-12-08 22:13:14
○ 2017-01-07 03:16:04
● 2017-05-23 04:24:28
○ 2020-10-31 19:17:34
○ 2026-08-02 01:46:18

○NSns2.dns.com2016-09-14 → 2016-12-08 · 4 obs

● 2016-09-14 02:34:20
● 2016-12-08 22:13:14
○ 2017-01-07 03:16:04
○ 2026-08-02 01:46:18

○A204.12.204.1462017-01-07 → 2017-05-23 · 5 obs

○ 2016-12-19 18:20:56
● 2017-01-07 17:29:32
● 2017-05-23 04:24:28
○ 2020-10-31 19:17:34
○ 2026-08-02 01:46:18

○A69.197.131.32016-09-14 → 2016-12-19 · 4 obs

● 2016-09-14 02:34:20
● 2016-12-19 18:20:56
○ 2017-01-07 17:29:32
○ 2026-08-02 01:46:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
top	a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com...	9 records

✅ Authoritative Response

Server:2401:8d00:2::1

NS records: a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com, e.zdnscloud.cn, f.zdnscloud.cn, i.zdnscloud.cn, j.zdnscloud.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com...)

pfbuf.top - robtex.com

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