pgkb.org - dns.ninja

`pgkb.org`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3035::6815:14fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c33f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.253^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.63^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`beau.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c149^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beau.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2149^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beau.ns.cloudflare.com`
		A	108.162.193.73^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	172.64.33.73^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
		A	173.245.59.73^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beau.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.253, 172.67.195.63
		IPv6 hints	2606:4700:3035::6815:14fd, 2606:4700:3037::ac43:c33f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`beau.ns.cloudflare.com`dns@cloudflare.com serial=2407063739

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782720280

Same first word

pgkb.org

pgkb.ru

pgkb.com

pgkb.net

pgkb.cn

pgkb.cz

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DNS History

16 records (6 active, 10 former)

●NSbeau.ns.cloudflare.com2016-11-26 → 2026-06-29 · 3 obs

○ 2016-04-11 07:52:20
● 2016-11-26 03:10:12
● 2026-06-29 08:31:02

○NSns95.worldnic.com2015-05-10 → 2016-04-11 · 4 obs

● 2015-05-10 16:12:28
● 2016-04-11 07:52:20
○ 2016-11-26 03:10:12
○ 2026-06-29 08:31:02

○NSns96.worldnic.com2015-05-10 → 2016-04-11 · 4 obs

● 2015-05-10 16:12:28
● 2016-04-11 07:52:20
○ 2016-11-26 03:10:12
○ 2026-06-29 08:31:02

●NSulla.ns.cloudflare.com2016-11-26 → 2026-06-29 · 3 obs

○ 2016-04-11 07:52:20
● 2016-11-26 03:10:12
● 2026-06-29 08:31:02

○MXp.webcom.ctmail.com2016-04-11 → 2016-04-11 · 3 obs

● 2016-04-11 07:52:20
○ 2016-11-26 03:10:12
○ 2026-06-29 08:31:02

●A104.21.20.2532026-03-08 → 2026-06-29 · 3 obs

○ 2017-09-02 08:27:16
● 2026-03-08 01:58:04
● 2026-06-29 08:31:02

○A104.28.12.1282017-09-02 → 2017-09-02 · 4 obs

○ 2016-11-26 03:10:12
● 2017-09-02 08:27:16
○ 2026-03-08 01:58:04
○ 2026-06-29 08:31:02

○A104.28.13.1282017-09-02 → 2017-09-02 · 4 obs

○ 2016-11-26 03:10:12
● 2017-09-02 08:27:16
○ 2026-03-08 01:58:04
○ 2026-06-29 08:31:02

●A172.67.195.632026-03-08 → 2026-06-29 · 3 obs

○ 2017-09-02 08:27:16
● 2026-03-08 01:58:04
● 2026-06-29 08:31:02

○A208.91.197.262015-05-10 → 2016-04-11 · 4 obs

● 2015-05-10 16:12:28
● 2016-04-11 07:52:20
○ 2016-11-26 03:10:12
○ 2026-06-29 08:31:02

○A2400:cb00:2048:1::681c:c802017-09-02 → 2017-09-02 · 4 obs

○ 2016-11-26 03:10:12
● 2017-09-02 08:27:16
○ 2026-03-08 01:58:04
○ 2026-06-29 08:31:02

○A2400:cb00:2048:1::681c:d802017-09-02 → 2017-09-02 · 4 obs

○ 2016-11-26 03:10:12
● 2017-09-02 08:27:16
○ 2026-03-08 01:58:04
○ 2026-06-29 08:31:02

○A2606:4700:3030::ac43:c33f2026-03-08 → 2026-06-11 · 5 obs

○ 2017-09-02 08:27:16
● 2026-03-08 01:58:04
● 2026-06-11 06:59:36
○ 2026-06-29 08:31:00
○ 2026-06-29 08:31:02

○A2606:4700:3031::6815:14fd2026-03-08 → 2026-06-11 · 5 obs

○ 2017-09-02 08:27:16
● 2026-03-08 01:58:04
● 2026-06-11 06:59:36
○ 2026-06-29 08:31:00
○ 2026-06-29 08:31:02

●A2606:4700:3035::6815:14fd2026-06-29 → 2026-06-29 · 3 obs

○ 2026-06-11 06:59:36
● 2026-06-29 08:31:00
● 2026-06-29 08:31:02

●A2606:4700:3037::ac43:c33f2026-06-29 → 2026-06-29 · 3 obs

○ 2026-06-11 06:59:36
● 2026-06-29 08:31:00
● 2026-06-29 08:31:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
pgkb.org	ulla.ns.cloudflare.com, beau.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.73

NS records: ulla.ns.cloudflare.com, beau.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.20.253, 172.67.195.63`
AAAA	2	`2606:4700:3035::6815:14fd, 2606:4700:3037::ac43:c33f`
NS	2	`beau.ns.cloudflare.com, ulla.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`beau.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

pgkb.org resolves to four IP addresses: 104.21.20.253, 172.67.195.63, 2606:4700:3035::6815:14fd and 2606:4700:3037::ac43:c33f.

Additional host names — pandyra.com, nguucat.vn, lifeanday.com and two others — share IP numbers with pgkb.org.

Name Servers

pgkb.org uses two name servers for its delegation: beau.ns.cloudflare.com and ulla.ns.cloudflare.com.

pgkb.org shares its name server setup with other domains, including cwv.io, uxify.com, pharmgkb.net and two others.

pgkb.org has at least partial name server overlap with other domains, such as xinyuewanju.com, e-form.org, 16why.com and two others.

It is common to see these name servers used together with name servers clay.ns.cloudflare.com and aida.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname beau.ns.cloudflare.com directs to 108.162.193.73, 172.64.33.73 and 173.245.59.73 along with 3 other IP addresses.

Hostname ulla.ns.cloudflare.com directs to 108.162.192.233, 172.64.32.233 and 173.245.58.233 along with 3 other IP addresses.