`pcap4j.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:981c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:39f5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.245^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.28^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3abb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lina.ns.cloudflare.com`
		A	108.162.192.187^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	172.64.32.187^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	173.245.58.187^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
NS	`terin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terin.ns.cloudflare.com`
		A	108.162.193.236^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	172.64.33.236^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	173.245.59.236^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
MX	`mx.pcap4j.org` ⭐
		A	160.251.151.213^{🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`s504.xrea.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.245, 172.67.152.28
		IPv6 hints	2606:4700:3031::ac43:981c, 2606:4700:3036::6815:39f5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOA	`lina.ns.cloudflare.com`dns@cloudflare.com serial=2406287430

`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=1784016470

Previously MX for

pcap4j.org

Subdomains

mx.pcap4j.org

Same first word

pcap4j.org

DNS History

17 records (7 active, 10 former)

●NSlina.ns.cloudflare.com2016-07-30 → 2026-07-14 · 3 obs

○ 2016-06-28 23:22:24
● 2016-07-30 13:34:24
● 2026-07-14 08:28:58

○NSns1.value-domain.com2015-06-04 → 2016-06-28 · 4 obs

● 2015-06-04 08:45:20
● 2016-06-28 23:22:24
○ 2016-07-30 13:34:24
○ 2026-07-14 08:28:58

○NSns2.value-domain.com2015-06-04 → 2016-06-28 · 4 obs

● 2015-06-04 08:45:20
● 2016-06-28 23:22:24
○ 2016-07-30 13:34:24
○ 2026-07-14 08:28:58

●NSterin.ns.cloudflare.com2016-07-30 → 2026-07-14 · 3 obs

○ 2016-06-28 23:22:24
● 2016-07-30 13:34:24
● 2026-07-14 08:28:58

●MXmx.pcap4j.org2017-03-28 → 2026-07-14 · 3 obs

○ 2016-07-30 13:34:24
● 2017-03-28 09:18:40
● 2026-07-14 08:28:58

○MXpcap4j.org2015-06-04 → 2016-07-30 · 4 obs

● 2015-06-04 08:45:20
● 2016-07-30 13:34:24
○ 2017-03-28 09:18:40
○ 2026-07-14 08:28:58

●A104.21.57.2452026-05-16 → 2026-07-14 · 3 obs

○ 2017-06-12 18:18:40
● 2026-05-16 00:44:12
● 2026-07-14 08:28:58

○A104.27.130.2002017-03-28 → 2017-06-12 · 5 obs

○ 2016-07-30 13:34:24
● 2017-03-28 09:18:40
● 2017-06-12 18:18:40
○ 2026-05-16 00:44:12
○ 2026-07-14 08:28:58

○A104.27.131.2002017-03-28 → 2017-06-12 · 5 obs

○ 2016-07-30 13:34:24
● 2017-03-28 09:18:40
● 2017-06-12 18:18:40
○ 2026-05-16 00:44:12
○ 2026-07-14 08:28:58

●A172.67.152.282026-05-16 → 2026-07-14 · 3 obs

○ 2017-06-12 18:18:40
● 2026-05-16 00:44:12
● 2026-07-14 08:28:58

○A203.189.105.2132015-06-04 → 2016-07-30 · 4 obs

● 2015-06-04 08:45:20
● 2016-07-30 13:34:24
○ 2017-03-28 09:18:40
○ 2026-07-14 08:28:58

○A2400:cb00:2048:1::681b:82c82017-03-28 → 2017-06-12 · 5 obs

○ 2016-07-30 13:34:24
● 2017-03-28 09:18:40
● 2017-06-12 18:18:40
○ 2026-05-16 00:44:12
○ 2026-07-14 08:28:58

○A2400:cb00:2048:1::681b:83c82017-03-28 → 2017-06-12 · 5 obs

○ 2016-07-30 13:34:24
● 2017-03-28 09:18:40
● 2017-06-12 18:18:40
○ 2026-05-16 00:44:12
○ 2026-07-14 08:28:58

○A2606:4700:3030::ac43:981c2026-05-16 → 2026-05-16 · 4 obs

○ 2017-06-12 18:18:40
● 2026-05-16 00:44:12
○ 2026-07-14 08:28:56
○ 2026-07-14 08:28:58

●A2606:4700:3031::ac43:981c2026-07-14 → 2026-07-14 · 3 obs

○ 2026-05-16 00:44:12
● 2026-07-14 08:28:56
● 2026-07-14 08:28:58

●A2606:4700:3036::6815:39f52026-07-14 → 2026-07-14 · 3 obs

○ 2026-05-16 00:44:12
● 2026-07-14 08:28:56
● 2026-07-14 08:28:58

○A2606:4700:3037::6815:39f52026-05-16 → 2026-05-16 · 4 obs

○ 2017-06-12 18:18:40
● 2026-05-16 00:44:12
○ 2026-07-14 08:28:56
○ 2026-07-14 08:28:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
pcap4j.org	lina.ns.cloudflare.com, terin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.187

NS records: lina.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pcap4j.org (unsigned zone)

⏱️ Timing

Total: 642ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.57.245, 172.67.152.28`
AAAA	2	`2606:4700:3031::ac43:981c, 2606:4700:3036::6815:39f5`
NS	2	`lina.ns.cloudflare.com, terin.ns.cloudflare.com`
MX	1	`mx.pcap4j.org (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lina.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

pcap4j.org is the parent zone for mx.pcap4j.org.

IP Addresses

pcap4j.org has four IP addresses: 104.21.57.245, 172.67.152.28, 2606:4700:3031::ac43:981c and 2606:4700:3036::6815:39f5.

Additional host names — beewe.com, sfzpxs.com, szdongfang.com and two others — share IP numbers with pcap4j.org.

Name Servers

The NS records for pcap4j.org delegate to lina.ns.cloudflare.com and terin.ns.cloudflare.com.

pcap4j.org shares its name server setup with other domains, including wynnathome.com, vndpays.com, foxborowynn.com and two others.

pcap4j.org partially shares its NS delegation with several other domains, including supplybr.com.br, senvix-ai.pro, devtrackers.gg and two others.

These name servers are frequently paired with the name servers harmony.ns.cloudflare.com, sevki.ns.cloudflare.com, trey.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

lina.ns.cloudflare.com maps to 108.162.192.187, 172.64.32.187, 173.245.58.187 and 3 additional IP addresses.

terin.ns.cloudflare.com maps to 108.162.193.236, 172.64.33.236, 173.245.59.236 and 3 additional IP addresses.

Mail Servers

pcap4j.org has one mail server: mx.pcap4j.org.

mx.pcap4j.org resolves to 160.251.151.213 and no other IP number.

pcap4j.org - robtex.com

pcap4j.org

org

Previously MX for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`pcap4j.org`

`org`