`duffryn.org`

DNSSEC	⚠️ Not signed
A	44.227.65.245^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
		PTR	`ec2-44-227-65-245.us-west-2.compute.amazonaws.com`
A	44.227.76.166^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=3FGlPJ8lpux90XfLP2UK`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2397645365

`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=1774385526

Same first word

duffryn.org

duffryn.com

DNS History

16 records (9 active, 7 former)

●NScuritiba.ns.porkbun.com2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

●NSfortaleza.ns.porkbun.com2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

●NSmaceio.ns.porkbun.com2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

○NSns0.ifl.net2015-07-02 → 2015-11-12 · 4 obs

● 2015-07-02 17:05:14
● 2015-11-12 15:11:20
○ 2016-02-27 12:40:22
○ 2026-03-24 21:00:30

○NSns1.ifl.net2015-07-02 → 2015-11-12 · 4 obs

● 2015-07-02 17:05:14
● 2015-11-12 15:11:20
○ 2016-02-27 12:40:22
○ 2026-03-24 21:00:30

○NSns43.domaincontrol.com2016-02-27 → 2017-06-28 · 5 obs

○ 2015-11-12 15:11:20
● 2016-02-27 12:40:22
● 2017-06-28 12:40:44
○ 2026-03-01 12:06:10
○ 2026-03-24 21:00:30

○NSns44.domaincontrol.com2016-02-27 → 2017-06-28 · 5 obs

○ 2015-11-12 15:11:20
● 2016-02-27 12:40:22
● 2017-06-28 12:40:44
○ 2026-03-01 12:06:10
○ 2026-03-24 21:00:30

●NSsalvador.ns.porkbun.com2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

○MXin.mx.ifl.net2015-07-02 → 2015-11-12 · 4 obs

● 2015-07-02 17:05:14
● 2015-11-12 15:11:20
○ 2016-02-27 12:40:22
○ 2026-03-24 21:00:30

○MXmail.duffryn.org2016-02-27 → 2017-06-28 · 5 obs

○ 2015-11-12 15:11:20
● 2016-02-27 12:40:22
● 2017-06-28 12:40:44
○ 2026-03-01 12:06:10
○ 2026-03-24 21:00:30

●MXmx1.feishu.cn2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

●MXmx2.feishu.cn2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

●MXmx3.feishu.cn2026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

○A184.168.221.482016-02-27 → 2017-06-28 · 4 obs

● 2016-02-27 12:40:22
● 2017-06-28 12:40:44
○ 2026-03-01 12:06:10
○ 2026-03-24 21:00:30

●A44.227.65.2452026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

●A44.227.76.1662026-03-01 → 2026-03-24 · 3 obs

○ 2017-06-28 12:40:44
● 2026-03-01 12:06:10
● 2026-03-24 21:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
duffryn.org	maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duffryn.org (unsigned zone)

⏱️ Timing

Total: 930ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`44.227.65.245, 44.227.76.166`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=3FGlPJ`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

Analysis

IP Addresses

duffryn.org resolves to two IP numbers: 44.227.65.245 and 44.227.76.166.

Other host names, for instance lmprqdjkgg.xyz, fowlflu.com, studiodevico.com, kubitagency.com and stroim.online share IP numbers with duffryn.org.

Name Servers

duffryn.org is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

duffryn.org shares some name servers with other domains, for example terrapartners.ca, greenshot.com, konsulati.info, vumis.net and alexdixon.net.

Host names with two IP numbers

Two IPs per host:

curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37

fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140

maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180

salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150

Mail Servers

duffryn.org is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

duffryn.org shares some mail servers with other domains, at least partially; for instance kyfungame.com, quanist.com, qqtaoke.cn, aactek.com and zaoa.com.

Host names with three IP numbers: mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers: mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names with one IP number: mx1.feishu.cn points to 52.220.106.220.

Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.

duffryn.org - robtex.com

duffryn.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`duffryn.org`

`org`