`therfcc.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:50db^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bb48^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.219^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.72^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emerson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c360^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2360^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerson.ns.cloudflare.com`
		A	108.162.195.96^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	162.159.44.96^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	172.64.35.96^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
NS	`meiling.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fe^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meiling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fe^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meiling.ns.cloudflare.com`
		A	108.162.194.254^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	162.159.38.254^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	172.64.34.254^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.219, 172.67.187.72
		IPv6 hints	2606:4700:3034::6815:50db, 2606:4700:3035::ac43:bb48
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`emerson.ns.cloudflare.com`dns@cloudflare.com serial=2398941162

`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=1775126349

WOT: SAFE (65/100)

Same first word

therfcc.org

therfcc.com

Similar names

rfctech.com

fcrtech.com

frctech.net

thefcrc.org

chercft.ru

fcrtech.cz

DNS History

16 records (6 active, 10 former)

●NSemerson.ns.cloudflare.com2026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

●NSmeiling.ns.cloudflare.com2026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

○NSns1.parklogic.com2015-07-11 → 2019-02-04 · 4 obs

● 2015-07-11 18:09:34
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○NSns2.parklogic.com2015-07-11 → 2019-02-04 · 4 obs

● 2015-07-11 18:09:34
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○NSns3.parklogic.com2015-07-11 → 2019-02-04 · 4 obs

● 2015-07-11 18:09:34
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○NSns4.parklogic.com2015-07-11 → 2019-02-04 · 4 obs

● 2015-07-11 18:09:34
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○NSns5.parklogic.com2015-07-11 → 2019-02-04 · 4 obs

● 2015-07-11 18:09:34
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○MXallmail.parklogic.com2015-07-11 → 2017-02-10 · 4 obs

● 2015-07-11 18:09:34
● 2017-02-10 01:35:52
○ 2019-02-04 20:36:12
○ 2026-04-02 10:51:58

○MXmx156.hostedmxserver.com2019-02-04 → 2019-02-04 · 4 obs

○ 2017-02-10 01:35:52
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

●A104.21.80.2192026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

●A172.67.187.722026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

○A172.99.89.2072015-11-29 → 2017-02-10 · 5 obs

○ 2015-07-11 18:09:34
● 2015-11-29 13:20:10
● 2017-02-10 01:35:52
○ 2019-02-04 20:36:12
○ 2026-04-02 10:51:58

●A2606:4700:3034::6815:50db2026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

●A2606:4700:3035::ac43:bb482026-03-27 → 2026-04-02 · 3 obs

○ 2019-02-04 20:36:12
● 2026-03-27 01:30:20
● 2026-04-02 10:51:58

○A72.52.179.1752019-02-04 → 2019-02-04 · 4 obs

○ 2017-02-10 01:35:52
● 2019-02-04 20:36:12
○ 2026-03-27 01:30:20
○ 2026-04-02 10:51:58

○A74.200.250.1462015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 18:09:34
○ 2015-11-29 13:20:10
○ 2026-04-02 10:51:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
therfcc.org	emerson.ns.cloudflare.com, meiling.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.96

NS records: emerson.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for therfcc.org (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.219, 172.67.187.72`
AAAA	2	`2606:4700:3034::6815:50db, 2606:4700:3035::ac43:bb48`
NS	2	`emerson.ns.cloudflare.com, meiling.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emerson.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

therfcc.org resolves to four IPs: 2606:4700:3034::6815:50db, 2606:4700:3035::ac43:bb48, 104.21.80.219 and 172.67.187.72.

Other host names, for instance brightview.id, mail.pasco.mobi, twodots.com.tr.cdn.cloudflare.net, d-qu.net and www.qjewo.buzz share IP numbers with therfcc.org.

Name Servers

therfcc.org has two name servers: emerson.ns.cloudflare.com and meiling.ns.cloudflare.com.

therfcc.org shares the same name server setup as other domains, for example tango.vision, tangovision.dev, zeusvision.com.br, dopebreeders.com and mirinfo.net.

therfcc.org shares some name servers with other domains, for example astrodynamics247.sbs, strataelevatenetwork.click, skyultralogic.digital, ks-dhl.com and blitzlondon.co.uk.

These name servers are commonly used with the name servers vasilii.ns.cloudflare.com.

Host names with six IP numbers: emerson.ns.cloudflare.com points to: 2606:4700:58::a29f:2c60, 2803:f800:50::6ca2:c360, 2a06:98c1:50::ac40:2360, 108.162.195.96, 162.159.44.96 and 172.64.35.96; meiling.ns.cloudflare.com points to: 2606:4700:50::a29f:26fe, 2803:f800:50::6ca2:c2fe, 2a06:98c1:50::ac40:22fe, 108.162.194.254, 162.159.38.254 and 172.64.34.254.

therfcc.org - robtex.com

therfcc.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`therfcc.org`

`org`