`bts-tc.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a8cc^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:2ead^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.173^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.204^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cecelia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2687^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c287^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cecelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2287^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cecelia.ns.cloudflare.com`
		A	108.162.194.135^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	162.159.38.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	172.64.34.135^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.173, 172.67.168.204
		IPv6 hints	2606:4700:3030::ac43:a8cc, 2606:4700:3033::6815:2ead
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOA	`cecelia.ns.cloudflare.com`dns@cloudflare.com serial=2398481774

`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=1776004482

WOT: SAFE (61/100)

Previously NS for

bts-tc.org

Same first word

bts-tc.org

Similar names

sbc-tt.com

DNS History

13 records (7 active, 6 former)

○NSbts-tc.org2015-07-08 → 2017-11-21 · 5 obs

○ 2009-01-28 13:53:32
● 2015-07-08 18:24:22
● 2017-11-21 07:19:42
○ 2026-04-11 03:17:58
○ 2026-04-12 14:43:54

●NScecelia.ns.cloudflare.com2026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

○NSns.ovh.net2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 13:53:32
○ 2015-07-08 18:24:22
○ 2026-04-12 14:43:54

○NSns31133.ovh.net2009-01-28 → 2017-11-21 · 4 obs

● 2009-01-28 13:53:32
● 2017-11-21 07:19:42
○ 2026-04-11 03:17:58
○ 2026-04-12 14:43:54

○NSsdns2.ovh.net2015-07-08 → 2017-11-21 · 5 obs

○ 2009-01-28 13:53:32
● 2015-07-08 18:24:22
● 2017-11-21 07:19:42
○ 2026-04-11 03:17:58
○ 2026-04-12 14:43:54

●NStrey.ns.cloudflare.com2026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

○MXmail.bts-tc.org2015-07-08 → 2017-11-21 · 5 obs

○ 2009-01-28 13:53:32
● 2015-07-08 18:24:22
● 2017-11-21 07:19:42
○ 2026-04-11 03:17:58
○ 2026-04-12 14:43:54

●MXmx.stackmail.com2026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

●A104.21.46.1732026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

●A172.67.168.2042026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

○A213.186.58.1812015-07-08 → 2017-11-21 · 5 obs

○ 2009-01-28 13:53:32
● 2015-07-08 18:24:22
● 2017-11-21 07:19:42
○ 2026-04-11 03:17:58
○ 2026-04-12 14:43:54

●A2606:4700:3030::ac43:a8cc2026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

●A2606:4700:3033::6815:2ead2026-04-11 → 2026-04-12 · 3 obs

○ 2017-11-21 07:19:42
● 2026-04-11 03:17:58
● 2026-04-12 14:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
bts-tc.org	cecelia.ns.cloudflare.com, trey.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.242

NS records: cecelia.ns.cloudflare.com, trey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bts-tc.org (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.204, 104.21.46.173`
AAAA	2	`2606:4700:3033::6815:2ead, 2606:4700:3030::ac43:a8cc`
NS	2	`cecelia.ns.cloudflare.com, trey.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cecelia.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

bts-tc.org refers to four IP numbers: 2606:4700:3030::ac43:a8cc, 2606:4700:3033::6815:2ead, 104.21.46.173 and 172.67.168.204.

Other host names, for instance www.oblaaezkiofaa.online, payswiss.com, netklopam.ru, m.7870888.com and grunnleggendesykepleie.com share IP numbers with bts-tc.org.

Name Servers

bts-tc.org's delegation uses two name servers: cecelia.ns.cloudflare.com and trey.ns.cloudflare.com.

bts-tc.org uses the same name server setup as other domains, such as ekey.lv, ekey.at, xoilac86v.cc, xoilac86p.cc and goshorty.net.

bts-tc.org at least partially shares name servers with other domains, including guthyjacksonfoundation.org, tivistation.com, thabett.io, rexasfinancedatafix.pages.dev and peitelai.com.

These name servers are often used with dale.ns.cloudflare.com and terin.ns.cloudflare.com.

Host names with six IP numbers:

cecelia.ns.cloudflare.com points to 2606:4700:50::a29f:2687, 2803:f800:50::6ca2:c287, 2a06:98c1:50::ac40:2287, 108.162.194.135, 162.159.38.135 and 172.64.34.135.

trey.ns.cloudflare.com points to 2606:4700:58::adf5:3bf2, 2803:f800:50::6ca2:c1f2, 2a06:98c1:50::ac40:21f2, 108.162.193.242, 172.64.33.242 and 173.245.59.242.

Mail Servers

A single mail server handles bts-tc.org, mx.stackmail.com.

bts-tc.org shares the same mail server setup as other domains, for instance gcerental.com, atdcp.com, altema.com.tr, ethiostandards.org and apartmentbudapest.net.

Host name mx.stackmail.com resolves to a single IP: 185.151.28.67.

bts-tc.org - robtex.com

bts-tc.org

org

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`bts-tc.org`

`org`