`startupweekcha.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4b7f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:afda^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.127^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.218^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`karsyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karsyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karsyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karsyn.ns.cloudflare.com`
		A	108.162.194.194^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karsyn.ns.cloudflare.com`
		A	162.159.38.194^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karsyn.ns.cloudflare.com`
		A	172.64.34.194^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karsyn.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.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	104.21.75.127, 172.67.175.218
		IPv6 hints	2606:4700:3036::6815:4b7f, 2606:4700:3036::ac43:afda
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOA	`karsyn.ns.cloudflare.com`dns@cloudflare.com serial=2401172609

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777036706

Subdomains

www.startupweekcha.com

Same first word

startupweekcha.com

DNS History

19 records (7 active, 12 former)

●NSkarsyn.ns.cloudflare.com2026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

○NSrita.ns.cloudflare.com2015-08-17 → 2017-06-03 · 4 obs

● 2015-08-17 04:41:16
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○NSrob.ns.cloudflare.com2015-08-17 → 2017-06-03 · 4 obs

● 2015-08-17 04:41:16
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

●NStoby.ns.cloudflare.com2026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

○MXalt1.aspmx.l.google.com2016-03-21 → 2017-06-03 · 5 obs

○ 2015-08-17 04:41:16
● 2016-03-21 19:54:54
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○MXalt2.aspmx.l.google.com2016-03-21 → 2017-06-03 · 5 obs

○ 2015-08-17 04:41:16
● 2016-03-21 19:54:54
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○MXalt3.aspmx.l.google.com2016-03-21 → 2017-06-03 · 5 obs

○ 2015-08-17 04:41:16
● 2016-03-21 19:54:54
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○MXaspmx.l.google.com2016-03-21 → 2017-06-03 · 5 obs

○ 2015-08-17 04:41:16
● 2016-03-21 19:54:54
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○MXmail.startupweekcha.com2015-08-17 → 2017-06-03 · 4 obs

● 2015-08-17 04:41:16
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

●MXmx.stackmail.com2026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

○A104.130.28.232015-12-18 → 2016-08-13 · 5 obs

○ 2015-08-17 04:41:16
● 2015-12-18 04:21:36
● 2016-08-13 18:56:02
○ 2017-06-03 06:19:12
○ 2026-04-24 13:44:00

●A104.21.75.1272026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

○A104.28.8.642015-08-17 → 2017-06-03 · 6 obs

● 2015-08-17 04:41:16
○ 2015-12-18 04:21:36
○ 2016-08-13 18:56:02
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○A104.28.9.642015-08-17 → 2017-06-03 · 6 obs

● 2015-08-17 04:41:16
○ 2015-12-18 04:21:36
○ 2016-08-13 18:56:02
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

●A172.67.175.2182026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

○A2400:cb00:2048:1::681c:8402017-06-03 → 2017-06-03 · 4 obs

○ 2016-08-13 18:56:02
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

○A2400:cb00:2048:1::681c:9402017-06-03 → 2017-06-03 · 4 obs

○ 2016-08-13 18:56:02
● 2017-06-03 06:19:12
○ 2026-04-11 03:17:02
○ 2026-04-24 13:44:00

●A2606:4700:3036::6815:4b7f2026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

●A2606:4700:3036::ac43:afda2026-04-11 → 2026-04-24 · 3 obs

○ 2017-06-03 06:19:12
● 2026-04-11 03:17:02
● 2026-04-24 13:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
startupweekcha.com	toby.ns.cloudflare.com, karsyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.194

NS records: toby.ns.cloudflare.com, karsyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for startupweekcha.com (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.127, 172.67.175.218`
AAAA	2	`2606:4700:3036::6815:4b7f, 2606:4700:3036::ac43:afda`
NS	2	`karsyn.ns.cloudflare.com, toby.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	`karsyn.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (toby.ns.cloudflare.com, toby.ns.cloudflare.com, toby.ns.cloudflare.com...)

Analysis

Hierarchy

startupweekcha.com is the parent of www.startupweekcha.com.

IP Addresses

startupweekcha.com resolves to four IP numbers: 2606:4700:3036::6815:4b7f, 2606:4700:3036::ac43:afda, 104.21.75.127 and 172.67.175.218.

other host names for instance ssmdjy.com, www.startupweekcha.com, wisdomparadise.com, getintopca.com and orologireplicaorologi.com share IP numbers with startupweekcha.com.

Name Servers

startupweekcha.com is delegated to two name servers: karsyn.ns.cloudflare.com and toby.ns.cloudflare.com.

startupweekcha.com shares the same name server setup as other domains, for example karyapuisi.com, tradingknights.com, kookaburrariverqueens.com, laptopfinder.org and officescoo.com.

startupweekcha.com at least partially shares name servers with other domains, for instance leaddly.com, aldozcvv.vu, 6491-gozabet.com, futurespincasino.com and by0b1j6.com.

These name servers are often used with ollie.ns.cloudflare.com and chase.ns.cloudflare.com.

Host names with six IP numbers:

karsyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26c2, 2803:f800:50::6ca2:c2c2, 2a06:98c1:50::ac40:22c2, 108.162.194.194, 162.159.38.194 and 172.64.34.194; toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

Mail Servers

startupweekcha.com is handled by a single mail server, mx.stackmail.com.

startupweekcha.com shares the same mail server setup as other domains, for instance chocolatepoker.rs, w88zx.com, officerecycling-bins.co.uk, bardotridderkerk.nl and craftsguides.com.

startupweekcha.com shares some mail servers with other domains at least partially, for example asiapowersolutions.com.

Host name mx.stackmail.com points to IP address 185.151.28.67.

startupweekcha.com - robtex.com