simsl.org - dns.ninja

`simsl.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2ae2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a725^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.226^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.37^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mack.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c25^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c325^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2325^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mack.ns.cloudflare.com`
		A	108.162.195.37^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	162.159.44.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	172.64.35.37^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
NS	`sreeni.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sreeni.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sreeni.ns.cloudflare.com`
		A	108.162.194.178^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	162.159.38.178^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	172.64.34.178^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.226, 172.67.167.37
		IPv6 hints	2606:4700:3031::6815:2ae2, 2606:4700:3037::ac43:a725
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOA	`mack.ns.cloudflare.com`dns@cloudflare.com serial=2404589025

`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=1781522794

Same first word

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DNS History

16 records (6 active, 10 former)

●NSmack.ns.cloudflare.com2026-05-22 → 2026-06-15 · 3 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
● 2026-06-15 12:05:22

○NSns.namespace4you.de2015-08-09 → 2017-04-18 · 4 obs

● 2015-08-09 05:12:46
● 2017-04-18 10:07:28
○ 2026-05-22 10:45:06
○ 2026-06-15 12:05:22

○NSns2.namespace4you.de2015-08-09 → 2017-04-18 · 4 obs

● 2015-08-09 05:12:46
● 2017-04-18 10:07:28
○ 2026-05-22 10:45:06
○ 2026-06-15 12:05:22

●NSsreeni.ns.cloudflare.com2026-05-22 → 2026-06-15 · 3 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
● 2026-06-15 12:05:22

○MXmxlb.ispgateway.de2015-08-09 → 2017-04-18 · 4 obs

● 2015-08-09 05:12:46
● 2017-04-18 10:07:28
○ 2026-05-22 10:45:06
○ 2026-06-15 12:05:22

●A104.21.42.2262026-05-31 → 2026-06-15 · 3 obs

○ 2026-05-22 10:45:06
● 2026-05-31 23:13:34
● 2026-06-15 12:05:22

●A172.67.167.372026-05-31 → 2026-06-15 · 3 obs

○ 2026-05-22 10:45:06
● 2026-05-31 23:13:34
● 2026-06-15 12:05:22

○A188.114.96.02026-05-22 → 2026-05-22 · 4 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
○ 2026-05-31 23:13:34
○ 2026-06-15 12:05:22

○A188.114.97.02026-05-22 → 2026-05-22 · 4 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
○ 2026-05-31 23:13:34
○ 2026-06-15 12:05:22

●A2606:4700:3031::6815:2ae22026-05-31 → 2026-06-15 · 3 obs

○ 2026-05-22 10:45:06
● 2026-05-31 23:13:34
● 2026-06-15 12:05:22

●A2606:4700:3037::ac43:a7252026-05-31 → 2026-06-15 · 3 obs

○ 2026-05-22 10:45:06
● 2026-05-31 23:13:34
● 2026-06-15 12:05:22

○A2a00:1158:0:300:ebe4::12015-08-09 → 2016-03-17 · 4 obs

● 2015-08-09 05:12:46
● 2016-03-17 23:10:22
○ 2016-07-22 15:40:26
○ 2026-06-15 12:05:22

○A2a00:1158:1000:300::2132016-07-22 → 2017-04-18 · 5 obs

○ 2016-03-17 23:10:22
● 2016-07-22 15:40:26
● 2017-04-18 10:07:28
○ 2026-05-22 10:45:06
○ 2026-06-15 12:05:22

○A2a06:98c1:3120::2026-05-22 → 2026-05-22 · 4 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
○ 2026-05-31 23:13:34
○ 2026-06-15 12:05:22

○A2a06:98c1:3121::2026-05-22 → 2026-05-22 · 4 obs

○ 2017-04-18 10:07:28
● 2026-05-22 10:45:06
○ 2026-05-31 23:13:34
○ 2026-06-15 12:05:22

○A80.67.17.192015-08-09 → 2017-04-18 · 4 obs

● 2015-08-09 05:12:46
● 2017-04-18 10:07:28
○ 2026-05-22 10:45:06
○ 2026-06-15 12:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
simsl.org	mack.ns.cloudflare.com, sreeni.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.37

NS records: mack.ns.cloudflare.com, sreeni.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simsl.org (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.37, 104.21.42.226`
AAAA	2	`2606:4700:3031::6815:2ae2, 2606:4700:3037::ac43:a725`
NS	2	`mack.ns.cloudflare.com, sreeni.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mack.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

simsl.org resolves to four IP addresses: 104.21.42.226, 172.67.167.37, 2606:4700:3031::6815:2ae2 and 2606:4700:3037::ac43:a725.

jkinfonet.com.br, kbao7755.de, www.eatblum.com and two other host names share IP numbers with simsl.org.

Name Servers

simsl.org uses two name servers for its delegation: mack.ns.cloudflare.com and sreeni.ns.cloudflare.com.

simsl.org uses the same name servers as several other domains — among them persianitc.com, oja.me, smarcwebhost.com and two more.

simsl.org partially shares its NS delegation with several other domains, including adpolar.com, spinplusgrid.us, annikids.de and two others.

These name servers are regularly seen alongside lovisa.ns.cloudflare.com and rajeev.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

Hostname mack.ns.cloudflare.com directs to 108.162.195.37, 162.159.44.37 and 172.64.35.37 along with 3 other IP addresses.

Hostname sreeni.ns.cloudflare.com directs to 108.162.194.178, 162.159.38.178 and 172.64.34.178 along with 3 other IP addresses.