`simblock.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:87ef^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1a6d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.109^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.239^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`celine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2662^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c262^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`celine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2262^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`celine.ns.cloudflare.com`
		A	108.162.194.98^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	162.159.38.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	172.64.34.98^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
NS	`sean.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sean.ns.cloudflare.com`
		A	108.162.193.231^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	172.64.33.231^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
		A	173.245.59.231^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sean.ns.cloudflare.com`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.109, 172.67.135.239
		IPv6 hints	2606:4700:3030::ac43:87ef, 2606:4700:3035::6815:1a6d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`celine.ns.cloudflare.com`dns@cloudflare.com serial=2406843811

`net`

	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=1784277187

Same first word

simblock.com

simblock.net

Similar names

blockims.com

DNS History

10 records (8 active, 2 former)

●NSceline.ns.cloudflare.com2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●NSsean.ns.cloudflare.com2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●MXmx00.ionos.de2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●MXmx01.ionos.de2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●A104.21.26.1092026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●A172.67.135.2392026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 15:16:06
● 2026-07-17 08:37:56

●A2606:4700:3030::ac43:87ef2026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-12 15:16:06
● 2026-07-17 08:37:54
● 2026-07-17 08:37:56

○A2606:4700:3031::6815:1a6d2026-06-12 → 2026-06-12 · 3 obs

● 2026-06-12 15:16:06
○ 2026-07-17 08:37:54
○ 2026-07-17 08:37:56

○A2606:4700:3033::ac43:87ef2026-06-12 → 2026-06-12 · 3 obs

● 2026-06-12 15:16:06
○ 2026-07-17 08:37:54
○ 2026-07-17 08:37:56

●A2606:4700:3035::6815:1a6d2026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-12 15:16:06
● 2026-07-17 08:37:54
● 2026-07-17 08:37:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
simblock.net	sean.ns.cloudflare.com, celine.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.98

NS records: sean.ns.cloudflare.com, celine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simblock.net (unsigned zone)

⏱️ Timing

Total: 334ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.239, 104.21.26.109`
AAAA	2	`2606:4700:3030::ac43:87ef, 2606:4700:3035::6815:1a6d`
NS	2	`celine.ns.cloudflare.com, sean.ns.cloudflare.com`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf.perfora.net include:`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`celine.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

simblock.net has four IP addresses: 104.21.26.109, 172.67.135.239, 2606:4700:3030::ac43:87ef and 2606:4700:3035::6815:1a6d.

Two other host names, along with sfcap.com.cn, hindmovie.icu and commercialinsurancecalgary.ca, also share IP numbers with simblock.net.

Name Servers

simblock.net is served by two delegated name servers, celine.ns.cloudflare.com and sean.ns.cloudflare.com.

simblock.net shares its NS records with other domains, for example dorahuketorews.biz.id, loqokonopo.biz.id, happennino.net and two others.

simblock.net has at least partial name server overlap with other domains, such as sloopdemuur.nl, tuwixagokaorindustries12.digital, vai.eu and two others.

These name servers tend to appear together with the name servers luciana.ns.cloudflare.com, miles.ns.cloudflare.com and ivan.ns.cloudflare.com.

DNS names with 6 IP addresses:

celine.ns.cloudflare.com carries IP addresses 108.162.194.98, 162.159.38.98 and 172.64.34.98, with 3 other addresses beyond those.

sean.ns.cloudflare.com carries IP addresses 108.162.193.231, 172.64.33.231 and 173.245.59.231, with 3 other addresses beyond those.

Mail Servers

simblock.net is served by two mail servers, mx00.ionos.de and mx01.ionos.de.

Among the domains sharing a mail server setup with simblock.net are sv-winkler.de, schlosspark-biebrich.info, astoria-pforzheim.de and two others.

The mail servers of simblock.net are at least partially shared with other domains, including avocado-booking.com.

mx00.ionos.de directs to 212.227.15.41 and mx01.ionos.de directs to 217.72.192.67; each host name points to exactly one IP number.

simblock.net - robtex.com

simblock.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`simblock.net`

`net`