`isterserif.pro`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8ca5^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:412e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.46^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.165^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`houston.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
NS	`reza.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`reza.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`reza.ns.cloudflare.com`
		A	108.162.192.217^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	172.64.32.217^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	173.245.58.217^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.65.46, 172.67.140.165
		IPv6	2606:4700:3030::ac43:8ca5, 2606:4700:3031::6815:412e
SOA	`houston.ns.cloudflare.com`dns@cloudflare.com serial=2399393386

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1774536651

Same first word

isterserif.pro

Similar names

fireresist.co.uk

fireresist.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	d0.pro.afilias-nst.org, a2.pro.afilias-nst.info, b2.pro.afilias-nst.org, a0.pro.afilias-nst.info...	-
isterserif.pro	reza.ns.cloudflare.com, houston.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.217

NS records: reza.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isterserif.pro (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.165, 104.21.65.46`
AAAA	2	`2606:4700:3030::ac43:8ca5, 2606:4700:3031::6815:412e`
NS	2	`houston.ns.cloudflare.com, reza.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`houston.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

isterserif.pro points to four IP numbers: 2606:4700:3030::ac43:8ca5, 2606:4700:3031::6815:412e, 104.21.65.46 and 172.67.140.165.

Other host names including pokercard.cn, helpmyrental.com, www.xw-laser.com, caesarspin.gr and mail.capbiz.com share IP numbers with isterserif.pro.

Name Servers

isterserif.pro's delegation uses two name servers, houston.ns.cloudflare.com and reza.ns.cloudflare.com.

isterserif.pro shares the same name server setup as other domains, for example espacopelucia.com.br, ekonomca.ru, fresto.vip, fresto.biz and ledividende.com.

isterserif.pro at least partially shares name servers with other domains, including jlcaige.com, flipi.in, fiexaseal.com, andiamoincamper.it and blm2d.net.

These name servers are often used together with rosemary.ns.cloudflare.com.

Host names with six IP numbers:

houston.ns.cloudflare.com points to: 2606:4700:58::a29f:2c34, 2803:f800:50::6ca2:c334, 2a06:98c1:50::ac40:2334, 108.162.195.52, 162.159.44.52 and 172.64.35.52.

reza.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad9, 2803:f800:50::6ca2:c0d9, 2a06:98c1:50::ac40:20d9, 108.162.192.217, 172.64.32.217 and 173.245.58.217.

isterserif.pro - robtex.com

isterserif.pro

pro