`preventbackflow.com`

DNSSEC	⚠️ Not signed
A	69.7.227.248^{🇺🇸 TierPoint69.7.224.0/22}
		PTR	`watersmart.aquaamerica.com`
NS	`ns11.worldnic.com` ⭐
		A	162.159.26.214^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns12.worldnic.com`
		A	162.159.27.150^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS11.WORLDNIC.com`namehost@WORLDNIC.com serial=113060423

`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=1774880287

Subdomains

www.preventbackflow.com

DNS History

4 records (3 active, 1 former)

●NSns11.worldnic.com2015-07-26 → 2026-03-30 · 2 obs

● 2015-07-26 14:09:26
● 2026-03-30 14:20:04

●NSns12.worldnic.com2015-07-26 → 2026-03-30 · 2 obs

● 2015-07-26 14:09:26
● 2026-03-30 14:20:04

○MXp.webcom.ctmail.com2015-12-08 → 2017-04-18 · 4 obs

● 2015-12-08 12:27:54
● 2017-04-18 15:51:50
○ 2020-04-14 18:09:12
○ 2026-03-30 14:20:04

●A69.7.227.2482015-07-26 → 2026-03-30 · 2 obs

● 2015-07-26 14:09:26
● 2026-03-30 14:20:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
preventbackflow.com	ns11.worldnic.com, ns12.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.214

NS records: ns11.worldnic.com, ns12.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preventbackflow.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`69.7.227.248`
NS	2	`ns12.worldnic.com, ns11.worldnic.com`
SOA	1	`NS11.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns11.worldnic.com, ns12.worldnic.com)

Analysis

Hierarchy

preventbackflow.com is a parent of www.preventbackflow.com.

IP Addresses

preventbackflow.com points to a single IP number: 69.7.227.248.

Other host names, for instance aquafla.com, aquasc.com, aqua-america.com, www.aquaamericainc.com and www.preventbackflow.com share IP numbers with preventbackflow.com.

Name Servers

Delegation for preventbackflow.com rests with two name servers, ns11.worldnic.com and ns12.worldnic.com.

preventbackflow.com shares the same name server setup as other domains, including projecteducationkenya.org, recast.fm, krandp.cn, wkprchicago.com and pioneerinsurance.com.

preventbackflow.com shares name servers with other domains at least partially, for example corepoint.solutions.

Host names with one IP number: ns11.worldnic.com points to 162.159.26.214; ns12.worldnic.com points to 162.159.27.150.

preventbackflow.com - robtex.com