🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`testingbackflow.com`

DNSSEC	⚠️ Not signed
A	66.198.240.38^{🇺🇸 arborcloud66.198.240.0/24}
		PTR	`mi3-cl9-its4.a2hosting.com`
NS	`ns1.a2hosting.com` ⭐
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns2.a2hosting.com`
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`ns3.a2hosting.com`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.a2hosting.com`
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
MX	`testingbackflow.com` ⭐
		A	66.198.240.38^{🇺🇸 arborcloud66.198.240.0/24}
			PTR	`mi3-cl9-its4.a2hosting.com`
TXT	`v=spf1 ip4:66.198.240.38 include:spf.a2hosting.com ip4:75.98.175.107 include:...`
SOA	`ns1.a2hosting.com`root@mi3-cl9-its4.a2hosting.com 2026-08-18 #1

`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=1788334400

MX for

testingbackflow.com

Same first word

testingbackflow.com

Similar names

backflowtesting.com

backflowtesting.org

backflowtesting.ca

backflowtesting.ai

backflowtesting.mobi

backflowtesting.co

backflowtesting.com.au

backflowtesting.biz

backflowtesting.net

backflowtesting.pages.dev

Previous names

Next names

DNS History

14 records (6 active, 8 former)

●NSns1.a2hosting.com2026-08-22 → 2026-09-02 · 3 obs

○ 2017-09-22 16:26:16
● 2026-08-22 02:48:44
● 2026-09-02 07:58:40

○NSns1.texaspeachwebhosting.com2015-05-20 → 2016-04-24 · 4 obs

● 2015-05-20 09:45:20
● 2016-04-24 09:58:10
○ 2016-12-05 23:48:50
○ 2026-09-02 07:58:40

○NSns1.thesearchenginetrain.com2016-12-05 → 2017-09-22 · 5 obs

○ 2016-04-24 09:58:10
● 2016-12-05 23:48:50
● 2017-09-22 16:26:16
○ 2026-08-22 02:48:44
○ 2026-09-02 07:58:40

●NSns2.a2hosting.com2026-08-22 → 2026-09-02 · 3 obs

○ 2017-09-22 16:26:16
● 2026-08-22 02:48:44
● 2026-09-02 07:58:40

○NSns2.texaspeachwebhosting.com2015-05-20 → 2016-04-24 · 4 obs

● 2015-05-20 09:45:20
● 2016-04-24 09:58:10
○ 2016-12-05 23:48:50
○ 2026-09-02 07:58:40

○NSns2.thesearchenginetrain.com2016-12-05 → 2017-09-22 · 5 obs

○ 2016-04-24 09:58:10
● 2016-12-05 23:48:50
● 2017-09-22 16:26:16
○ 2026-08-22 02:48:44
○ 2026-09-02 07:58:40

●NSns3.a2hosting.com2026-08-22 → 2026-09-02 · 3 obs

○ 2017-09-22 16:26:16
● 2026-08-22 02:48:44
● 2026-09-02 07:58:40

●NSns4.a2hosting.com2026-08-22 → 2026-09-02 · 3 obs

○ 2017-09-22 16:26:16
● 2026-08-22 02:48:44
● 2026-09-02 07:58:40

○MXmail.testingbackflow.com2016-12-05 → 2016-12-05 · 4 obs

○ 2016-04-24 09:58:10
● 2016-12-05 23:48:50
○ 2017-09-22 16:26:16
○ 2026-09-02 07:58:40

●MXtestingbackflow.com2015-05-20 → 2026-09-02 · 5 obs

● 2015-05-20 09:45:20
● 2016-04-24 09:58:10
○ 2016-12-05 23:48:50
● 2017-09-22 16:26:16
● 2026-09-02 07:58:40

○A192.185.184.352015-05-20 → 2016-04-24 · 4 obs

● 2015-05-20 09:45:20
● 2016-04-24 09:58:10
○ 2016-12-05 23:48:50
○ 2026-09-02 07:58:40

○A198.54.120.222016-12-05 → 2016-12-05 · 4 obs

○ 2016-04-24 09:58:10
● 2016-12-05 23:48:50
○ 2017-09-22 16:26:16
○ 2026-09-02 07:58:40

○A63.247.133.2312017-09-22 → 2017-09-22 · 4 obs

○ 2016-12-05 23:48:50
● 2017-09-22 16:26:16
○ 2026-08-22 02:48:44
○ 2026-09-02 07:58:40

●A66.198.240.382026-08-22 → 2026-09-02 · 3 obs

○ 2017-09-22 16:26:16
● 2026-08-22 02:48:44
● 2026-09-02 07:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
testingbackflow.com	ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com	4 records

✅ Authoritative Response

Server:75.2.118.134

NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for testingbackflow.com (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.198.240.38`
NS	4	`ns4.a2hosting.com, ns1.a2hosting.com...`
MX	1	`testingbackflow.com (pri: 0)`
TXT	1	`v=spf1 ip4:66.198.240.38 include:spf.a2h`
SOA	1	`ns1.a2hosting.com root.mi3-cl9-its4.a2ho`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)

Analysis

Mail Server Role

The MX record for testingbackflow.com points back to testingbackflow.com — it is its own mail server.

IP Addresses

testingbackflow.com directs to one IP number, which is 66.198.240.38.

Among the host names that share IP numbers with testingbackflow.com are mail.blackstonegriddle.net, mail.shark(0x6675636b)ers.com, donutsdelight.net and two others.

Name Servers

The domain testingbackflow.com is delegated to these four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

testingbackflow.com has at least partial name server overlap with other domains, such as juliasills.com, riverdog.co.uk, enjoypiedmont.com and two others.

It is common to find these name servers paired with the name servers ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com.

ns1.a2hosting.com resolves to 13.248.158.180. ns2.a2hosting.com resolves to 75.2.118.134. ns3.a2hosting.com resolves to 76.223.26.245. ns4.a2hosting.com resolves to 99.83.147.209. All four hosts carry exactly one IP address.

Mail Servers

The MX record for testingbackflow.com points to a single mail server: testingbackflow.com.

testingbackflow.com directs to just one IP number, 66.198.240.38.

testingbackflow.com - robtex.com