🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`doubleplus.tech`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3036::6815:33ae^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b735^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.174^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.53^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`augustus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c02^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c302^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`augustus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2302^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`augustus.ns.cloudflare.com`
		A	108.162.195.2^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	162.159.44.2^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	172.64.35.2^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
NS	`becky.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c049^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`becky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2049^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`becky.ns.cloudflare.com`
		A	108.162.192.73^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	172.64.32.73^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
		A	173.245.58.73^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`becky.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.174, 172.67.183.53
		IPv6 hints	2606:4700:3036::6815:33ae, 2606:4700:3036::ac43:b735
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`augustus.ns.cloudflare.com`dns@cloudflare.com serial=2415551147

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1790268243

Same first word

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSaugustus.ns.cloudflare.com2026-09-11 → 2026-09-24 · 2 obs

● 2026-09-11 10:44:38
● 2026-09-24 16:59:38

●NSbecky.ns.cloudflare.com2026-09-11 → 2026-09-24 · 2 obs

● 2026-09-11 10:44:38
● 2026-09-24 16:59:38

●MXin1-smtp.messagingengine.com2026-09-11 → 2026-09-24 · 2 obs

● 2026-09-11 10:44:38
● 2026-09-24 16:59:38

●MXin2-smtp.messagingengine.com2026-09-11 → 2026-09-24 · 2 obs

● 2026-09-11 10:44:38
● 2026-09-24 16:59:38

●A104.21.51.1742026-09-17 → 2026-09-24 · 3 obs

○ 2026-09-11 10:44:38
● 2026-09-17 10:29:24
● 2026-09-24 16:59:38

●A172.67.183.532026-09-17 → 2026-09-24 · 3 obs

○ 2026-09-11 10:44:38
● 2026-09-17 10:29:24
● 2026-09-24 16:59:38

○A188.114.96.02026-09-11 → 2026-09-11 · 3 obs

● 2026-09-11 10:44:38
○ 2026-09-17 10:29:24
○ 2026-09-24 16:59:38

○A188.114.97.02026-09-11 → 2026-09-11 · 3 obs

● 2026-09-11 10:44:38
○ 2026-09-17 10:29:24
○ 2026-09-24 16:59:38

●A2606:4700:3036::6815:33ae2026-09-17 → 2026-09-24 · 3 obs

○ 2026-09-11 10:44:38
● 2026-09-17 10:29:24
● 2026-09-24 16:59:38

●A2606:4700:3036::ac43:b7352026-09-17 → 2026-09-24 · 3 obs

○ 2026-09-11 10:44:38
● 2026-09-17 10:29:24
● 2026-09-24 16:59:38

○A2a06:98c1:3120::2026-09-11 → 2026-09-11 · 3 obs

● 2026-09-11 10:44:38
○ 2026-09-17 10:29:24
○ 2026-09-24 16:59:38

○A2a06:98c1:3121::2026-09-11 → 2026-09-11 · 3 obs

● 2026-09-11 10:44:38
○ 2026-09-17 10:29:24
○ 2026-09-24 16:59:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net	-
doubleplus.tech	becky.ns.cloudflare.com, augustus.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.73

NS records: becky.ns.cloudflare.com, augustus.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 736ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.174, 172.67.183.53`
AAAA	2	`2606:4700:3036::6815:33ae, 2606:4700:3036::ac43:b735`
NS	2	`augustus.ns.cloudflare.com, becky.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com -`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`augustus.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

doubleplus.tech has four IP addresses: 104.21.51.174, 172.67.183.53, 2606:4700:3036::6815:33ae and 2606:4700:3036::ac43:b735.

mro-us.com, foodnhotelhanoi.com, muabangogiare.com and two other host names share IP numbers with doubleplus.tech.

Name Servers

doubleplus.tech is delegated to two name servers: augustus.ns.cloudflare.com and becky.ns.cloudflare.com.

doubleplus.tech uses the same name servers as several other domains — among them 3dogs.app, feb-march-2025.pages.dev, knutsfordplumbers.co.uk and two more.

doubleplus.tech partially shares its NS delegation with several other domains, including 2763965.cc, xoryth.net, runteambusinessgroupbd.biz and two others.

These name servers regularly co-occur with the name servers laura.ns.cloudflare.com, conrad.ns.cloudflare.com and trace.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

augustus.ns.cloudflare.com resolves to 108.162.195.2, 162.159.44.2, 172.64.35.2 and 3 other IP addresses.

becky.ns.cloudflare.com resolves to 108.162.192.73, 172.64.32.73, 173.245.58.73 and 3 other IP addresses.

Mail Servers

Mail for doubleplus.tech is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

doubleplus.tech uses an identical mail server configuration to several other domains — among them vowls.game, jonathanboles.com, xenonchromatic.com and two more.

At least a portion of doubleplus.tech's mail servers are also used by other domains, for example advantageind.net.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

doubleplus.tech - robtex.com

doubleplus.tech

tech

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`doubleplus.tech`

`tech`