mac4u.tech - dns.ninja

`mac4u.tech`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:cf5^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:99f4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.245^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.244^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`betty.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`betty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`betty.ns.cloudflare.com`
		A	108.162.192.75^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	172.64.32.75^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	173.245.58.75^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=191e47e69046110b163a5ef6e48fdeab154c2b32`
TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.245, 172.67.153.244
		IPv6 hints	2606:4700:3034::6815:cf5, 2606:4700:3037::ac43:99f4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=225, name=cloudflare-ech.com
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2411732845

`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=1786604940

Same first word

mac4u.com

mac4u.de

mac4u.pro

mac4u.net

mac4u.at

mac4u.pl

mac4u.tech

Similar names

cam4u.net

4ucam.com

amc4u.net

cam4u.com

mca4u.com

cam4u.co.uk

cam4u.eu

cam4u.live

cam4u.de

cam4u.co.il

cam4u.ru

DNS History

14 records (8 active, 6 former)

●NSalbert.ns.cloudflare.com2018-05-12 → 2026-08-13 · 2 obs

● 2018-05-12 00:24:20
● 2026-08-13 07:44:56

●NSbetty.ns.cloudflare.com2018-05-12 → 2026-08-13 · 2 obs

● 2018-05-12 00:24:20
● 2026-08-13 07:44:56

●MXmail.protonmail.ch2026-03-03 → 2026-08-13 · 2 obs

● 2026-03-03 22:00:00
● 2026-08-13 07:44:56

●MXmailsec.protonmail.ch2026-03-03 → 2026-08-13 · 2 obs

● 2026-03-03 22:00:00
● 2026-08-13 07:44:56

○A104.18.56.92018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 00:24:20
○ 2026-03-03 22:00:00
○ 2026-08-13 07:44:56

○A104.18.57.92018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 00:24:20
○ 2026-03-03 22:00:00
○ 2026-08-13 07:44:56

●A104.21.12.2452026-03-03 → 2026-08-13 · 3 obs

○ 2018-05-12 00:24:20
● 2026-03-03 22:00:00
● 2026-08-13 07:44:56

●A172.67.153.2442026-03-03 → 2026-08-13 · 3 obs

○ 2018-05-12 00:24:20
● 2026-03-03 22:00:00
● 2026-08-13 07:44:56

○A2400:cb00:2048:1::6812:38092018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 00:24:20
○ 2026-03-03 22:00:00
○ 2026-08-13 07:44:56

○A2400:cb00:2048:1::6812:39092018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 00:24:20
○ 2026-03-03 22:00:00
○ 2026-08-13 07:44:56

○A2606:4700:3032::ac43:99f42026-03-03 → 2026-03-03 · 4 obs

○ 2018-05-12 00:24:20
● 2026-03-03 22:00:00
○ 2026-06-29 02:38:04
○ 2026-08-13 07:44:56

●A2606:4700:3034::6815:cf52026-06-29 → 2026-08-13 · 3 obs

○ 2026-03-03 22:00:00
● 2026-06-29 02:38:04
● 2026-08-13 07:44:56

○A2606:4700:3036::6815:cf52026-03-03 → 2026-03-03 · 4 obs

○ 2018-05-12 00:24:20
● 2026-03-03 22:00:00
○ 2026-06-29 02:38:04
○ 2026-08-13 07:44:56

●A2606:4700:3037::ac43:99f42026-06-29 → 2026-08-13 · 3 obs

○ 2026-03-03 22:00:00
● 2026-06-29 02:38:04
● 2026-08-13 07:44:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org	8 records
mac4u.tech	betty.ns.cloudflare.com, albert.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.75

NS records: betty.ns.cloudflare.com, albert.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 484ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.244, 104.21.12.245`
AAAA	2	`2606:4700:3034::6815:cf5, 2606:4700:3037::ac43:99f4`
NS	2	`albert.ns.cloudflare.com, betty.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=191e47e69046110b, v=spf1 include:_spf.protonmail.ch mx ~al`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

mac4u.tech points to the four IP addresses 104.21.12.245, 172.67.153.244, 2606:4700:3034::6815:cf5 and 2606:4700:3037::ac43:99f4.

yjs2.cc, godesignweb.net, playzonenation.us plus two other host names have IP numbers in common with mac4u.tech.

Name Servers

Two name servers handle the delegation for mac4u.tech: albert.ns.cloudflare.com and betty.ns.cloudflare.com.

The name server configuration of mac4u.tech is shared with other domains, for instance eatmotorsport.com, alacritystudios.com, sopro.tv and two others.

There is at least partial name server overlap between mac4u.tech and other domains — ucan.vn, temailo.com, mvsnoticias.com and two more among them.

These name servers tend to appear in combination with the name servers piotr.ns.cloudflare.com, lina.ns.cloudflare.com, marissa.ns.cloudflare.com and chad.ns.cloudflare.com.

Hosts with 6 IP addresses each:

albert.ns.cloudflare.com resolves to 108.162.193.58, 172.64.33.58 and 173.245.59.58 among others, with 3 other IP addresses in total.

betty.ns.cloudflare.com resolves to 108.162.192.75, 172.64.32.75 and 173.245.58.75 among others, with 3 other IP addresses in total.

Mail Servers

mac4u.tech uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of mac4u.tech matches that of other domains such as constantdeveloper.com, ianjones.id.au, stevenlyons.com and two others.

At least some of the mail servers used by mac4u.tech are shared with other domains: knoblock.us, taysnet.com, mescrocker.co.uk and two others among them.

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.